Reduce touch overhead and cap frame rate at 24 FPS

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.

.gitignore

@@ -10,3 +10,13 @@ CMakeFiles/
 *.cmake
 emulator/build/
 .DS_Store
+.cache
+/emulator/CMakeFiles/*
+/emulator/build/*
+/emulator/games/*
+/emulator/games/lua_examples/*
+/emulator/cmake_install.cmake
+/emulator/CMakeCache.txt
+/emulator/basic1_emulator
+/emulator/Makefile
+screenlog*

CMakeLists.txt

@@ -48,6 +48,7 @@ add_executable(basic1
     basic1.cpp
     lib/input_manager.cpp
     lib/game_launcher.cpp
+    lib/shared_spi_bus.c
     lib/serial_uploader.cpp
     games/tic_tac_toe.cpp
     games/demo_game.cpp

README.md

@@ -21,13 +21,13 @@ The project now uses a **clean, event-driven architecture** perfect for building
 - ⚡ **Event-Driven**: Display only updates when input is received
 - 🔋 **Power Efficient**: Uses `__wfi()` to sleep between inputs (< 1mA idle)
 - 📄 **E-ink Optimized**: Minimizes screen refreshes for e-paper displays
-- 🎯 **Interrupt-Driven**: Touch and button handling via hardware interrupts
+- 🎯 **Hybrid Input**: IRQ wake-up plus active-touch sampling for smoother drag/move handling
 - 🧩 **Modular**: Clear separation of input processing, game logic, and rendering
 
 ### Architecture Highlights
 
 ```
-Interrupt → Set Flag → Wake CPU → Process Input → Update Game → Draw → Refresh → Sleep
+IRQ/Timer → Set Flag → Wake CPU → Process Input → Update Game → Draw → Refresh → Sleep
 ```
 
 **Before (Polling Loop):**
@@ -45,8 +45,12 @@ while(1) {
 
 **After (Reactive Template):**
 ```cpp
-while(1) {
+while (1) {
-    __wfi();  // Sleep until interrupt
+    bool stay_awake = pending_refresh || touch_event_down || (last_touch_time != 0);
+    if (!stay_awake) {
+        __wfi();  // Sleep until interrupt
+        if (!has_pending_wake_source()) continue;  // Ignore unrelated wake-ups
+    }
 
     InputEvent input = process_button_input(config);
     if (!input.valid) {
@@ -534,7 +538,8 @@ The typical development workflow:
 **Interrupt not triggering:**
 - Verify `TOUCH_INT_PIN` is correctly defined
 - Check INT pin is pulled high (internal pull-up or external resistor)
-- Confirm touch controller is configured for interrupt mode
+- Confirm touch controller is configured for trigger/interrupt mode
+- Touch processing uses hybrid mode: IRQ wake-up plus active-session sampling while touch is down
 
 ### SD Card Issues
 
@@ -579,7 +584,7 @@ The code includes `printf()` statements for debugging touch, display, and SD car
 
 For battery-powered projects:
 - E-Paper displays use almost no power when idle
-- Use `__wfi()` (Wait For Interrupt) to sleep between inputs
+- Use `__wfi()` (Wait For Interrupt) to sleep between event bursts
 - Disable TFT backlight when idle
 - Lower SPI/I2C baud rates to reduce power consumption
 
@@ -607,7 +612,8 @@ For battery-powered projects:
 ### Touch Features
 - Multi-touch support (up to 2 points)
 - Coordinate transformation
-- Touch debouncing
+- Hybrid IRQ + active-session sampling
+- Touch debouncing with release hysteresis
 - Event types (press, lift, contact)
 
 ### SD Card Features

basic1.cpp

@@ -14,7 +14,7 @@
  * - Event-driven: Display only updates when input is received
  * - Power efficient: Uses __wfi() to sleep between inputs
  * - E-ink optimized: Minimizes screen refreshes
- * - Interrupt-driven: Touch and button handling via interrupts
+ * - Hybrid input handling: IRQ wake-up plus active-touch sampling
  * - Modular: Clear separation of input, game logic, and rendering
  * 
  * ARCHITECTURE:
@@ -36,7 +36,6 @@
 
 #include "pico/stdlib.h"
 #include "pico/binary_info.h"
-#include "hardware/sync.h"
 #include "pico/multicore.h"
 #include "board_config.h"  // Board-specific pin configuration
 #include "sd_card.h"
@@ -59,6 +58,8 @@ extern "C" {
 #include "monopoly_game.h"
 #include "lua_game_loader.h"
 #include "serial_uploader.h"
+#include "scene_stack.h"
+#include "shared_spi_bus.h"
 
 
 // Binary info for RP2350 - ensures proper boot image structure
@@ -75,6 +76,28 @@ volatile bool refresh_requested = false;
 volatile bool refresh_in_progress = false;
 const uint8_t* volatile refresh_buffer = nullptr;
 LowLevelDisplay* volatile refresh_display = nullptr;
+volatile uint32_t core1_heartbeat = 0;
+
+void core1_entry();
+
+static void restart_core1_refresh_worker() {
+    printf("Attempting Core1 restart...\n");
+
+    // Stop Core1 and clear in-flight refresh state.
+    multicore_reset_core1();
+    refresh_requested = false;
+    refresh_in_progress = false;
+    refresh_buffer = nullptr;
+    refresh_display = nullptr;
+    core1_heartbeat = 0;
+
+    // Recover shared SPI lock state after hard core reset.
+    shared_spi_bus_force_recover();
+
+    multicore_launch_core1(core1_entry);
+    sleep_ms(20);
+    printf("Core1 restart complete\n");
+}
 
 /**
  * @brief Core 1 entry point - handles display refresh operations
@@ -86,21 +109,31 @@ void core1_entry() {
     printf("Core 1 started - handling display refreshes\n");
     
     while (1) {
+        core1_heartbeat++;
+
         // Wait for refresh request
-        if (refresh_requested && refresh_buffer && refresh_display) {
+        if (refresh_requested) {
-            refresh_in_progress = true;
+            if (refresh_buffer && refresh_display) {
+                // refresh_in_progress is already set by Core 0 to lock the buffer
                 
-            // Get local copies for safe access
+                // Get local copies for safe access
-            LowLevelDisplay* display = refresh_display;
+                LowLevelDisplay* display = refresh_display;
-            const uint8_t* buffer = refresh_buffer;
+                const uint8_t* buffer = refresh_buffer;
                 
-            // Perform the refresh operation (may be slow for e-ink)
+                // Perform refresh with shared SPI bus lock to avoid SD/display collisions.
-            display->draw_buffer(buffer);
+                shared_spi_bus_lock();
-            display->refresh();
+                display->draw_buffer(buffer);
+                display->refresh();
+                shared_spi_bus_unlock();
+            } else {
+                // Recovery guard: never leave Core 0 stuck waiting forever if a
+                // malformed/partial request is observed across cores.
+                printf("Core1: dropped malformed refresh request\n");
+            }
 
-            // Clear flags
+            // Clear flags in all cases to avoid deadlock on Core 0.
             refresh_requested = false;
-            refresh_in_progress = false;
+            refresh_in_progress = false; // Unlock buffer for Core 0
         }
         
         // Small delay to avoid busy-waiting
@@ -124,6 +157,10 @@ bool refresh_screen_async(const uint8_t *buffer, LowLevelDisplay* display) {
         return false;
     }
     
+    // Lock the buffer immediately on Core 0 to prevent race condition
+    // Core 1 will unlock it (set to false) when done
+    refresh_in_progress = true;
+    
     // Queue refresh on Core 1
     refresh_buffer = buffer;
     refresh_display = display;
@@ -158,16 +195,17 @@ struct GameConfig {
 // ============================================================================
 
 // Display dimming settings
-#define DIM_TIMEOUT_MS (2 * 60 * 1000)   // 2 minutes to dim
+#define DEFAULT_DIM_TIMEOUT_MS (2 * 60 * 1000)    // 2 minutes to dim
-#define SLEEP_TIMEOUT_MS (10 * 60 * 1000) // 10 minutes to sleep
+#define DEFAULT_SLEEP_TIMEOUT_MS (10 * 60 * 1000) // 10 minutes to sleep
-#define DIM_CHECK_INTERVAL_MS 10000      // Check every 10 seconds
+#define DIM_CHECK_INTERVAL_MS 10000               // Check every 10 seconds
 
 // Display dimming state
 static uint32_t last_interaction_time = 0;  // Last time user interacted
 static bool is_idle_2min_triggered = false; // Flag for 2min trigger
 static bool is_idle_10min_triggered = false; // Flag for 10min trigger
 static volatile bool dim_check_flag = false;  // Flag set by timer to check dimming
-static LowLevelDisplay* global_display = nullptr;  // Global display pointer for timer callback
+static uint32_t dim_timeout_ms = DEFAULT_DIM_TIMEOUT_MS;
+static uint32_t sleep_timeout_ms = DEFAULT_SLEEP_TIMEOUT_MS;
 
 /**
  * @brief Update last interaction time and notify display driver
@@ -220,14 +258,14 @@ static inline void check_and_apply_dimming(LowLevelDisplay* display) {
     uint32_t current_time = to_ms_since_boot(get_absolute_time());
     uint32_t elapsed = current_time - last_interaction_time;
     
-    // Check for 10 minute timeout (Sleep)
+    // Check sleep timeout (if enabled)
-    if (!is_idle_10min_triggered && elapsed >= SLEEP_TIMEOUT_MS) {
+    if (sleep_timeout_ms > 0 && !is_idle_10min_triggered && elapsed >= sleep_timeout_ms) {
         display->on_idle_10min();
         is_idle_10min_triggered = true;
         is_idle_2min_triggered = true; // Implicitly triggered
     }
-    // Check for 2 minute timeout (Dim)
+    // Check dim timeout (if enabled)
-    else if (!is_idle_2min_triggered && elapsed >= DIM_TIMEOUT_MS) {
+    else if (dim_timeout_ms > 0 && !is_idle_2min_triggered && elapsed >= dim_timeout_ms) {
         display->on_idle_2min();
         is_idle_2min_triggered = true;
     }
@@ -248,6 +286,121 @@ volatile bool button_key0_pressed = false;
 volatile bool button_key1_pressed = false;
 #endif
 
+/**
+ * @brief Returns true when an application-level wake source is pending.
+ *
+ * __wfi() can wake on unrelated interrupts (e.g. USB/background IRQs). This
+ * guard prevents running full input/game logic unless one of our expected
+ * event sources actually fired.
+ */
+static inline bool has_pending_wake_source() {
+    if (touch_interrupt_flag) return true;
+    if (touch_event_down) return true;
+    if (dim_check_flag) return true;
+#ifdef BUTTON_KEY0_PIN
+    if (button_key0_pressed || button_key1_pressed) return true;
+#endif
+    return false;
+}
+
+struct SleepOption {
+    const char* label;
+    uint32_t sleep_ms;
+};
+
+static constexpr SleepOption kSleepOptions[] = {
+    {"Never", 0},
+    {"30 sec", 30 * 1000},
+    {"1 min", 60 * 1000},
+    {"2 min", 2 * 60 * 1000},
+    {"5 min", 5 * 60 * 1000},
+    {"10 min", 10 * 60 * 1000}
+};
+static constexpr int kSleepOptionCount = sizeof(kSleepOptions) / sizeof(kSleepOptions[0]);
+
+static inline void apply_sleep_option(int option_index) {
+    if (option_index < 0 || option_index >= kSleepOptionCount) {
+        return;
+    }
+
+    sleep_timeout_ms = kSleepOptions[option_index].sleep_ms;
+    if (sleep_timeout_ms == 0) {
+        dim_timeout_ms = 0;
+        return;
+    }
+
+    uint32_t candidate_dim = sleep_timeout_ms / 5;
+    if (candidate_dim < 30 * 1000) {
+        candidate_dim = 30 * 1000;
+    }
+    if (candidate_dim > 2 * 60 * 1000) {
+        candidate_dim = 2 * 60 * 1000;
+    }
+    if (candidate_dim >= sleep_timeout_ms && sleep_timeout_ms > 5000) {
+        candidate_dim = sleep_timeout_ms - 5000;
+    }
+    dim_timeout_ms = candidate_dim;
+}
+
+static inline bool in_rect(int16_t x, int16_t y, int rx, int ry, int rw, int rh) {
+    return x >= rx && x < (rx + rw) && y >= ry && y < (ry + rh);
+}
+
+static inline bool is_top_right_start(int16_t x, int16_t y, int width, int height) {
+    return x >= (width * 3 / 4) && y <= (height / 4);
+}
+
+static inline bool is_open_menu_swipe(int16_t sx, int16_t sy, int16_t ex, int16_t ey, int width, int height) {
+    if (!is_top_right_start(sx, sy, width, height)) {
+        return false;
+    }
+
+    const bool released_near_center = in_rect(ex, ey, width / 4, height / 4, width / 2, height / 2);
+    const int dx = ex - sx;
+    const int dy = ey - sy;
+    const bool moved_left_and_down = (dx <= -(width / 5)) && (dy >= (height / 10));
+
+    printf("Swipe from (%d, %d) to (%d, %d) - released_near_center=%d, moved_left_and_down=%d\n",
+           sx, sy, ex, ey, released_near_center, moved_left_and_down);
+
+    return released_near_center && moved_left_and_down;
+}
+
+static void draw_in_game_menu(LowLevelRenderer* renderer, LowLevelGUI* gui, int width, int height, const char* sleep_label) {
+    const int menu_w = width - 40;
+    const int menu_h = 190;
+    const int menu_x = 20;
+    const int menu_y = (height - menu_h) / 2;
+    const int row_h = 34;
+    const int row_x = menu_x + 16;
+    const int row_w = menu_w - 32;
+    const int row_start_y = menu_y + 48;
+
+    renderer->draw_filled_rectangle(0, 0, width, height, false, 1);
+    renderer->set_font(&font_5x5_obj);
+    renderer->set_text_color(true);
+
+    LowLevelWindow* win = gui->draw_new_window(menu_x, menu_y, menu_w, menu_h, "Game Menu");
+    gui->draw_button(win, row_x, row_start_y + (0 * row_h), "Restart Game", false, true);
+    gui->draw_button(win, row_x, row_start_y + (1 * row_h), "Back to Game Selection", false, true);
+
+    char sleep_label_text[64];
+    snprintf(sleep_label_text, sizeof(sleep_label_text), "Auto Sleep: %s", sleep_label);
+    gui->draw_button(win, row_x, row_start_y + (2 * row_h), sleep_label_text, false, true);
+}
+
+/**
+ * @brief Returns true when the currently selected game needs frame ticks.
+ */
+static inline bool game_wants_frame_updates(GameLauncher& launcher) {
+    if (!launcher.is_game_selected()) {
+        return false;
+    }
+
+    Game* game = launcher.get_selected_game();
+    return game && game->wants_frame_updates();
+}
+
 /**
  * @brief Touch interrupt callback handler
  * 
@@ -261,18 +414,17 @@ volatile bool button_key1_pressed = false;
  * @param events Event mask (GPIO_IRQ_EDGE_FALL and/or GPIO_IRQ_EDGE_RISE)
  */
 void touch_interrupt_handler(uint gpio, uint32_t events) {
-    // Set flag to indicate touch event occurred
+    (void)gpio;
-    // Main loop will handle the actual touch reading
-    touch_interrupt_flag = true;
 
-    // Track which edge triggered (down vs up)
+    // Track which edge triggered (down vs up).
+    // Keep ISR minimal: do not log/print from interrupt context.
     if (events & GPIO_IRQ_EDGE_FALL) {
         touch_event_down = true;
-        printf("INT: FALL\n");
+        touch_interrupt_flag = true;
     }
     if (events & GPIO_IRQ_EDGE_RISE) {
         touch_event_down = false;
-        printf("INT: RISE\n");
+        touch_interrupt_flag = true;
     }
 }
 
@@ -307,9 +459,6 @@ void button_interrupt_handler(uint gpio, uint32_t events) {
 const int V_WIDTH = DISPLAY_WIDTH;
 const int V_HEIGHT = DISPLAY_HEIGHT;
 
-// Touch indicator settings
-#define TOUCH_RADIUS 10
-
 uint8_t bit_buffer[V_WIDTH * V_HEIGHT / 8];
 
 /**
@@ -351,6 +500,9 @@ int main()
     printf("\n=== %s Demo ===\n", BOARD_NAME);
     printf("Starting dual-core system...\n");
 
+    // Initialize shared SPI lock before SD/display operations start.
+    shared_spi_bus_init();
+    
     // Create display abstraction using factory method
     // The factory handles all board-specific configuration internally
     LowLevelDisplay* display = LowLevelDisplay::create((DisplayType)DISPLAY_TYPE_SELECTED, V_WIDTH, V_HEIGHT);
@@ -369,11 +521,11 @@ int main()
         return -1;
     }
 
-    // Enable dirty rectangle optimization for ST7796 displays
+    // Enable dirty/partial refresh optimization for ST7796.
     if (display->get_type() == DISPLAY_TYPE_ST7796) {
         LowLevelDisplayST7796* st7796_display = static_cast<LowLevelDisplayST7796*>(display);
         st7796_display->enable_dirty_rect(true);
-        printf("Dirty rectangle optimization enabled (4 quadrants: TL/TR/BL/BR split)\n");
+        printf("Dirty rectangle optimization enabled\n");
     }
 
     // Launch Core 1 for display refresh handling
@@ -409,7 +561,7 @@ int main()
     if (touch) {
         printf("Touch initialized successfully\n");
         
-        // Set up interrupt-driven touch detection
+        // Set up touch IRQ wake-up (InputManager handles active-touch sampling)
         printf("Setting up touch interrupt callback...\n");
         touch->set_interrupt_callback(touch_interrupt_handler);
         printf("Touch interrupt enabled on INT pin (falling and rising edges)\n");
@@ -491,7 +643,7 @@ int main()
     // Draw launcher menu
     launcher.draw();
     
-    // Refresh the screen with the launcher menu (async on Core 1)
+    // Initial refresh queued on Core 1 (async for all display types in this test mode).
     refresh_screen_async(bit_buffer, display);
     printf("Initial screen refresh queued on Core 1\n");
     
@@ -531,10 +683,11 @@ int main()
     // Core 0 (this loop): Handles input and game logic - stays responsive
     // Core 1: Handles display refresh - can take 1-2 seconds for e-ink
     // 
-    // The loop sleeps until an interrupt occurs, then:
+    // The loop primarily sleeps on __wfi(), and wakes to:
     // 1. Process input (button or touch)
     // 2. Update game state based on input
     // 3. Queue refresh on Core 1 (non-blocking)
+    // While touch is active or a game needs frame ticks, the loop stays awake.
     // This keeps Core 0 responsive even during slow e-ink refreshes
     // ========================================================================
     
@@ -543,36 +696,84 @@ int main()
     
     // Initialize last interaction time to current time
     last_interaction_time = to_ms_since_boot(get_absolute_time());
-    global_display = display;
-    
     // Set up repeating alarm to periodically check dimming status
     // This wakes the CPU from __wfi() every DIM_CHECK_INTERVAL_MS
     add_alarm_in_ms(DIM_CHECK_INTERVAL_MS, dim_check_alarm_callback, nullptr, true);
 
+    int sleep_option_index = 5;  // Default: 10 min
+    apply_sleep_option(sleep_option_index);
+    
     if (display->get_type() == DISPLAY_TYPE_ST7796) {
-        printf("Power saving: Dim at %d min, Sleep at %d min\n", 
+        if (sleep_timeout_ms == 0) {
-               DIM_TIMEOUT_MS / 60000, SLEEP_TIMEOUT_MS / 60000);
+            printf("Power saving: auto sleep disabled\n");
+        } else {
+            printf("Power saving: Dim at %lus, Sleep at %lus\n",
+                   (unsigned long)(dim_timeout_ms / 1000),
+                   (unsigned long)(sleep_timeout_ms / 1000));
+        }
     } else {
-        printf("Power saving: Sleep at %d min\n", SLEEP_TIMEOUT_MS / 60000);
+        if (sleep_timeout_ms == 0) {
+            printf("Power saving: auto sleep disabled\n");
+        } else {
+            printf("Power saving: Sleep at %lus\n", (unsigned long)(sleep_timeout_ms / 1000));
+        }
     }
     printf("Dimming check timer set to %d seconds\n", DIM_CHECK_INTERVAL_MS / 1000);
     
     printf("\nEntering reactive game loop (Core 0 - input & logic)\n");
     printf("Display refreshes handled by Core 1\n");
-    printf("Frame rate limited to 30 FPS (33.3ms per frame)\n\n");
+    printf("Frame rate limited to 24 FPS (41.7ms per frame)\n\n");
 
     Game* current_game = nullptr;
     uint32_t game_start_time = 0;
 
-    // Frame rate limiting (30 FPS = 33.33ms per frame)
+    // Frame rate limiting (24 FPS = 41.67ms per frame)
-    const uint32_t TARGET_FRAME_TIME_MS = 33;  // 1000ms / 30fps ≈ 33ms
+    const uint32_t TARGET_FRAME_TIME_MS = 42;  // 1000ms / 24fps ≈ 41.7ms
     uint32_t last_frame_time = 0;
 
     bool needs_refresh = false;  // Track if screen needs redraw
+    bool dirty_rect_opt_state = (display->get_type() == DISPLAY_TYPE_ST7796);
+    SceneStack scene_stack;
+    bool force_sync_tft_refresh = false;
+    bool core1_restart_attempted = false;
+    uint32_t last_seen_core1_heartbeat = core1_heartbeat;
+    uint32_t last_core1_heartbeat_ms = to_ms_since_boot(get_absolute_time());
+    bool swipe_candidate_active = false;
+    int16_t swipe_start_x = 0;
+    int16_t swipe_start_y = 0;
+    int16_t swipe_last_x = 0;
+    int16_t swipe_last_y = 0;
 
     while (1) {
+        // Core1 liveness watchdog:
+        // If refresh work is pending/in-progress but Core1 heartbeat stops advancing,
+        // fall back to synchronous TFT refresh on Core0 to avoid frozen UI.
+        uint32_t hb_now = core1_heartbeat;
+        uint32_t now_ms = to_ms_since_boot(get_absolute_time());
+        if (hb_now != last_seen_core1_heartbeat) {
+            last_seen_core1_heartbeat = hb_now;
+            last_core1_heartbeat_ms = now_ms;
+            core1_restart_attempted = false;
+        } else if (!force_sync_tft_refresh &&
+                   (refresh_in_progress || pending_refresh || needs_refresh) &&
+                   (now_ms - last_core1_heartbeat_ms) > 500) {
+            if (!core1_restart_attempted) {
+                core1_restart_attempted = true;
+                restart_core1_refresh_worker();
+                last_seen_core1_heartbeat = core1_heartbeat;
+                last_core1_heartbeat_ms = to_ms_since_boot(get_absolute_time());
+                pending_refresh = true;
+            } else {
+                force_sync_tft_refresh = true;
+                refresh_requested = false;
+                refresh_in_progress = false;
+                pending_refresh = true;
+                printf("Core1 heartbeat stalled after restart; switching TFT refresh to synchronous fallback\n");
+            }
+        }
+
         // 0. Process serial uploads (for rapid game iteration)
-        serial_uploader.process();
+        serial_uploader.process(is_refresh_in_progress());
 
         // If serial uploader wants to launch a game, wait until it's safe (no display refresh)
         if (serial_uploader.wants_to_launch_game() && !is_refresh_in_progress()) {
@@ -582,25 +783,31 @@ int main()
                 // A new game was uploaded and launched - trigger redraw
                 needs_refresh = true;
                 current_game = launcher.get_selected_game();
+                scene_stack.clear_to_launcher();
+                scene_stack.push(SceneId::GAME);
                 // Note: game is already initialized by select_game_by_name()
             }
         }
 
         // Determine if we should sleep or stay awake for updates
         bool stay_awake = false;
+        if (needs_refresh) stay_awake = true;
         if (pending_refresh) stay_awake = true;
         if (serial_uploader.wants_to_launch_game()) stay_awake = true;  // Don't sleep while waiting to launch
+        if (touch_event_down) stay_awake = true;  // Keep sampling while finger is down
+        if (last_touch_time != 0) stay_awake = true;  // Keep sampling during active touch session
 
-        if (launcher.is_game_selected()) {
+        if (scene_stack.is(SceneId::GAME) && game_wants_frame_updates(launcher)) stay_awake = true;
-            Game* g = launcher.get_selected_game();
-            if (g && g->wants_frame_updates()) {
-                stay_awake = true;
-            }
-        }
 
         if (!stay_awake) {
             // Sleep until interrupt wakes us up (very power efficient!)
             __wfi();  // Wait For Interrupt - CPU sleeps until any interrupt occurs
+
+            // Ignore unrelated interrupts (USB/background/timer noise).
+            // Only continue loop work when one of our wake sources is pending.
+            if (!has_pending_wake_source()) {
+                continue;
+            }
         }
 
         InputEvent input = {INPUT_NONE, 0, 0, 0, 0, 0, false};
@@ -630,68 +837,151 @@ int main()
                        input.button_id, input.pressure);
             }
 
-            if (launcher.is_game_selected()) {
+            SceneId scene = scene_stack.current();
-                // In game mode - process game input
-                current_game = launcher.get_selected_game();
-                needs_refresh = current_game->update(input);
 
-                // Check if game wants to exit
+            if (scene == SceneId::LAUNCHER) {
-                if (current_game->wants_to_exit()) {
+                swipe_candidate_active = false;
-                    printf("Game requested exit - returning to launcher\n");
+
-                    launcher.reset();
+                // Wait for any active display refresh to finish before potentially loading a game (SD Card I/O)
-                    needs_refresh = true;
+                // This prevents SPI bus conflicts between Core 0 (SD Card) and Core 1 (Display)
-                    // Force full clear for clean transition
+                while (is_refresh_in_progress()) {
-                    display->clear(false);
+                     sleep_us(100);
-                    if (display->get_type() == DISPLAY_TYPE_EPAPER) {
-                        LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
-                        epaper->full_refresh();
-                    }
                 }
 
-                // Check if player wants to exit (hold for 2+ seconds or special gesture)
-                // For now, we'll add a simple long-press detection
-                if (input.type == INPUT_TOUCH_DOWN) {
-                    // Record start time on first touch
-                    if (game_start_time == 0) {
-                        game_start_time = to_ms_since_boot(get_absolute_time());
-                    }
-                } else if (input.type == INPUT_TOUCH_UP) {
-                    uint32_t now = to_ms_since_boot(get_absolute_time());
-                    if (game_start_time > 0 && (now - game_start_time) > 10000) {
-                        // Long press detected - return to menu
-                        printf("Long press detected - returning to launcher\n");
-                        launcher.reset();
-                        needs_refresh = true;
-                        // Force full clear for clean transition
-                        display->clear(false);
-                        if (display->get_type() == DISPLAY_TYPE_EPAPER) {
-                            LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
-                            epaper->full_refresh();
-                        }
-                    }
-                    game_start_time = 0;
-                }
-            } else {
-                // In launcher mode - process menu input
                 bool game_selected = launcher.update(input);
                 if (game_selected) {
                     printf("Game launched successfully\n");
                     game_start_time = 0;
-                    // Force full clear for clean transition to game
+                    scene_stack.push(SceneId::GAME);
-                    display->clear(false);
-                    // if (display->get_type() == DISPLAY_TYPE_EPAPER) {
-                    //     LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
-                    //     epaper->full_refresh();
-                    // }
                 }
                 needs_refresh = true;
+            } else if (scene == SceneId::GAME) {
+                current_game = launcher.get_selected_game();
+                if (!current_game) {
+                    scene_stack.clear_to_launcher();
+                    needs_refresh = true;
+                } else {
+                    bool consumed_by_scene = false;
+
+                    // Swipe gesture candidate for opening menu (evaluated on touch release).
+                    if (input.type == INPUT_TOUCH_DOWN &&
+                        is_top_right_start(input.x, input.y, V_WIDTH, V_HEIGHT)) {
+                        swipe_candidate_active = true;
+                        swipe_start_x = input.x;
+                        swipe_start_y = input.y;
+                        swipe_last_x = input.x;
+                        swipe_last_y = input.y;
+                        consumed_by_scene = true;
+                    }
+
+                    if (swipe_candidate_active && (input.type == INPUT_TOUCH_MOVE || input.type == INPUT_TOUCH_UP)) {
+                        consumed_by_scene = true;
+                        if (input.type == INPUT_TOUCH_MOVE) {
+                            swipe_last_x = input.x;
+                            swipe_last_y = input.y;
+                        }
+                        if (input.type == INPUT_TOUCH_UP) {
+                            if (is_open_menu_swipe(swipe_start_x, swipe_start_y, swipe_last_x, swipe_last_y, V_WIDTH, V_HEIGHT)) {
+                                scene_stack.push(SceneId::IN_GAME_MENU);
+                                needs_refresh = true;
+                                printf("Opened in-game menu\n");
+                            }
+                            swipe_candidate_active = false;
+                        }
+                    }
+
+                    if (!consumed_by_scene) {
+                        needs_refresh = current_game->update(input) || needs_refresh;
+
+                        if (current_game->wants_to_exit()) {
+                            printf("Game requested exit - returning to launcher\n");
+                            swipe_candidate_active = false;
+                            launcher.reset();
+                            scene_stack.clear_to_launcher();
+                            needs_refresh = true;
+                            if (display->get_type() == DISPLAY_TYPE_EPAPER) {
+                                LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
+                                epaper->full_refresh();
+                            }
+                        }
+
+                        if (input.type == INPUT_TOUCH_DOWN) {
+                            if (game_start_time == 0) {
+                                game_start_time = to_ms_since_boot(get_absolute_time());
+                            }
+                        } else if (input.type == INPUT_TOUCH_UP) {
+                            uint32_t now = to_ms_since_boot(get_absolute_time());
+                            if (game_start_time > 0 && (now - game_start_time) > 10000) {
+                                printf("Long press detected - returning to launcher\n");
+                                swipe_candidate_active = false;
+                                launcher.reset();
+                                scene_stack.clear_to_launcher();
+                                needs_refresh = true;
+                                if (display->get_type() == DISPLAY_TYPE_EPAPER) {
+                                    LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
+                                    epaper->full_refresh();
+                                }
+                            }
+                            game_start_time = 0;
+                        }
+                    }
+                }
+            } else if (scene == SceneId::IN_GAME_MENU) {
+                current_game = launcher.get_selected_game();
+                if (!current_game) {
+                    launcher.return_to_menu();
+                    scene_stack.clear_to_launcher();
+                    needs_refresh = true;
+                } else {
+                    const int menu_w = V_WIDTH - 40;
+                    const int menu_h = 190;
+                    const int menu_x = 20;
+                    const int menu_y = (V_HEIGHT - menu_h) / 2;
+                    const int row_h = 34;
+                    const int row_x = menu_x + 16;
+                    const int row_w = menu_w - 32;
+                    const int row_start_y = menu_y + 48;
+
+                    // Menu tap handling on TOUCH_DOWN because TOUCH_UP coordinates can be unreliable (often 0,0).
+                    if (input.type == INPUT_TOUCH_DOWN) {
+                        if (in_rect(input.x, input.y, row_x, row_start_y + (0 * row_h), row_w, row_h)) {
+                            if (launcher.restart_selected_game()) {
+                                scene_stack.pop(); // Back to GAME
+                                needs_refresh = true;
+                                printf("Restarted current game from global menu\n");
+                            }
+                        } else if (in_rect(input.x, input.y, row_x, row_start_y + (1 * row_h), row_w, row_h)) {
+                            swipe_candidate_active = false;
+                            launcher.return_to_menu();
+                            scene_stack.clear_to_launcher();
+                            needs_refresh = true;
+                            printf("Returned to game launcher from global menu\n");
+                            if (display->get_type() == DISPLAY_TYPE_EPAPER) {
+                                LowLevelDisplayEPaper* epaper = static_cast<LowLevelDisplayEPaper*>(display);
+                                epaper->full_refresh();
+                            }
+                        } else if (in_rect(input.x, input.y, row_x, row_start_y + (2 * row_h), row_w, row_h)) {
+                            sleep_option_index = (sleep_option_index + 1) % kSleepOptionCount;
+                            apply_sleep_option(sleep_option_index);
+                            needs_refresh = true;
+                            if (sleep_timeout_ms == 0) {
+                                printf("Auto sleep disabled\n");
+                            } else {
+                                printf("Auto sleep set to %s\n", kSleepOptions[sleep_option_index].label);
+                            }
+                        } else if (!in_rect(input.x, input.y, menu_x, menu_y, menu_w, menu_h)) {
+                            scene_stack.pop(); // Close menu, resume game scene
+                            needs_refresh = true;
+                        }
+                    }
+                }
             }
         } 
         
-        if (launcher.is_game_selected()) {
+        if (scene_stack.is(SceneId::GAME) && game_wants_frame_updates(launcher)) {
             // No input, but check if game wants continuous updates
             current_game = launcher.get_selected_game();
-            if (current_game->wants_frame_updates()) {
+            if (current_game) {
                 // Only send frame tick if we're ready to draw the next frame
                 if (!is_refresh_in_progress()) {
                     InputEvent frame_tick = {INPUT_FRAME_TICK, 0, 0, 0, 0, 0, true};
@@ -700,7 +990,7 @@ int main()
             }
         }
         
-        // 4. Redraw and queue async refresh on Core 1 (with 30 FPS limiting)
+        // 4. Redraw and queue async refresh on Core 1 (with 24 FPS limiting)
         if (needs_refresh || pending_refresh) {
             // Check frame rate limiting
             uint32_t current_time = to_ms_since_boot(get_absolute_time());
@@ -710,20 +1000,58 @@ int main()
             if (time_since_last_frame >= TARGET_FRAME_TIME_MS) {
                 // Only draw if Core 1 is finished with the buffer
                 if (!is_refresh_in_progress()) {
-                    // Clear buffer and redraw entire UI with updated state
+                    // Keep dirty rectangle optimization enabled for TFT.
-                    memset(bit_buffer, 0, V_WIDTH * V_HEIGHT / 8);
+                    if (display->get_type() == DISPLAY_TYPE_ST7796) {
+                        bool wants_opt = true;
 
-                    if (launcher.is_game_selected()) {
+                        if (dirty_rect_opt_state != wants_opt) {
-                        current_game = launcher.get_selected_game();
+                            LowLevelDisplayST7796* st7796_display = static_cast<LowLevelDisplayST7796*>(display);
-                        current_game->draw();
+                            st7796_display->enable_dirty_rect(wants_opt);
-                    } else {
+                            dirty_rect_opt_state = wants_opt;
-                        launcher.draw();
+                        }
                     }
 
-                    // Request async refresh (non-blocking - handled by Core 1)
+                    // Clear buffer and redraw entire UI with updated state
-                    bool refresh_started = refresh_screen_async(bit_buffer, display);
+                    memset(bit_buffer, 0, V_WIDTH * V_HEIGHT / 8);
+                    // Reset renderer state so one scene/game cannot leak clip/text/font settings
+                    // into subsequent scenes (e.g. Lua games using clip rects).
+                    renderer.reset_clip_rect();
+                    renderer.set_text_color(true);
+                    renderer.set_font(&font_homespun_obj);
+
+                    if (scene_stack.is(SceneId::LAUNCHER)) {
+                        launcher.draw();
+                    } else if (scene_stack.is(SceneId::GAME)) {
+                        current_game = launcher.get_selected_game();
+                        if (current_game) {
+                            current_game->draw();
+                        } else {
+                            launcher.draw();
+                            scene_stack.clear_to_launcher();
+                        }
+                    } else if (scene_stack.is(SceneId::IN_GAME_MENU)) {
+                        current_game = launcher.get_selected_game();
+                        if (current_game) {
+                            current_game->draw();
+                            draw_in_game_menu(&renderer, &gui, V_WIDTH, V_HEIGHT, kSleepOptions[sleep_option_index].label);
+                        } else {
+                            launcher.draw();
+                            scene_stack.clear_to_launcher();
+                        }
+                    }
+
+                    bool refresh_started = false;
+                    if (force_sync_tft_refresh &&
+                        (display->get_type() == DISPLAY_TYPE_ST7796 || display->get_type() == DISPLAY_TYPE_ST7789)) {
+                        refresh_screen(bit_buffer, display);
+                        refresh_started = true;
+                    } else {
+                        // Async refresh test path.
+                        refresh_started = refresh_screen_async(bit_buffer, display);
+                    }
 
                     if (refresh_started) {
+                        needs_refresh = false;
                         pending_refresh = false;  // Refresh queued successfully
                         last_frame_time = current_time;  // Update frame time
                     } else {

display/low_level_gui.cpp

@@ -1,361 +1,402 @@
-#include "low_level_render.h"
 #include "low_level_gui.h"
+#include "low_level_render.h"
 #include <cstring>
 #include <ctime>
 
-LowLevelWindow* validate_or_create_window(LowLevelWindow* window, LowLevelRenderer* renderer) {
+LowLevelWindow *validate_or_create_window(LowLevelWindow *window,
-    if (window == nullptr) {
+                                          LowLevelRenderer *renderer) {
-        return new LowLevelWindow(0, 0, renderer->get_width(), renderer->get_height(), "Default Window");
+  if (window == nullptr) {
-    }
+    return new LowLevelWindow(0, 0, renderer->get_width(),
-    return window;
+                              renderer->get_height(), "Default Window");
+  }
+  return window;
 }
 
-LowLevelGUI::LowLevelGUI(LowLevelRenderer *rend, const Font& font) : renderer(rend), current_font(&font) {}
+LowLevelGUI::LowLevelGUI(LowLevelRenderer *rend, const Font &font)
+    : renderer(rend), current_font(&font) {}
 
-LowLevelWindow* LowLevelGUI::draw_new_window(int x, int y, int width, int height, const char *title)
+LowLevelWindow *LowLevelGUI::draw_new_window(int x, int y, int width,
-{
+                                             int height, const char *title) {
-    LowLevelWindow* w = new LowLevelWindow(x, y, width, height, title);
+  LowLevelWindow *w = new LowLevelWindow(x, y, width, height, title);
-    draw_window(w);
+  draw_window(w);
-    return w;
+  return w;
 }
 
-void LowLevelGUI::draw_window(LowLevelWindow* window){
+void LowLevelGUI::draw_window(LowLevelWindow *window) {
-    // Draw window border
+  // Draw window border
 
-    if (use_rounded_corners)
+  if (use_rounded_corners) {
-    {
+    // shadow
-        //shadow
+    renderer->draw_rounded_rectangle(window->x + 3, window->y + 3,
-        renderer->draw_rounded_rectangle(window->x+3, window->y+3, window->width, window->height, 10, true, true);
+                                     window->width, window->height, 10, true,
-        renderer->draw_rounded_rectangle(window->x-2, window->y-2, window->width+2, window->height+2, 10, false, true);
+                                     true);
-        renderer->draw_rounded_rectangle(window->x, window->y, window->width, window->height, 10, true);
+    renderer->draw_rounded_rectangle(window->x - 2, window->y - 2,
-    }
+                                     window->width + 2, window->height + 2, 10,
-    else
+                                     false, true);
-    {
+    renderer->draw_rounded_rectangle(window->x, window->y, window->width,
-        renderer->draw_filled_rectangle(window->x + 3, window->y + 3, window->width + 2, window->height + 2, true, 2);
+                                     window->height, 10, true);
-        renderer->draw_filled_rectangle(window->x - 2, window->y - 2, window->width + 2, window->height + 2, false, 2);
+  } else {
-        renderer->draw_rectangle(window->x, window->y, window->width, window->height, true, 2);
+    renderer->draw_filled_rectangle(window->x + 3, window->y + 3,
-    }
+                                    window->width + 2, window->height + 2, true,
+                                    2);
+    renderer->draw_filled_rectangle(window->x - 2, window->y - 2,
+                                    window->width + 2, window->height + 2,
+                                    false, 2);
+    renderer->draw_rectangle(window->x, window->y, window->width,
+                             window->height, true, 2);
+  }
 
-    renderer->draw_line(window->x, window->y + 20, window->x + window->width - 1, window->y + 20, true, 1);
+  renderer->draw_line(window->x, window->y + 20, window->x + window->width - 1,
-    // draw closing 'X' button
+                      window->y + 20, true, 1);
-    int close_size = 12;
+  // draw closing 'X' button
-    int close_x = window->x + window->width - close_size - 4;
+  int close_size = 12;
-    int close_y = window->y + 4;
+  int close_x = window->x + window->width - close_size - 4;
-    //renderer->draw_rectangle(close_x, close_y, close_size, close_size, true, 1);
+  int close_y = window->y + 4;
-    renderer->draw_line(close_x + 3, close_y + 3, close_x + close_size - 4, close_y + close_size - 4, true, 1);
+  // renderer->draw_rectangle(close_x, close_y, close_size, close_size, true,
-    renderer->draw_line(close_x + close_size - 4, close_y + 3, close_x + 3, close_y + close_size - 4, true, 1);
+  // 1);
+  renderer->draw_line(close_x + 3, close_y + 3, close_x + close_size - 4,
+                      close_y + close_size - 4, true, 1);
+  renderer->draw_line(close_x + close_size - 4, close_y + 3, close_x + 3,
+                      close_y + close_size - 4, true, 1);
 
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
-    renderer->draw_string_scaled(window->x + 10, window->y + 3, window->title, 2);
+  renderer->draw_string_scaled(window->x + 10, window->y + 3, window->title, 2);
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_button(LowLevelWindow* window, int x, int y, const char *label, bool pressed, bool rounded)
+void LowLevelGUI::draw_button(LowLevelWindow *window, int x, int y,
-{
+                              const char *label, bool pressed, bool rounded) {
-    window = validate_or_create_window(window, renderer);
+  window = validate_or_create_window(window, renderer);
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    bool original_text_color = renderer->get_current_text_color();
+  bool original_text_color = renderer->get_current_text_color();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
-    int text_x = window->x + x + 5;
+  int text_x = window->x + x + 5;
-    int text_y = window->y + y + 5;
+  int text_y = window->y + y + 5;
-    int height = renderer->get_current_font()->get_char_height() * 2 + 10;
+  int height = renderer->get_current_font()->get_char_height() * 2 + 10;
-    int width = int(renderer->draw_string_scaled(text_x, text_y, label, 2) * 1) + 30;
+  int width = renderer->get_string_width_scaled(label, 2) + 30;
 
-    if (pressed)
+  if (pressed) {
-    {
+    renderer->draw_rounded_rectangle(window->x + x - 1, window->y + y - 1,
-        renderer->draw_rounded_rectangle(window->x + x - 1, window->y + y -1, width + 2, height+ 2, rounded ? 5 : 0, false, true);
+                                     width + 2, height + 2, rounded ? 5 : 0,
-        renderer->draw_rounded_rectangle(window->x + x, window->y + y, width, height, rounded ? 5 : 0, true, true);
+                                     false, true);
-        renderer->draw_rounded_rectangle(window->x + x + 2, window->y + y + 2, width - 4, height - 4, rounded ? 5 : 0, false, false);
+    renderer->draw_rounded_rectangle(window->x + x, window->y + y, width,
-    }
+                                     height, rounded ? 5 : 0, true, true);
-    else
+    renderer->draw_rounded_rectangle(window->x + x + 2, window->y + y + 2,
-    {
+                                     width - 4, height - 4, rounded ? 5 : 0,
-        renderer->draw_rounded_rectangle(window->x + x - 1, window->y + y -1, width + 2, height+ 2, rounded ? 5 : 0, false, true);
+                                     false, false);
-        renderer->draw_rounded_rectangle(window->x + x, window->y + y, width, height, rounded ? 5 : 0, false, true);
+  } else {
-        renderer->draw_rounded_rectangle(window->x + x + 2, window->y + y + 2, width - 4, height - 4, rounded ? 5 : 0, true, false);
+    renderer->draw_rounded_rectangle(window->x + x - 1, window->y + y - 1,
-    }
+                                     width + 2, height + 2, rounded ? 5 : 0,
+                                     false, true);
+    renderer->draw_rounded_rectangle(window->x + x, window->y + y, width,
+                                     height, rounded ? 5 : 0, false, true);
+    renderer->draw_rounded_rectangle(window->x + x + 2, window->y + y + 2,
+                                     width - 4, height - 4, rounded ? 5 : 0,
+                                     true, false);
+  }
 
-    renderer->set_text_color(!pressed);
+  renderer->set_text_color(!pressed);
-    renderer->draw_string_scaled(text_x, text_y, label, 2);
+  renderer->draw_string_scaled(text_x, text_y, label, 2);
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
-    renderer->set_text_color(original_text_color);
+  renderer->set_text_color(original_text_color);
 }
 
-void LowLevelGUI::draw_checkbox(LowLevelWindow* window, int x, int y, const char *label, bool checked) {
+void LowLevelGUI::draw_checkbox(LowLevelWindow *window, int x, int y,
-    window = validate_or_create_window(window, renderer);
+                                const char *label, bool checked) {
-    const Font* original_font = renderer->get_current_font();
+  window = validate_or_create_window(window, renderer);
-    renderer->set_font(current_font);
+  const Font *original_font = renderer->get_current_font();
-    int box_size = renderer->get_current_font()->get_char_height() * 2 ;
+  renderer->set_font(current_font);
-    int box_x = window->x + x;
+  int box_size = renderer->get_current_font()->get_char_height() * 2;
-    int box_y = window->y + y;
+  int box_x = window->x + x;
-    // Draw checkbox square
+  int box_y = window->y + y;
-    renderer->draw_rectangle(box_x, box_y, box_size, box_size, true, 1);
+  // Draw checkbox square
-    if (checked)
+  renderer->draw_rectangle(box_x, box_y, box_size, box_size, true, 1);
-    {
+  if (checked) {
-        // Draw check mark
+    // Draw check mark
-        renderer->draw_line(box_x + 2, box_y + box_size / 2, box_x + box_size / 2, box_y + box_size - 3, true, 1);
+    renderer->draw_line(box_x + 2, box_y + box_size / 2, box_x + box_size / 2,
-        renderer->draw_line(box_x + box_size / 2, box_y + box_size - 3, box_x + box_size - 2, box_y + 2, true, 1);
+                        box_y + box_size - 3, true, 1);
-    }
+    renderer->draw_line(box_x + box_size / 2, box_y + box_size - 3,
-    // Draw label
+                        box_x + box_size - 2, box_y + 2, true, 1);
-    renderer->set_text_color(true);
+  }
-    renderer->draw_string_scaled(box_x + box_size + 5, box_y - 1, label, 2);    
+  // Draw label
-    renderer->set_font(original_font);
+  renderer->set_text_color(true);
+  renderer->draw_string_scaled(box_x + box_size + 5, box_y - 1, label, 2);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_radio_button(LowLevelWindow* window, int x, int y, const char *label, bool selected) {
+void LowLevelGUI::draw_radio_button(LowLevelWindow *window, int x, int y,
-    window = validate_or_create_window(window, renderer);
+                                    const char *label, bool selected) {
-    const Font* original_font = renderer->get_current_font();
+  window = validate_or_create_window(window, renderer);
-    renderer->set_font(current_font);
+  const Font *original_font = renderer->get_current_font();
-    int radius = renderer->get_current_font()->get_char_height(); 
+  renderer->set_font(current_font);
-    int center_x = window->x + x + radius;
+  int radius = renderer->get_current_font()->get_char_height();
-    int center_y = window->y + y + radius;
+  int center_x = window->x + x + radius;
-    // Draw outer circle
+  int center_y = window->y + y + radius;
-    renderer->draw_circle(center_x, center_y, radius, true);
+  // Draw outer circle
-    if (selected)
+  renderer->draw_circle(center_x, center_y, radius, true);
-    {
+  if (selected) {
-        // Draw inner filled circle
+    // Draw inner filled circle
-        renderer->draw_filled_circle(center_x, center_y, radius - 4, true);
+    renderer->draw_filled_circle(center_x, center_y, radius - 4, true);
-    }
+  }
-    // Draw label
+  // Draw label
-    renderer->set_text_color(true);
+  renderer->set_text_color(true);
-    renderer->draw_string_scaled(center_x + radius + 5, center_y - radius / 2, label, 2);    
+  renderer->draw_string_scaled(center_x + radius + 5, center_y - radius / 2,
-    renderer->set_font(original_font);
+                               label, 2);
-
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_slider(LowLevelWindow* window, int x, int y, int width, int height, int position, char* label) {
+void LowLevelGUI::draw_slider(LowLevelWindow *window, int x, int y, int width,
-    window = validate_or_create_window(window, renderer);
+                              int height, int position, char *label) {
-    int slider_x = window->x + x;
+  window = validate_or_create_window(window, renderer);
-    int slider_y = window->y + y + (label != nullptr ? 20 : 0); 
+  int slider_x = window->x + x;
-    position = std::max(0, std::min(100, position));
+  int slider_y = window->y + y + (label != nullptr ? 20 : 0);
-    // Draw slider track
+  position = std::max(0, std::min(100, position));
-    renderer->draw_filled_rectangle(slider_x, slider_y + height / 2 - 2, width, 4, true, 1);
+  // Draw slider track
-    // Draw slider handle, considering position to be within [0, 100]
+  renderer->draw_filled_rectangle(slider_x, slider_y + height / 2 - 2, width, 4,
-    int handle_x = slider_x + (position * width / 100);
+                                  true, 1);
-    renderer->draw_filled_rectangle(handle_x - 5, slider_y, 10, height, true, 1);
+  // Draw slider handle, considering position to be within [0, 100]
-    renderer->draw_rectangle(handle_x - 6, slider_y - 1, 12, height + 2, true, 1);
+  int handle_x = slider_x + (position * width / 100);
-
+  renderer->draw_filled_rectangle(handle_x - 5, slider_y, 10, height, true, 1);
-    
+  renderer->draw_rectangle(handle_x - 6, slider_y - 1, 12, height + 2, true, 1);
-    const Font* original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
-    // draw current position value label on top of the slider
-    char pos_label[10];
-    snprintf(pos_label, sizeof(pos_label), "%d", position);
-    renderer->draw_string_scaled(slider_x + width + 10, slider_y + (height / 2) - 5, pos_label, 1);
-    // Draw label if provided
-    if (label != nullptr) {
-        renderer->draw_string_scaled(slider_x, window->y + y, label, 2);
-    }
-
-    renderer->set_font(original_font);
-
 
+  const Font *original_font = renderer->get_current_font();
+  renderer->set_font(current_font);
+  // draw current position value label on top of the slider
+  char pos_label[10];
+  snprintf(pos_label, sizeof(pos_label), "%d", position);
+  renderer->draw_string_scaled(slider_x + width + 10,
+                               slider_y + (height / 2) - 5, pos_label, 1);
+  // Draw label if provided
+  if (label != nullptr) {
+    renderer->draw_string_scaled(slider_x, window->y + y, label, 2);
+  }
 
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_calendar(LowLevelWindow* window, int x, int y, int month, int year) {
+void LowLevelGUI::draw_calendar(LowLevelWindow *window, int x, int y, int month,
-    window = validate_or_create_window(window, renderer);
+                                int year) {
-    const Font* original_font = renderer->get_current_font();
+  window = validate_or_create_window(window, renderer);
-    renderer->set_font(current_font);
+  const Font *original_font = renderer->get_current_font();
+  renderer->set_font(current_font);
 
-    // 1. Draw Month and Year Header
+  // 1. Draw Month and Year Header
-    char title[32];
+  char title[32];
-    const char* month_names[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
+  const char *month_names[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
-    snprintf(title, sizeof(title), "%s %04d", month_names[month - 1], year);
+                               "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-    renderer->draw_string_scaled(window->x + x, window->y + y, title, 1);
+  snprintf(title, sizeof(title), "%s %04d", month_names[month - 1], year);
+  renderer->draw_string_scaled(window->x + x, window->y + y, title, 1);
 
-    // 2. Draw Days of the Week labels
+  // 2. Draw Days of the Week labels
-    const char* days[] = {"Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"};
+  const char *days[] = {"Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"};
-    for (int i = 0; i < 7; i++) {
+  for (int i = 0; i < 7; i++) {
-        renderer->draw_string_scaled(window->x + x + (i * 20), window->y + y + 15, days[i], 1);
+    renderer->draw_string_scaled(window->x + x + (i * 20), window->y + y + 15,
-    }
+                                 days[i], 1);
+  }
 
-    // 3. Calculate Month Metadata
+  // 3. Calculate Month Metadata
-    // Get starting day of the week (0 = Sunday) using a simplified formula
+  // Get starting day of the week (0 = Sunday) using a simplified formula
-    struct tm first_day = {0};
+  struct tm first_day = {0};
-    first_day.tm_mday = 1;
+  first_day.tm_mday = 1;
-    first_day.tm_mon = month - 1;
+  first_day.tm_mon = month - 1;
-    first_day.tm_year = year - 1900;
+  first_day.tm_year = year - 1900;
-    mktime(&first_day);
+  mktime(&first_day);
-    int start_col = first_day.tm_wday;
+  int start_col = first_day.tm_wday;
 
-    // Get number of days in the month
+  // Get number of days in the month
-    int days_in_month[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+  int days_in_month[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-    if (month == 2 && ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))) {
+  if (month == 2 && ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))) {
-        days_in_month[1] = 29;
+    days_in_month[1] = 29;
-    }
+  }
-    int total_days = days_in_month[month - 1];
+  int total_days = days_in_month[month - 1];
 
-    // 4. Draw the Days Grid
+  // 4. Draw the Days Grid
-    for (int day = 1; day <= total_days; day++) {
+  for (int day = 1; day <= total_days; day++) {
-        int index = start_col + day - 1;
+    int index = start_col + day - 1;
-        int col = index % 7;
+    int col = index % 7;
-        int row = index / 7;
+    int row = index / 7;
 
-        int cell_x = window->x + x + (col * 20);
+    int cell_x = window->x + x + (col * 20);
-        int cell_y = window->y + y + 30 + (row * 20);
+    int cell_y = window->y + y + 30 + (row * 20);
 
-        // Draw cell border/background
+    // Draw cell border/background
-        renderer->draw_rectangle(cell_x, cell_y, 20, 20, false, 1);
+    renderer->draw_rectangle(cell_x, cell_y, 20, 20, false, 1);
 
-        // Draw day number
+    // Draw day number
-        char day_str[3];
+    char day_str[3];
-        snprintf(day_str, sizeof(day_str), "%d", day);
+    snprintf(day_str, sizeof(day_str), "%d", day);
 
-        // Center the text slightly within the 20x20 cell
+    // Center the text slightly within the 20x20 cell
-        int offset_x = (day < 10) ? 7 : 2; 
+    int offset_x = (day < 10) ? 7 : 2;
-        renderer->draw_string_scaled(cell_x + offset_x, cell_y + 5, day_str, 1);
+    renderer->draw_string_scaled(cell_x + offset_x, cell_y + 5, day_str, 1);
-    }
+  }
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_textbox(LowLevelWindow* window, int x, int y, int width, int height, const char* content, bool focused) {
+void LowLevelGUI::draw_textbox(LowLevelWindow *window, int x, int y, int width,
-    window = validate_or_create_window(window, renderer);
+                               int height, const char *content, bool focused) {
-    // Draw textbox border
+  window = validate_or_create_window(window, renderer);
-    int box_x = window->x + x;
+  // Draw textbox border
-    int box_y = window->y + y;
+  int box_x = window->x + x;
-    if(focused) {
+  int box_y = window->y + y;
-        renderer->draw_filled_rectangle(box_x, box_y, width, height, true, 1);
+  if (focused) {
-        renderer->draw_rectangle(box_x - 1, box_y - 1, width + 2, height + 2, false, 1);
+    renderer->draw_filled_rectangle(box_x, box_y, width, height, true, 1);
-    } else {
+    renderer->draw_rectangle(box_x - 1, box_y - 1, width + 2, height + 2, false,
-        renderer->draw_filled_rectangle(box_x, box_y, width, height, false, 1);
+                             1);
-        renderer->draw_rectangle(box_x - 1, box_y - 1, width + 2, height + 2, true, 1);
+  } else {
-    }
+    renderer->draw_filled_rectangle(box_x, box_y, width, height, false, 1);
+    renderer->draw_rectangle(box_x - 1, box_y - 1, width + 2, height + 2, true,
+                             1);
+  }
 
-    // Draw content text inside the textbox
+  // Draw content text inside the textbox
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
-    renderer->set_text_color(true);
+  renderer->set_text_color(true);
 
-    int text_x = box_x + 5;
+  int text_x = box_x + 5;
-    int text_y = box_y + 5;
+  int text_y = box_y + 5;
-    renderer->draw_string_scaled(text_x, text_y, content, 1);
+  renderer->draw_string_scaled(text_x, text_y, content, 1);
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_tab(LowLevelWindow* window, int x, int y, int width, int height, const char* label, bool selected) {
+void LowLevelGUI::draw_tab(LowLevelWindow *window, int x, int y, int width,
-    window = validate_or_create_window(window, renderer);
+                           int height, const char *label, bool selected) {
-    int tab_x = window->x + x;
+  window = validate_or_create_window(window, renderer);
-    int tab_y = window->y + y;
+  int tab_x = window->x + x;
-    if (selected) {
+  int tab_y = window->y + y;
-        renderer->draw_filled_rectangle(tab_x, tab_y, width, height, true, 1);
+  if (selected) {
-        renderer->draw_rectangle(tab_x - 1, tab_y - 1, width + 2, height + 2, false, 1);
+    renderer->draw_filled_rectangle(tab_x, tab_y, width, height, true, 1);
-    } else {
+    renderer->draw_rectangle(tab_x - 1, tab_y - 1, width + 2, height + 2, false,
-        renderer->draw_filled_rectangle(tab_x, tab_y, width, height, false, 1);
+                             1);
-        renderer->draw_rectangle(tab_x - 1, tab_y - 1, width + 2, height + 2, true, 1);
+  } else {
-    }
+    renderer->draw_filled_rectangle(tab_x, tab_y, width, height, false, 1);
+    renderer->draw_rectangle(tab_x - 1, tab_y - 1, width + 2, height + 2, true,
+                             1);
+  }
 
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
-    renderer->set_text_color(true);
+  renderer->set_text_color(true);
 
-    // Center the label within the tab
+  // Center the label within the tab
-    int text_width = int(renderer->draw_string_scaled(0, 0, label, 1) * 0.75);
+  int text_width = renderer->get_string_width_scaled(label, 1);
-    int text_x = tab_x + (width - text_width) / 2;
+  int text_x = tab_x + (width - text_width) / 2;
-    int text_y = tab_y + (height - renderer->get_current_font()->get_char_height()) / 2;
+  int text_y =
-    renderer->draw_string_scaled(text_x, text_y, label, 1);
+      tab_y + (height - renderer->get_current_font()->get_char_height()) / 2;
+  renderer->draw_string_scaled(text_x, text_y, label, 1);
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_status_bar(LowLevelWindow* window, int x, int y, int width, const char* label, const char* sublabel, int percentage, const char* value_text) {
+void LowLevelGUI::draw_status_bar(LowLevelWindow *window, int x, int y,
-    window = validate_or_create_window(window, renderer);
+                                  int width, const char *label,
-    int base_x = window->x + x;
+                                  const char *sublabel, int percentage,
-    int base_y = window->y + y;
+                                  const char *value_text) {
+  window = validate_or_create_window(window, renderer);
+  int base_x = window->x + x;
+  int base_y = window->y + y;
 
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
 
-    // Draw Main Label (e.g., "PANELS")
+  // Draw Main Label (e.g., "PANELS")
-    renderer->draw_string_scaled(base_x, base_y, label, 2);
+  renderer->draw_string_scaled(base_x, base_y, label, 2);
-    // Draw Sublabel and Value (e.g., "Weekly Average Charge" and "190KWH")
+  // Draw Sublabel and Value (e.g., "Weekly Average Charge" and "190KWH")
-    renderer->draw_string_scaled(base_x, base_y + 15, sublabel, 1);
+  renderer->draw_string_scaled(base_x, base_y + 15, sublabel, 1);
 
-    int val_width = strlen(value_text) * 8; // Approximation
+  int val_width = strlen(value_text) * 8; // Approximation
-    renderer->draw_string_scaled(base_x + width - val_width, base_y + 15, value_text, 1);
+  renderer->draw_string_scaled(base_x + width - val_width, base_y + 15,
+                               value_text, 1);
 
-    // Draw Bar Container (Rounded)
+  // Draw Bar Container (Rounded)
-    int bar_y = base_y + 30;
+  int bar_y = base_y + 30;
-    int bar_height = 12;
+  int bar_height = 12;
-    renderer->draw_rounded_rectangle(base_x, bar_y, width, bar_height, 6, true);
+  renderer->draw_rounded_rectangle(base_x, bar_y, width, bar_height, 6, true);
 
-    // Draw Progress Fill
+  // Draw Progress Fill
-    int fill_width = (percentage * width) / 100;
+  int fill_width = (percentage * width) / 100;
-    if (fill_width > 4) {
+  if (fill_width > 4) {
-        renderer->draw_rounded_rectangle(base_x + 2, bar_y + 2, fill_width - 4, bar_height - 4, 4, true, true);
+    renderer->draw_rounded_rectangle(base_x + 2, bar_y + 2, fill_width - 4,
-    }
+                                     bar_height - 4, 4, true, true);
+  }
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_circular_gauge(LowLevelWindow* window, int x, int y, int width, const char* label, int percentage) {
+void LowLevelGUI::draw_circular_gauge(LowLevelWindow *window, int x, int y,
-    window = validate_or_create_window(window, renderer);
+                                      int width, const char *label,
-    int base_x = window->x + x;
+                                      int percentage) {
-    int base_y = window->y + y;
+  window = validate_or_create_window(window, renderer);
-    int height = 50;
+  int base_x = window->x + x;
+  int base_y = window->y + y;
+  int height = 50;
 
-    // Draw pill-shaped container
+  // Draw pill-shaped container
-    renderer->draw_rounded_rectangle(base_x, base_y, width, height, height/2, true);
+  renderer->draw_rounded_rectangle(base_x, base_y, width, height, height / 2,
+                                   true);
 
-    const Font* original_font = renderer->get_current_font();
+  const Font *original_font = renderer->get_current_font();
-    renderer->set_font(current_font);
+  renderer->set_font(current_font);
 
-    // Draw Label
+  // Draw Label
-    renderer->draw_string_scaled(base_x + 20, base_y + 18, label, 2);
+  renderer->draw_string_scaled(base_x + 20, base_y + 18, label, 2);
 
-    // Draw Circular Gauge on the right
+  // Draw Circular Gauge on the right
-    int centerX = base_x + width - 30;
+  int centerX = base_x + width - 30;
-    int centerY = base_y + 25;
+  int centerY = base_y + 25;
-    int radius = 18;
+  int radius = 18;
 
-    // Draw background track (dimmed)
+  // Draw background track (dimmed)
-    renderer->draw_circle(centerX, centerY, radius, true); 
+  renderer->draw_circle(centerX, centerY, radius, true);
 
-    // Draw percentage text inside circle
+  // Draw percentage text inside circle
-    char buf[5];
+  char buf[5];
-    snprintf(buf, sizeof(buf), "%d%%", percentage);
+  snprintf(buf, sizeof(buf), "%d%%", percentage);
-    renderer->draw_string_scaled(centerX - 10, centerY - 5, buf, 1);
+  renderer->draw_string_scaled(centerX - 10, centerY - 5, buf, 1);
 
-    // Note: If your renderer supports arcs:
+  // Note: If your renderer supports arcs:
-    // renderer->draw_arc(centerX, centerY, radius, 0, (percentage * 360) / 100);
+  // renderer->draw_arc(centerX, centerY, radius, 0, (percentage * 360) / 100);
 
-    renderer->set_font(original_font);
+  renderer->set_font(original_font);
 }
 
+void LowLevelGUI::draw_notification(LowLevelWindow *window, int x, int y,
+                                    int width, const char *time,
+                                    const char *message) {
+  // window = validate_or_create_window(window, renderer);
+  int base_x = window->x + x;
+  int base_y = window->y + y;
 
-void LowLevelGUI::draw_notification(LowLevelWindow* window, int x, int y, int width, const char* time, const char* message) {
+  // Draw dark background
-    // window = validate_or_create_window(window, renderer);
+  renderer->draw_rounded_rectangle(base_x, base_y, width, 100, 15, true, true);
-    int base_x = window->x + x;
-    int base_y = window->y + y;
 
-    // Draw dark background
+  const Font *original_font = renderer->get_current_font();
-    renderer->draw_rounded_rectangle(base_x, base_y, width, 100, 15, true, true);
+  renderer->set_font(current_font);
+  renderer->set_text_color(false); // Assume false is white/light on dark
 
-    const Font* original_font = renderer->get_current_font();
+  renderer->draw_string_scaled(base_x + 15, base_y + 10, time, 1);
-    renderer->set_font(current_font);
+  renderer->draw_string_scaled(base_x + width - 20, base_y + 10, "x", 1);
-    renderer->set_text_color(false); // Assume false is white/light on dark
 
-    renderer->draw_string_scaled(base_x + 15, base_y + 10, time, 1);
+  // Simple word wrap or multi-line manual draw for the message
-    renderer->draw_string_scaled(base_x + width - 20, base_y + 10, "x", 1);
+  // This is a simplified version
+  renderer->draw_string_scaled(base_x + 15, base_y + 30, message, 2);
 
-    // Simple word wrap or multi-line manual draw for the message
+  renderer->set_text_color(true);
-    // This is a simplified version
+  renderer->set_font(original_font);
-    renderer->draw_string_scaled(base_x + 15, base_y + 30, message, 2);
-    
-    renderer->set_text_color(true);
-    renderer->set_font(original_font);
 }
 
-void LowLevelGUI::draw_large_clock(LowLevelWindow* window, int x, int y, const char* time_str) {
+void LowLevelGUI::draw_large_clock(LowLevelWindow *window, int x, int y,
-    window = validate_or_create_window(window, renderer);
+                                   const char *time_str) {
-    const Font* original_font = renderer->get_current_font();
+  window = validate_or_create_window(window, renderer);
-    renderer->set_font(current_font);
+  const Font *original_font = renderer->get_current_font();
-    // Draw the time significantly larger (scale 5 or 6)
+  renderer->set_font(current_font);
-    renderer->draw_string_scaled(window->x + x, window->y + y, time_str, 6);
+  // Draw the time significantly larger (scale 5 or 6)
-    renderer->set_font(original_font);
+  renderer->draw_string_scaled(window->x + x, window->y + y, time_str, 6);
+  renderer->set_font(original_font);
 }
-

display/low_level_render.cpp

@@ -671,3 +671,57 @@ int LowLevelRenderer::draw_string_scaled(int x, int y, const char* text, int sca
     }
     return current_x;
 }
+int LowLevelRenderer::get_char_width_scaled(char c, int scale) {
+  if (!current_font)
+    return 0;
+
+  if (c < 32 || c > 127)
+    return 0;
+  if (scale < 1)
+    scale = 1;
+
+  int font_idx = c - 32;
+  const unsigned char *char_data = current_font->get_char_data(font_idx);
+  if (!char_data)
+    return 0;
+
+  int bytes_per_char = current_font->get_bytes_per_char();
+
+  // Find the actual width by skipping trailing empty columns
+  int actual_width = 0;
+  for (int col = bytes_per_char - 1; col >= 0; col--) {
+    if (char_data[col] != 0) {
+      actual_width = col + 1;
+      break;
+    }
+  }
+
+  return actual_width * scale;
+}
+
+int LowLevelRenderer::get_string_width_scaled(const char *text, int scale,
+                                              int spacing) {
+  if (!current_font)
+    return 0;
+  int width = 0;
+  int i = 0;
+  while (text[i] != '\0') {
+    int char_width = get_char_width_scaled(text[i], scale);
+    // Add spacing only if it's not the last character, but logic usually adds
+    // spacing after each char In drawn_string_scaled: current_x += char_width +
+    // (spacing * scale); So width accumulates char_width + spacing*scale.
+    // However, the last character shouldn't really have spacing if we want
+    // exact bounding box, but let's match draw_string_scaled behavior which
+    // effectively advances cursor. Wait, draw_string_scaled returns
+    // `current_x`. If x=0, current_x ends up at sum(char_width +
+    // spacing*scale).
+
+    width += char_width + (spacing * scale);
+    i++;
+  }
+  // Correction: draw_string_scaled includes spacing after the last character.
+  // If we want exact pixel width of the visible text, we might want to subtract
+  // the last spacing. But for UI alignment, usually cursor advancement is fine.
+  // Let's stick to returning what draw_string_scaled would add to x.
+  return width;
+}

display/low_level_render.h

@@ -1,9 +1,8 @@
-// class that handles low-level rendering operations, such as drawing pixels and shapes to the display.
+// class that handles low-level rendering operations, such as drawing pixels and
-// This class is framework-agnostic and focuses solely on manipulating a 1-bit per pixel buffer.
+// shapes to the display. This class is framework-agnostic and focuses solely on
-// Constructor Args:
+// manipulating a 1-bit per pixel buffer. Constructor Args: uint8_t* buffer:
-// uint8_t* buffer: Pointer to the bit buffer
+// Pointer to the bit buffer int width: Display width in pixels int height:
-// int width: Display width in pixels
+// Display height in pixels
-// int height: Display height in pixels
 
 #ifndef LOW_LEVEL_RENDER_H
 #define LOW_LEVEL_RENDER_H
@@ -15,26 +14,28 @@
 // Font class that holds font data and dimensions
 class Font {
 private:
-    const unsigned char* data;
+  const unsigned char *data;
-    int num_chars;
+  int num_chars;
-    int bytes_per_char;
+  int bytes_per_char;
-    int char_height;
+  int char_height;
 
 public:
-    Font(const unsigned char* font_data, int num_chars, int bytes_per_char, int char_height)
+  Font(const unsigned char *font_data, int num_chars, int bytes_per_char,
-        : data(font_data), num_chars(num_chars), bytes_per_char(bytes_per_char), 
+       int char_height)
-          char_height(char_height) {}
+      : data(font_data), num_chars(num_chars), bytes_per_char(bytes_per_char),
+        char_height(char_height) {}
 
-    const unsigned char* get_data() const { return data; }
+  const unsigned char *get_data() const { return data; }
-    int get_num_chars() const { return num_chars; }
+  int get_num_chars() const { return num_chars; }
-    int get_bytes_per_char() const { return bytes_per_char; }
+  int get_bytes_per_char() const { return bytes_per_char; }
-    int get_char_height() const { return char_height; }
+  int get_char_height() const { return char_height; }
 
-    // Get a specific character's data
+  // Get a specific character's data
-    const unsigned char* get_char_data(int char_index) const {
+  const unsigned char *get_char_data(int char_index) const {
-        if (char_index < 0 || char_index >= num_chars) return nullptr;
+    if (char_index < 0 || char_index >= num_chars)
-        return data + (char_index * bytes_per_char);
+      return nullptr;
-    }
+    return data + (char_index * bytes_per_char);
+  }
 };
 
 // Font extern declarations
@@ -93,61 +94,78 @@ extern Font font_zxpix_obj;
 
 class LowLevelRenderer {
 private:
-    uint8_t* bit_buffer;
+  uint8_t *bit_buffer;
-    int V_WIDTH;
+  int V_WIDTH;
-    int V_HEIGHT;
+  int V_HEIGHT;
-    const Font* current_font;
+  const Font *current_font;
-    bool clipping_enabled;
+  bool clipping_enabled;
-    int clip_x, clip_y, clip_width, clip_height;
+  int clip_x, clip_y, clip_width, clip_height;
-    bool text_color;
+  bool text_color;
-    void draw_corner_arc(int center_x, int center_y, int radius, int quadrant, bool on);
+  void draw_corner_arc(int center_x, int center_y, int radius, int quadrant,
-    void fill_bottom_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
+                       bool on);
-    void fill_top_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
+  void fill_bottom_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3,
-    bool is_point_in_clip_rect(int x, int y);
+                                 bool on);
+  void fill_top_flat_triangle(int x1, int y1, int x2, int y2, int x3, int y3,
+                              bool on);
+  bool is_point_in_clip_rect(int x, int y);
 
 public:
-    LowLevelRenderer(uint8_t* buffer, int width, int height);
+  LowLevelRenderer(uint8_t *buffer, int width, int height);
 
-    // Font management
+  // Font management
-    void set_font(const Font* font);
+  void set_font(const Font *font);
-    void set_text_color(bool color);
+  void set_text_color(bool color);
-    const Font* get_current_font() const { return current_font; }
+  const Font *get_current_font() const { return current_font; }
-    bool get_current_text_color() const { return text_color; }
+  bool get_current_text_color() const { return text_color; }
-    int get_width() const { return V_WIDTH; }
+  int get_width() const { return V_WIDTH; }
-    int get_height() const { return V_HEIGHT; }
+  int get_height() const { return V_HEIGHT; }
 
-    // --- 1-BIT DRAWING PRIMITIVES ---
+  // --- 1-BIT DRAWING PRIMITIVES ---
-    void set_pixel(int x, int y, bool on);
+  void set_pixel(int x, int y, bool on);
-    void draw_line(int x0, int y0, int x1, int y1, bool on, int width = 1);
+  void draw_line(int x0, int y0, int x1, int y1, bool on, int width = 1);
-    void draw_rectangle(int x, int y, int width, int height, bool on, int line_width);
+  void draw_rectangle(int x, int y, int width, int height, bool on,
-    void draw_filled_rectangle(int x, int y, int width, int height, bool on, int line_width);
+                      int line_width);
-    void draw_rounded_rectangle(int x, int y, int width, int height, int radius, bool on, bool filled = false);
+  void draw_filled_rectangle(int x, int y, int width, int height, bool on,
-    void draw_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
+                             int line_width);
-    void draw_filled_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
+  void draw_rounded_rectangle(int x, int y, int width, int height, int radius,
-    void draw_ellipse(int center_x, int center_y, int radius_x, int radius_y, bool on);
+                              bool on, bool filled = false);
-    void draw_filled_ellipse(int center_x, int center_y, int radius_x, int radius_y, bool on);
+  void draw_triangle(int x1, int y1, int x2, int y2, int x3, int y3, bool on);
-    void draw_polygon(const std::vector<std::pair<int, int>>& points, bool on);
+  void draw_filled_triangle(int x1, int y1, int x2, int y2, int x3, int y3,
-    void draw_filled_polygon(const std::vector<std::pair<int, int>>& points, bool on);
+                            bool on);
-    void draw_arc(int center_x, int center_y, int radius, int start_angle, int end_angle, bool on);
+  void draw_ellipse(int center_x, int center_y, int radius_x, int radius_y,
+                    bool on);
+  void draw_filled_ellipse(int center_x, int center_y, int radius_x,
+                           int radius_y, bool on);
+  void draw_polygon(const std::vector<std::pair<int, int>> &points, bool on);
+  void draw_filled_polygon(const std::vector<std::pair<int, int>> &points,
+                           bool on);
+  void draw_arc(int center_x, int center_y, int radius, int start_angle,
+                int end_angle, bool on);
 
-    // Bitmap drawing
+  // Bitmap drawing
-    void draw_bitmap(const unsigned char* bitmap, int x, int y, int width, int height, bool invert = false);
+  void draw_bitmap(const unsigned char *bitmap, int x, int y, int width,
+                   int height, bool invert = false);
 
-    // Clipping functions
+  // Clipping functions
-    void set_clip_rect(int x, int y, int width, int height);
+  void set_clip_rect(int x, int y, int width, int height);
-    void reset_clip_rect();
+  void reset_clip_rect();
-    bool is_clipping_enabled() const;
+  bool is_clipping_enabled() const;
 
-    // Buffer operations
+  // Buffer operations
-    void invert_buffer();
+  void invert_buffer();
-    void clear_buffer();
+  void clear_buffer();
 
-    void draw_circle(int x, int y, int radius, bool on);
+  void draw_circle(int x, int y, int radius, bool on);
-    void draw_filled_circle(int x, int y, int radius, bool on);
+  void draw_filled_circle(int x, int y, int radius, bool on);
-    int draw_char_vcol(int x, int y, char c);
+  int draw_char_vcol(int x, int y, char c);
-    void draw_string(int x, int y, const std::string &text, int spacing = 1);
+  void draw_string(int x, int y, const std::string &text, int spacing = 1);
-    int draw_char_scaled(int x, int y, char c, int scale);
+  int draw_char_scaled(int x, int y, char c, int scale);
-    int draw_string_scaled(int x, int y, const char* text, int scale, int spacing = 1);
+  int draw_string_scaled(int x, int y, const char *text, int scale,
+                         int spacing = 1);
+
+  // Width calculation without drawing
+  int get_char_width_scaled(char c, int scale);
+  int get_string_width_scaled(const char *text, int scale, int spacing = 1);
 };
 
 #endif // LOW_LEVEL_RENDER_H

emulator/CMakeCache.txt

@@ -1,383 +0,0 @@
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-# For build in directory: /Users/adolforeyna/Projects/basic1/emulator
-# It was generated by CMake: /opt/homebrew/bin/cmake
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-# If you do not want to change any of the values, simply exit the editor.
-# If you do want to change a value, simply edit, save, and exit the editor.
-# The syntax for the file is as follows:
-# KEY:TYPE=VALUE
-# KEY is the name of a variable in the cache.
-# TYPE is a hint to GUIs for the type of VALUE, DO NOT EDIT TYPE!.
-# VALUE is the current value for the KEY.
-
-########################
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-CMAKE_BUILD_TYPE:STRING=
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-
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-CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: CMAKE_STATIC_LINKER_FLAGS_RELEASE
-CMAKE_STATIC_LINKER_FLAGS_RELEASE-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO
-CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: CMAKE_STRIP
-CMAKE_STRIP-ADVANCED:INTERNAL=1
-//ADVANCED property for variable: CMAKE_TAPI
-CMAKE_TAPI-ADVANCED:INTERNAL=1
-//uname command
-CMAKE_UNAME:INTERNAL=/usr/bin/uname
-//ADVANCED property for variable: CMAKE_VERBOSE_MAKEFILE
-CMAKE_VERBOSE_MAKEFILE-ADVANCED:INTERNAL=1
-

emulator/build_and_run.sh

@@ -1,8 +1,9 @@
 #!/bin/bash
 set -e
 
-echo "[Emulator] Cleaning old build..."
+echo "[Emulator] Generating build files..."
-make clean
+cmake .
+
 
 echo "[Emulator] Building..."
 make

emulator/cmake_install.cmake

@@ -1,61 +0,0 @@
-# Install script for directory: /Users/adolforeyna/Projects/basic1/emulator
-
-# Set the install prefix
-if(NOT DEFINED CMAKE_INSTALL_PREFIX)
-  set(CMAKE_INSTALL_PREFIX "/usr/local")
-endif()
-string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
-
-# Set the install configuration name.
-if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)
-  if(BUILD_TYPE)
-    string(REGEX REPLACE "^[^A-Za-z0-9_]+" ""
-           CMAKE_INSTALL_CONFIG_NAME "${BUILD_TYPE}")
-  else()
-    set(CMAKE_INSTALL_CONFIG_NAME "")
-  endif()
-  message(STATUS "Install configuration: \"${CMAKE_INSTALL_CONFIG_NAME}\"")
-endif()
-
-# Set the component getting installed.
-if(NOT CMAKE_INSTALL_COMPONENT)
-  if(COMPONENT)
-    message(STATUS "Install component: \"${COMPONENT}\"")
-    set(CMAKE_INSTALL_COMPONENT "${COMPONENT}")
-  else()
-    set(CMAKE_INSTALL_COMPONENT)
-  endif()
-endif()
-
-# Is this installation the result of a crosscompile?
-if(NOT DEFINED CMAKE_CROSSCOMPILING)
-  set(CMAKE_CROSSCOMPILING "FALSE")
-endif()
-
-# Set path to fallback-tool for dependency-resolution.
-if(NOT DEFINED CMAKE_OBJDUMP)
-  set(CMAKE_OBJDUMP "/usr/bin/objdump")
-endif()
-
-string(REPLACE ";" "\n" CMAKE_INSTALL_MANIFEST_CONTENT
-       "${CMAKE_INSTALL_MANIFEST_FILES}")
-if(CMAKE_INSTALL_LOCAL_ONLY)
-  file(WRITE "/Users/adolforeyna/Projects/basic1/emulator/install_local_manifest.txt"
-     "${CMAKE_INSTALL_MANIFEST_CONTENT}")
-endif()
-if(CMAKE_INSTALL_COMPONENT)
-  if(CMAKE_INSTALL_COMPONENT MATCHES "^[a-zA-Z0-9_.+-]+$")
-    set(CMAKE_INSTALL_MANIFEST "install_manifest_${CMAKE_INSTALL_COMPONENT}.txt")
-  else()
-    string(MD5 CMAKE_INST_COMP_HASH "${CMAKE_INSTALL_COMPONENT}")
-    set(CMAKE_INSTALL_MANIFEST "install_manifest_${CMAKE_INST_COMP_HASH}.txt")
-    unset(CMAKE_INST_COMP_HASH)
-  endif()
-else()
-  set(CMAKE_INSTALL_MANIFEST "install_manifest.txt")
-endif()
-
-if(NOT CMAKE_INSTALL_LOCAL_ONLY)
-  file(WRITE "/Users/adolforeyna/Projects/basic1/emulator/${CMAKE_INSTALL_MANIFEST}"
-     "${CMAKE_INSTALL_MANIFEST_CONTENT}")
-endif()

emulator/game_launcher.cpp

@@ -1,164 +1,178 @@
 // Copy of game_launcher.cpp for emulator build
 #include "game_launcher.h"
-#include "input_manager.h"
-#include "../display/low_level_render.h"
 #include "../display/low_level_gui.h"
+#include "../display/low_level_render.h"
+#include "input_manager.h"
 #include <stdio.h>
 extern Font font_5x5_obj;
-GameLauncher::GameLauncher(uint16_t width, uint16_t height, LowLevelRenderer* renderer, LowLevelGUI* gui, InputManager* input_manager)
+GameLauncher::GameLauncher(uint16_t width, uint16_t height,
-    : width(width), height(height), renderer(renderer), gui(gui), input_manager(input_manager),
+                           LowLevelRenderer *renderer, LowLevelGUI *gui,
-      selected_index(0), selected_game(nullptr), current_page(0) {}
+                           InputManager *input_manager)
-void GameLauncher::register_game(const char* name, const char* description, 
+    : width(width), height(height), renderer(renderer), gui(gui),
-                                  std::function<Game*(uint16_t, uint16_t, LowLevelRenderer*, LowLevelGUI*, InputManager*)> factory) {
+      input_manager(input_manager), selected_index(0), selected_game(nullptr),
-    GameEntry entry;
+      current_page(0) {}
-    entry.name = name;
+void GameLauncher::register_game(
-    entry.description = description;
+    const char *name, const char *description,
-    entry.factory = factory;
+    std::function<Game *(uint16_t, uint16_t, LowLevelRenderer *, LowLevelGUI *,
-    games.push_back(entry);
+                         InputManager *)>
-    printf("Registered game: %s - %s\n", name, description);
+        factory) {
+  GameEntry entry;
+  entry.name = name;
+  entry.description = description;
+  entry.factory = factory;
+  games.push_back(entry);
+  printf("Registered game: %s - %s\n", name, description);
 }
 void GameLauncher::draw() {
-    LowLevelWindow* window = gui->draw_new_window(10, 10, width - 20, height - 20, "Game Launcher");
+  LowLevelWindow *window =
-    renderer->set_font(&font_5x5_obj);
+      gui->draw_new_window(10, 10, width - 20, height - 20, "Game Launcher");
+  renderer->set_font(&font_5x5_obj);
 
-    int total_pages = get_total_pages();
+  int total_pages = get_total_pages();
-    char title[64];
+  char title[64];
-    snprintf(title, sizeof(title), "Select a Game: (Page %d/%d)", current_page + 1, total_pages);
+  snprintf(title, sizeof(title), "Select a Game: (Page %d/%d)",
-    renderer->draw_string_scaled(30, 40, title, 2);
+           current_page + 1, total_pages);
+  renderer->draw_string_scaled(30, 40, title, 2);
+
+  int page_start = get_page_start_index();
+  int page_end = get_page_end_index();
+
+  for (int i = page_start; i < page_end && i < (int)games.size(); i++) {
+    int item_index = i - page_start;
+    int y = MENU_Y_START + (item_index * MENU_ITEM_HEIGHT);
+    bool is_selected = (i == selected_index);
+    gui->draw_button(window, 20, y, games[i].name, is_selected, true);
+    renderer->set_font(&font_5x5_obj);
+    renderer->set_text_color(true);
+    renderer->draw_string_scaled(50, y + 36, games[i].description, 1);
+  }
+
+  if (total_pages > 1) {
+    int button_y = height - 65;
+    renderer->set_font(&font_5x5_obj);
+    gui->draw_button(window, PREV_BUTTON_X, button_y, "PREV", false, true);
+    gui->draw_button(window, NEXT_BUTTON_X, button_y, "NEXT", false, true);
+    renderer->set_font(&font_5x5_obj);
+    renderer->draw_string_scaled(30, height - 25, "Touch buttons or KEY0/KEY1",
+                                 1);
+  } else {
+    renderer->set_font(&font_5x5_obj);
+    renderer->draw_string_scaled(
+        30, height - 35, "KEY0: Navigate | KEY1: Select | Touch to play", 1);
+  }
+}
+bool GameLauncher::update(const InputEvent &event) {
+  bool needs_refresh = false;
+  int total_pages = get_total_pages();
+
+  switch (event.type) {
+  case INPUT_TOUCH_DOWN: {
+    // Check if touch is on navigation buttons (if multiple pages)
+    if (total_pages > 1) {
+      if (event.x >= PREV_BUTTON_X && event.x < PREV_BUTTON_X + BUTTON_WIDTH &&
+          event.y >= NAV_BUTTON_Y && event.y < NAV_BUTTON_Y + BUTTON_HEIGHT) {
+        if (current_page > 0) {
+          current_page--;
+          selected_index = get_page_start_index();
+          needs_refresh = true;
+        }
+        break;
+      }
+      if (event.x >= NEXT_BUTTON_X && event.x < NEXT_BUTTON_X + BUTTON_WIDTH &&
+          event.y >= NAV_BUTTON_Y && event.y < NAV_BUTTON_Y + BUTTON_HEIGHT) {
+        if (current_page + 1 < total_pages) {
+          current_page++;
+          selected_index = get_page_start_index();
+          needs_refresh = true;
+        }
+        break;
+      }
+    }
 
     int page_start = get_page_start_index();
     int page_end = get_page_end_index();
 
     for (int i = page_start; i < page_end && i < (int)games.size(); i++) {
-        int item_index = i - page_start;
+      int item_index = i - page_start;
-        int y = MENU_Y_START + (item_index * MENU_ITEM_HEIGHT);
+      int y = MENU_Y_START + (item_index * MENU_ITEM_HEIGHT);
-        bool is_selected = (i == selected_index);
+      if (event.y >= y - 5 && event.y < y + MENU_ITEM_HEIGHT - 5) {
-        gui->draw_button(window, 20, y, games[i].name, is_selected, true);
+        selected_game =
-        renderer->set_font(&font_5x5_obj);
+            games[i].factory(width, height, renderer, gui, input_manager);
-        renderer->set_text_color(true);
+        if (selected_game) {
-        renderer->draw_string_scaled(50, y + 36, games[i].description, 1);
+          selected_game->init();
+          return true;
+        }
+        break;
+      }
     }
+    break;
+  }
+  case INPUT_BUTTON_0: {
+    int page_start = get_page_start_index();
+    int page_end = get_page_end_index();
 
-    if (total_pages > 1) {
+    if (page_end - page_start > 1) {
-        int button_y = height - 65;
+      int old_index = selected_index;
-        gui->draw_button(window, PREV_BUTTON_X, button_y, "< PREV", false, true);
+      selected_index++;
-        gui->draw_button(window, NEXT_BUTTON_X, button_y, "NEXT >", false, true);
+      if (selected_index >= page_end) {
-        renderer->set_font(&font_5x5_obj);
+        if (current_page + 1 < total_pages) {
-        renderer->draw_string_scaled(30, height - 25, "Touch buttons or KEY0/KEY1", 1);
+          current_page++;
+          selected_index = get_page_start_index();
+        } else {
+          current_page = 0;
+          selected_index = 0;
+        }
+      } else if (selected_index < page_start) {
+        selected_index = page_start;
+      }
     } else {
-        renderer->set_font(&font_5x5_obj);
+      if (current_page + 1 < total_pages) {
-        renderer->draw_string_scaled(30, height - 35, "KEY0: Navigate | KEY1: Select | Touch to play", 1);
+        current_page++;
+        selected_index = get_page_start_index();
+      } else {
+        current_page = 0;
+        selected_index = 0;
+      }
     }
-}
+    needs_refresh = true;
-bool GameLauncher::update(const InputEvent& event) {
+    break;
-    bool needs_refresh = false;
+  }
-    int total_pages = get_total_pages();
+  case INPUT_BUTTON_1: {
-    
+    if (selected_index >= 0 && selected_index < (int)games.size()) {
-    switch (event.type) {
+      selected_game = games[selected_index].factory(width, height, renderer,
-        case INPUT_TOUCH_DOWN: {
+                                                    gui, input_manager);
-            // Check if touch is on navigation buttons (if multiple pages)
+      if (selected_game) {
-            if (total_pages > 1) {
+        selected_game->init();
-                if (event.x >= PREV_BUTTON_X && event.x < PREV_BUTTON_X + BUTTON_WIDTH &&
+        return true;
-                    event.y >= NAV_BUTTON_Y && event.y < NAV_BUTTON_Y + BUTTON_HEIGHT) {
+      }
-                    if (current_page > 0) {
-                        current_page--;
-                        selected_index = get_page_start_index();
-                        needs_refresh = true;
-                    }
-                    break;
-                }
-                if (event.x >= NEXT_BUTTON_X && event.x < NEXT_BUTTON_X + BUTTON_WIDTH &&
-                    event.y >= NAV_BUTTON_Y && event.y < NAV_BUTTON_Y + BUTTON_HEIGHT) {
-                    if (current_page + 1 < total_pages) {
-                        current_page++;
-                        selected_index = get_page_start_index();
-                        needs_refresh = true;
-                    }
-                    break;
-                }
-            }
-            
-            int page_start = get_page_start_index();
-            int page_end = get_page_end_index();
-            
-            for (int i = page_start; i < page_end && i < (int)games.size(); i++) {
-                int item_index = i - page_start;
-                int y = MENU_Y_START + (item_index * MENU_ITEM_HEIGHT);
-                if (event.y >= y - 5 && event.y < y + MENU_ITEM_HEIGHT - 5) {
-                    selected_game = games[i].factory(width, height, renderer, gui, input_manager);
-                    if (selected_game) {
-                        selected_game->init();
-                        return true;
-                    }
-                    break;
-                }
-            }
-            break;
-        }
-        case INPUT_BUTTON_0: {
-            int page_start = get_page_start_index();
-            int page_end = get_page_end_index();
-            
-            if (page_end - page_start > 1) {
-                int old_index = selected_index;
-                selected_index++;
-                if (selected_index >= page_end) {
-                    if (current_page + 1 < total_pages) {
-                        current_page++;
-                        selected_index = get_page_start_index();
-                    } else {
-                        current_page = 0;
-                        selected_index = 0;
-                    }
-                } else if (selected_index < page_start) {
-                    selected_index = page_start;
-                }
-            } else {
-                if (current_page + 1 < total_pages) {
-                    current_page++;
-                    selected_index = get_page_start_index();
-                } else {
-                    current_page = 0;
-                    selected_index = 0;
-                }
-            }
-            needs_refresh = true;
-            break;
-        }
-        case INPUT_BUTTON_1: {
-            if (selected_index >= 0 && selected_index < (int)games.size()) {
-                selected_game = games[selected_index].factory(width, height, renderer, gui, input_manager);
-                if (selected_game) {
-                    selected_game->init();
-                    return true;
-                }
-            }
-            break;
-        }
-        default:
-            break;
     }
-    return needs_refresh;
+    break;
+  }
+  default:
+    break;
+  }
+  return needs_refresh;
 }
-Game* GameLauncher::get_selected_game() { return selected_game; }
+Game *GameLauncher::get_selected_game() { return selected_game; }
 void GameLauncher::reset() {
-    if (selected_game) {
+  if (selected_game) {
-        delete selected_game;
+    delete selected_game;
-        selected_game = nullptr;
+    selected_game = nullptr;
-    }
+  }
-    selected_index = 0;
+  selected_index = 0;
-    current_page = 0;
+  current_page = 0;
 }
 
 int GameLauncher::get_total_pages() const {
-    if (games.empty()) return 1;
+  if (games.empty())
-    return (games.size() + GAMES_PER_PAGE - 1) / GAMES_PER_PAGE;
+    return 1;
+  return (games.size() + GAMES_PER_PAGE - 1) / GAMES_PER_PAGE;
 }
 
 int GameLauncher::get_page_start_index() const {
-    return current_page * GAMES_PER_PAGE;
+  return current_page * GAMES_PER_PAGE;
 }
 
 int GameLauncher::get_page_end_index() const {
-    return (current_page + 1) * GAMES_PER_PAGE;
+  return (current_page + 1) * GAMES_PER_PAGE;
 }

emulator/games/lua_examples/ball.lua

@@ -1,84 +0,0 @@
--- NAME: Bouncing Ball
--- DESC: Physics demo with state management
-
--- States
-local STATE_PAUSED = 0
-local STATE_RUNNING = 1
-
-function init()
-    game.vars.state = STATE_PAUSED
-    game.vars.ball_x = game.width() / 2
-    game.vars.ball_y = game.height() / 2
-    game.vars.vel_x = 3
-    game.vars.vel_y = 2
-    game.vars.radius = 10
-    game.vars.frame_count = 0
-    
-    -- Enable continuous frame updates for smooth animation
-    game.set_frame_updates(true)
-    
-    print("Bouncing Ball initialized")
-end
-
-function update(event)
-    -- Toggle pause on tap
-    if event.type == INPUT.TOUCH_DOWN or event.type == INPUT.BUTTON_0 or event.type == INPUT.BUTTON_1 then
-        if game.vars.state == STATE_PAUSED then
-            game.vars.state = STATE_RUNNING
-        else
-            game.vars.state = STATE_PAUSED
-        end
-        return true
-    end
-    
-    -- Update physics if running (on any frame tick)
-    if event.type == INPUT.FRAME_TICK and game.vars.state == STATE_RUNNING then
-        -- Move ball
-        game.vars.ball_x = game.vars.ball_x + game.vars.vel_x
-        game.vars.ball_y = game.vars.ball_y + game.vars.vel_y
-        
-        -- Bounce off walls
-        if game.vars.ball_x - game.vars.radius < 0 or game.vars.ball_x + game.vars.radius > game.width() then
-            game.vars.vel_x = -game.vars.vel_x
-            game.vars.ball_x = math.max(game.vars.radius, math.min(game.width() - game.vars.radius, game.vars.ball_x))
-        end
-        
-        if game.vars.ball_y - game.vars.radius < 0 or game.vars.ball_y + game.vars.radius > game.height() then
-            game.vars.vel_y = -game.vars.vel_y
-            game.vars.ball_y = math.max(game.vars.radius, math.min(game.height() - game.vars.radius, game.vars.ball_y))
-        end
-        
-        game.vars.frame_count = game.vars.frame_count + 1
-        return true  -- Always redraw when running
-    end
-    
-    return false
-end
-
-function draw()
-    renderer.clear(false)
-    
-    -- Draw ball
-    renderer.circle(game.vars.ball_x, game.vars.ball_y, game.vars.radius, true, true)
-    
-    -- Draw trail (previous positions)
-    local trail_radius = game.vars.radius - 2
-    if trail_radius > 2 then
-        renderer.circle(game.vars.ball_x - game.vars.vel_x, 
-                       game.vars.ball_y - game.vars.vel_y, 
-                       trail_radius, true, false)
-    end
-    
-    -- Draw status
-    if game.vars.state == STATE_PAUSED then
-        renderer.text(10, 10, "PAUSED - Tap to start", true)
-    else
-        renderer.text(10, 10, "Frames: " .. tostring(game.vars.frame_count), true)
-        renderer.text(10, 25, "Tap to pause", true)
-    end
-    
-    -- Draw velocity vector
-    local arrow_x = game.vars.ball_x + game.vars.vel_x * 3
-    local arrow_y = game.vars.ball_y + game.vars.vel_y * 3
-    renderer.line(game.vars.ball_x, game.vars.ball_y, arrow_x, arrow_y, true, 2)
-end

emulator/games/lua_examples/counter.lua

@@ -1,49 +0,0 @@
--- NAME: Touch Counter
--- DESC: Simple tap counter demo
-
--- Initialize game state
-function init()
-    game.vars.count = 0
-    game.vars.last_x = 0
-    game.vars.last_y = 0
-    print("Counter initialized")
-end
-
--- Update game logic based on input
-function update(event)
-    -- Check if touch/button pressed
-    if event.type == INPUT.TOUCH_DOWN or event.type == INPUT.BUTTON_0 or event.type == INPUT.BUTTON_1 then
-        game.vars.count = game.vars.count + 1
-        game.vars.last_x = event.x
-        game.vars.last_y = event.y
-        print("Count: " .. game.vars.count)
-        return true  -- Request redraw
-    end
-    
-    return false  -- No redraw needed
-end
-
--- Draw the game
-function draw()
-    -- Clear screen
-    renderer.clear(true)
-    
-    -- Draw title
-    renderer.text(20, 20, "Touch Counter", true)
-    
-    -- Draw count (centered)
-    local count_text = "Count: " .. tostring(game.vars.count)
-    renderer.text(game.width() / 2 - 40, game.height() / 2 - 10, count_text, true)
-    
-    -- Draw last touch position
-    if game.vars.count > 0 then
-        local pos_text = "Last: (" .. tostring(game.vars.last_x) .. ", " .. tostring(game.vars.last_y) .. ")"
-        renderer.text(20, game.height() - 30, pos_text, true)
-        
-        -- Draw marker at last touch
-        renderer.circle(game.vars.last_x, game.vars.last_y, 5, true, false)
-    end
-    
-    -- Draw instructions
-    renderer.text(20, 50, "Tap screen to increment", true)
-end

emulator/games/lua_examples/snake.lua

@@ -1,219 +0,0 @@
--- NAME: Snake Game
--- DESC: Classic snake with state machine
-
--- Game states
-local STATE_MENU = 0
-local STATE_PLAYING = 1
-local STATE_GAME_OVER = 2
-
--- Game constants
-local CELL_SIZE = 10
-local GRID_W = 40
-local GRID_H = 28
-
--- Initialize game
-function init()
-    game.vars.state = STATE_MENU
-    game.vars.score = 0
-    game.vars.high_score = 0
-    
-    -- Snake as array of {x, y} positions
-    game.vars.snake = {}
-    game.vars.snake[1] = {x = 20, y = 14}
-    game.vars.snake[2] = {x = 19, y = 14}
-    game.vars.snake[3] = {x = 18, y = 14}
-    
-    game.vars.dir_x = 1
-    game.vars.dir_y = 0
-    
-    game.vars.food_x = 30
-    game.vars.food_y = 14
-    
-    game.vars.frame_count = 0
-    game.vars.move_speed = 10  -- Frames between moves
-    
-    -- Enable continuous frame updates
-    game.set_frame_updates(true)
-    
-    print("Snake Game initialized")
-end
-
--- Update game logic
-function update(event)
-    local state = game.vars.state
-    
-    -- State: MENU
-    if state == STATE_MENU then
-        if event.type == INPUT.TOUCH_DOWN or event.type == INPUT.BUTTON_0 or event.type == INPUT.BUTTON_1 then
-            game.vars.state = STATE_PLAYING
-            game.vars.score = 0
-            init_snake()
-            spawn_food()
-            return true
-        end
-    
-    -- State: PLAYING
-    elseif state == STATE_PLAYING then
-        -- Handle input for direction change
-        if event.type == INPUT.TOUCH_DOWN then
-            local head = game.vars.snake[1]
-            local head_screen_x = head.x * CELL_SIZE
-            local head_screen_y = head.y * CELL_SIZE
-            
-            local dx = event.x - head_screen_x
-            local dy = event.y - head_screen_y
-            
-            -- Change direction based on touch relative to head
-            if math.abs(dx) > math.abs(dy) then
-                if dx > 0 and game.vars.dir_x ~= -1 then
-                    game.vars.dir_x = 1
-                    game.vars.dir_y = 0
-                elseif dx < 0 and game.vars.dir_x ~= 1 then
-                    game.vars.dir_x = -1
-                    game.vars.dir_y = 0
-                end
-            else
-                if dy > 0 and game.vars.dir_y ~= -1 then
-                    game.vars.dir_x = 0
-                    game.vars.dir_y = 1
-                elseif dy < 0 and game.vars.dir_y ~= 1 then
-                    game.vars.dir_x = 0
-                    game.vars.dir_y = -1
-                end
-            end
-        end
-        
-        -- Move snake every N frames
-        game.vars.frame_count = game.vars.frame_count + 1
-        if game.vars.frame_count >= game.vars.move_speed then
-            game.vars.frame_count = 0
-            move_snake()
-            return true
-        end
-    
-    -- State: GAME_OVER
-    elseif state == STATE_GAME_OVER then
-        if event.type == INPUT.TOUCH_DOWN or event.type == INPUT.BUTTON_0 or event.type == INPUT.BUTTON_1 then
-            game.vars.state = STATE_MENU
-            return true
-        end
-    end
-    
-    return false
-end
-
--- Draw game
-function draw()
-    renderer.clear(false)
-    
-    local state = game.vars.state
-    
-    -- Draw: MENU
-    if state == STATE_MENU then
-        renderer.text(game.width() / 2 - 30, game.height() / 2 - 20, "SNAKE", true)
-        renderer.text(game.width() / 2 - 50, game.height() / 2, "Tap to Start", true)
-        
-        if game.vars.high_score > 0 then
-            local hs_text = "High: " .. tostring(game.vars.high_score)
-            renderer.text(game.width() / 2 - 30, game.height() / 2 + 20, hs_text, true)
-        end
-    
-    -- Draw: PLAYING
-    elseif state == STATE_PLAYING then
-        -- Draw snake
-        for i = 1, #game.vars.snake do
-            local seg = game.vars.snake[i]
-            local filled = (i == 1)  -- Head filled, body outline
-            renderer.rect(seg.x * CELL_SIZE, seg.y * CELL_SIZE, CELL_SIZE, CELL_SIZE, true, filled)
-        end
-        
-        -- Draw food
-        renderer.circle(game.vars.food_x * CELL_SIZE + CELL_SIZE / 2, 
-                       game.vars.food_y * CELL_SIZE + CELL_SIZE / 2, 
-                       CELL_SIZE / 2, true, true)
-        
-        -- Draw score
-        local score_text = "Score: " .. tostring(game.vars.score)
-        renderer.text(5, 5, score_text, true)
-    
-    -- Draw: GAME_OVER
-    elseif state == STATE_GAME_OVER then
-        renderer.text(game.width() / 2 - 40, game.height() / 2 - 20, "GAME OVER", true)
-        
-        local score_text = "Score: " .. tostring(game.vars.score)
-        renderer.text(game.width() / 2 - 40, game.height() / 2, score_text, true)
-        
-        renderer.text(game.width() / 2 - 60, game.height() / 2 + 20, "Tap to Continue", true)
-    end
-end
-
--- Helper: Initialize snake
-function init_snake()
-    game.vars.snake = {}
-    game.vars.snake[1] = {x = 20, y = 14}
-    game.vars.snake[2] = {x = 19, y = 14}
-    game.vars.snake[3] = {x = 18, y = 14}
-    game.vars.dir_x = 1
-    game.vars.dir_y = 0
-end
-
--- Helper: Spawn food at random position
-function spawn_food()
-    game.vars.food_x = math.random(0, GRID_W - 1)
-    game.vars.food_y = math.random(0, GRID_H - 1)
-end
-
--- Helper: Move snake
-function move_snake()
-    local head = game.vars.snake[1]
-    local new_head = {
-        x = head.x + game.vars.dir_x,
-        y = head.y + game.vars.dir_y
-    }
-    
-    -- Check wall collision
-    if new_head.x < 0 or new_head.x >= GRID_W or new_head.y < 0 or new_head.y >= GRID_H then
-        game_over()
-        return
-    end
-    
-    -- Check self collision
-    for i = 1, #game.vars.snake do
-        local seg = game.vars.snake[i]
-        if new_head.x == seg.x and new_head.y == seg.y then
-            game_over()
-            return
-        end
-    end
-    
-    -- Check food collision
-    local ate_food = false
-    if new_head.x == game.vars.food_x and new_head.y == game.vars.food_y then
-        ate_food = true
-        game.vars.score = game.vars.score + 10
-        spawn_food()
-        
-        -- Increase speed slightly
-        if game.vars.move_speed > 3 then
-            game.vars.move_speed = game.vars.move_speed - 1
-        end
-    end
-    
-    -- Move snake
-    table.insert(game.vars.snake, 1, new_head)
-    
-    if not ate_food then
-        table.remove(game.vars.snake)  -- Remove tail
-    end
-end
-
--- Helper: Game over
-function game_over()
-    game.vars.state = STATE_GAME_OVER
-    
-    if game.vars.score > game.vars.high_score then
-        game.vars.high_score = game.vars.score
-    end
-    
-    print("Game Over! Score: " .. game.vars.score)
-end

games/monopoly/DiceModalGame.h

@@ -1,198 +1,222 @@
 // DiceModalGame.h
 #pragma once
-#include "../../lib/game.h"
-#include "../../display/low_level_render.h"
 #include "../../display/low_level_gui.h"
-#include "input_manager.h"
+#include "../../display/low_level_render.h"
-#include "MonopolyBoardRenderer.h"
+#include "../../lib/game.h"
 #include "ModalButtonHelper.h"
-#include <stdlib.h>
+#include "MonopolyBoardRenderer.h"
+#include "input_manager.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 class DiceModalGame : public Game {
-    int dice1, dice2;
+  int dice1, dice2;
-    const BoardTile *from_tile, *to_tile;
+  const BoardTile *from_tile, *to_tile;
-    Player* players;
+  Player *players;
-    int players_count;
+  int players_count;
-    bool dismissed;
+  bool dismissed;
 
-    int from_pos;
+  int from_pos;
-    int correct_destination;
+  int correct_destination;
-    int options[3];
+  int options[3];
-    bool option_visible[3];
+  bool option_visible[3];
-    int selected_choice;
+  int selected_choice;
-    bool show_error;
+  bool show_error;
 
-    void draw_die(int x, int y, int size, int value) {
+  void draw_die(int x, int y, int size, int value) {
-        // Die base
+    // Die base
-        renderer->draw_rounded_rectangle(x, y, size, size, 4, true, false);
+    renderer->draw_rounded_rectangle(x, y, size, size, 4, true, false);
-        // Shadow (offset 2,2)
+    // Shadow (offset 2,2)
-        renderer->draw_line(x + size, y + 2, x + size, y + size, true);
+    renderer->draw_line(x + size, y + 2, x + size, y + size, true);
-        renderer->draw_line(x + 2, y + size, x + size, y + size, true);
+    renderer->draw_line(x + 2, y + size, x + size, y + size, true);
 
-        int dot_size = size / 6;
+    int dot_size = size / 6;
-        int m = size / 2;
+    int m = size / 2;
-        int l = size / 4;
+    int l = size / 4;
-        int r = 3 * size / 4;
+    int r = 3 * size / 4;
-        int t = size / 4;
+    int t = size / 4;
-        int b = 3 * size / 4;
+    int b = 3 * size / 4;
 
-        auto draw_dot = [&](int dx, int dy) {
+    auto draw_dot = [&](int dx, int dy) {
-            renderer->draw_filled_rectangle(x + dx - dot_size / 2, y + dy - dot_size / 2, dot_size, dot_size, true, 1);
+      renderer->draw_filled_rectangle(x + dx - dot_size / 2,
-        };
+                                      y + dy - dot_size / 2, dot_size, dot_size,
+                                      true, 1);
+    };
 
-        if (value % 2 == 1) draw_dot(m, m); // Center dot for 1, 3, 5
+    if (value % 2 == 1)
-        if (value > 1) {
+      draw_dot(m, m); // Center dot for 1, 3, 5
-            draw_dot(l, t);
+    if (value > 1) {
-            draw_dot(r, b);
+      draw_dot(l, t);
-        }
+      draw_dot(r, b);
-        if (value > 3) {
-            draw_dot(r, t);
-            draw_dot(l, b);
-        }
-        if (value == 6) {
-            draw_dot(l, m);
-            draw_dot(r, m);
-        }
     }
+    if (value > 3) {
+      draw_dot(r, t);
+      draw_dot(l, b);
+    }
+    if (value == 6) {
+      draw_dot(l, m);
+      draw_dot(r, m);
+    }
+  }
 
 public:
-    DiceModalGame(uint16_t width, uint16_t height, LowLevelRenderer* renderer, LowLevelGUI* gui, InputManager* input_manager, int d1, int d2, const BoardTile* from, const BoardTile* to, Player* p, int count)
+  DiceModalGame(uint16_t width, uint16_t height, LowLevelRenderer *renderer,
-        : Game(width, height, renderer, gui, input_manager), dice1(d1), dice2(d2), from_tile(from), to_tile(to), players(p), players_count(count), dismissed(false) {
+                LowLevelGUI *gui, InputManager *input_manager, int d1, int d2,
+                const BoardTile *from, const BoardTile *to, Player *p,
+                int count)
+      : Game(width, height, renderer, gui, input_manager), dice1(d1), dice2(d2),
+        from_tile(from), to_tile(to), players(p), players_count(count),
+        dismissed(false) {
 
-        // Find from_pos
+    // Find from_pos
-        from_pos = 0;
+    from_pos = 0;
-        for(int i=0; i<40; i++) {
+    for (int i = 0; i < 40; i++) {
-            if(&MONOPOLY_BOARD[i] == from_tile) {
+      if (&MONOPOLY_BOARD[i] == from_tile) {
-                from_pos = i;
+        from_pos = i;
-                break;
+        break;
-            }
+      }
-        }
+    }
-        correct_destination = (from_pos + dice1 + dice2) % BOARD_SIZE;
+    correct_destination = (from_pos + dice1 + dice2) % MONOPOLY_BOARD_SIZE;
-        selected_choice = -1;
+    selected_choice = -1;
-        show_error = false;
+    show_error = false;
-        for(int i=0; i<3; i++) option_visible[i] = true;
+    for (int i = 0; i < 3; i++)
+      option_visible[i] = true;
 
-        // Generate fake options
+    // Generate fake options
-        int fake1 = (from_pos + (rand() % 11 + 2)) % BOARD_SIZE;
+    int fake1 = (from_pos + (rand() % 11 + 2)) % MONOPOLY_BOARD_SIZE;
-        if (fake1 == correct_destination) fake1 = (fake1 + 1) % BOARD_SIZE;
+    if (fake1 == correct_destination)
+      fake1 = (fake1 + 1) % MONOPOLY_BOARD_SIZE;
 
-        int fake2 = (from_pos + (rand() % 11 + 2)) % BOARD_SIZE;
+    int fake2 = (from_pos + (rand() % 11 + 2)) % MONOPOLY_BOARD_SIZE;
-        while (fake2 == correct_destination || fake2 == fake1) {
+    while (fake2 == correct_destination || fake2 == fake1) {
-            fake2 = (from_pos + (rand() % 11 + 2)) % BOARD_SIZE;
+      fake2 = (from_pos + (rand() % 11 + 2)) % MONOPOLY_BOARD_SIZE;
-        }
-
-        int rand_pos = rand() % 3;
-        if (rand_pos == 0) {
-            options[0] = correct_destination;
-            options[1] = fake1;
-            options[2] = fake2;
-        } else if (rand_pos == 1) {
-            options[0] = fake1;
-            options[1] = correct_destination;
-            options[2] = fake2;
-        } else {
-            options[0] = fake1;
-            options[1] = fake2;
-            options[2] = correct_destination;
-        }
     }
 
-    void init() override { 
+    int rand_pos = rand() % 3;
-        dismissed = false; 
+    if (rand_pos == 0) {
-        selected_choice = -1;
+      options[0] = correct_destination;
-        show_error = false;
+      options[1] = fake1;
-        for(int i=0; i<3; i++) option_visible[i] = true;
+      options[2] = fake2;
-        ModalButtonHelper::set_monopoly_regions(input_manager, width, height);
+    } else if (rand_pos == 1) {
+      options[0] = fake1;
+      options[1] = correct_destination;
+      options[2] = fake2;
+    } else {
+      options[0] = fake1;
+      options[1] = fake2;
+      options[2] = correct_destination;
     }
-    Type get_type() const override { return Type::MONOPOLY_DICE; }
+  }
 
-    bool update(const InputEvent& event) override {
+  void init() override {
-        if (event.type == INPUT_BUTTON_0) { // Select
+    dismissed = false;
-            int start_choice = selected_choice;
+    selected_choice = -1;
-            do {
+    show_error = false;
-                selected_choice = (selected_choice + 1) % 3;
+    for (int i = 0; i < 3; i++)
-            } while (!option_visible[selected_choice] && selected_choice != start_choice);
+      option_visible[i] = true;
+    ModalButtonHelper::set_monopoly_regions(input_manager, width, height);
+  }
+  Type get_type() const override { return Type::MONOPOLY_DICE; }
 
-            show_error = false;
+  bool update(const InputEvent &event) override {
-            return true;
+    if (event.type == INPUT_BUTTON_0) { // Select
-        }
+      int start_choice = selected_choice;
+      do {
+        selected_choice = (selected_choice + 1) % 3;
+      } while (!option_visible[selected_choice] &&
+               selected_choice != start_choice);
 
-        if (event.type == INPUT_BUTTON_1) {
+      show_error = false;
-            if (selected_choice == -1 || !option_visible[selected_choice]) return false;
+      return true;
+    }
 
-            if (options[selected_choice] == correct_destination) {
+    if (event.type == INPUT_BUTTON_1) {
-                dismissed = true;
+      if (selected_choice == -1 || !option_visible[selected_choice])
-            } else {
-                option_visible[selected_choice] = false;
-                show_error = true;
-                selected_choice = -1;
-            }
-            return true;
-        }
         return false;
+
+      if (options[selected_choice] == correct_destination) {
+        dismissed = true;
+      } else {
+        option_visible[selected_choice] = false;
+        show_error = true;
+        selected_choice = -1;
+      }
+      return true;
     }
+    return false;
+  }
 
-    void draw() override {
+  void draw() override {
-        renderer->clear_buffer();
+    renderer->clear_buffer();
 
-        // Draw the restricted board perimeter
+    // Draw the restricted board perimeter
-        MonopolyBoardRenderer::draw_board_perimeter(renderer, width, height, players, players_count, -1, -1, from_pos, (from_pos + 12) % BOARD_SIZE);
+    MonopolyBoardRenderer::draw_board_perimeter(
+        renderer, width, height, players, players_count, -1, -1, from_pos,
+        (from_pos + 12) % MONOPOLY_BOARD_SIZE);
 
-        // --- Inner UI (Center Area) ---
+    // --- Inner UI (Center Area) ---
-        int cw = width / 7;
+    int cw = width / 7;
-        int ch = height / 7;
+    int ch = height / 7;
-        int ix = cw + 2;
+    int ix = cw + 2;
-        int iy = ch + 2;
+    int iy = ch + 2;
-        int iw = width - 2 * cw - 4;
+    int iw = width - 2 * cw - 4;
-        int ih = height - 2 * ch - 4;
+    int ih = height - 2 * ch - 4;
 
-        // Window background (White box)
+    // Window background (White box)
-        renderer->draw_filled_rectangle(ix, iy, iw, ih, false, 0); 
+    renderer->draw_filled_rectangle(ix, iy, iw, ih, false, 0);
-        renderer->draw_rectangle(ix, iy, iw, ih, true, 2);
+    renderer->draw_rectangle(ix, iy, iw, ih, true, 2);
-        renderer->draw_rectangle(ix + 3, iy + 3, iw - 6, ih - 6, true, 1);
+    renderer->draw_rectangle(ix + 3, iy + 3, iw - 6, ih - 6, true, 1);
 
-        // Header
+    // Header
-        renderer->draw_filled_rectangle(ix + 4, iy + 4, iw - 8, 30, true, 1);
+    renderer->draw_filled_rectangle(ix + 4, iy + 4, iw - 8, 30, true, 1);
+    renderer->set_text_color(false);
+    renderer->draw_string_scaled(
+        ix + (iw - (int)strlen("DICE CHALLENGE") * 12) / 2, iy + 10,
+        "DICE CHALLENGE", 2);
+    renderer->set_text_color(true);
+
+    // Dice
+    int dice_size = 40;
+    int dice_y = iy + 45;
+    draw_die(ix + 20, dice_y, dice_size, dice1);
+    draw_die(ix + 20 + dice_size + 10, dice_y, dice_size, dice2);
+
+    // --- Prompt ---
+    int prompt_y = dice_y + dice_size + 10;
+    renderer->draw_string_scaled(ix + 20, prompt_y, "WHERE WILL YOU LAND?", 1);
+
+    // --- Options ---
+    int opt_y = prompt_y + 20;
+    for (int i = 0; i < 3; i++) {
+      if (!option_visible[i]) {
+        opt_y += 25;
+        continue;
+      }
+      char opt_buf[64];
+      snprintf(opt_buf, sizeof(opt_buf), "%s %d: %s",
+               (selected_choice == i ? ">" : " "), i + 1,
+               MONOPOLY_BOARD[options[i]].name);
+
+      if (selected_choice == i)
+        renderer->draw_filled_rectangle(ix + 15, opt_y - 2, iw - 30, 22, true,
+                                        1);
+      if (selected_choice == i)
         renderer->set_text_color(false);
-        renderer->draw_string_scaled(ix + (iw - (int)strlen("DICE CHALLENGE") * 12) / 2, iy + 10, "DICE CHALLENGE", 2);
-        renderer->set_text_color(true);
 
-        // Dice
+      // Truncate name if too long
-        int dice_size = 40;
+      if (strlen(opt_buf) > 30)
-        int dice_y = iy + 45;
+        opt_buf[30] = '\0';
-        draw_die(ix + 20, dice_y, dice_size, dice1);
+      renderer->draw_string_scaled(ix + 20, opt_y, opt_buf, 2);
-        draw_die(ix + 20 + dice_size + 10, dice_y, dice_size, dice2);
+      renderer->set_text_color(true);
-
+      opt_y += 25;
-        // --- Prompt ---
-        int prompt_y = dice_y + dice_size + 10;
-        renderer->draw_string_scaled(ix + 20, prompt_y, "WHERE WILL YOU LAND?", 1);
-
-        // --- Options ---
-        int opt_y = prompt_y + 20;
-        for (int i = 0; i < 3; i++) {
-            if (!option_visible[i]) {
-                opt_y += 25;
-                continue;
-            }
-            char opt_buf[64];
-            snprintf(opt_buf, sizeof(opt_buf), "%s %d: %s", (selected_choice == i ? ">" : " "), i+1, MONOPOLY_BOARD[options[i]].name);
-            
-            if (selected_choice == i) renderer->draw_filled_rectangle(ix + 15, opt_y - 2, iw - 30, 22, true, 1);
-            if (selected_choice == i) renderer->set_text_color(false);
-            
-            // Truncate name if too long
-            if (strlen(opt_buf) > 30) opt_buf[30] = '\0';
-            renderer->draw_string_scaled(ix + 20, opt_y, opt_buf, 2);
-            renderer->set_text_color(true);
-            opt_y += 25;
-        }
-
-        if (show_error) {
-            renderer->draw_string_scaled(ix + (iw - 10 * 12) / 2, iy + ih - 30, "TRY AGAIN!", 2);
-        }
-
-        ModalButtonHelper::draw_virtual_buttons(renderer, input_manager);
     }
-    bool is_dismissed() const { return dismissed; }
+
+    if (show_error) {
+      renderer->draw_string_scaled(ix + (iw - 10 * 12) / 2, iy + ih - 30,
+                                   "TRY AGAIN!", 2);
+    }
+
+    ModalButtonHelper::draw_virtual_buttons(renderer, input_manager);
+  }
+  bool is_dismissed() const { return dismissed; }
 };

games/monopoly/MonopolyBoardRenderer.h

@@ -6,154 +6,197 @@
 
 class MonopolyBoardRenderer {
 public:
-    static void draw_tile(LowLevelRenderer* renderer, int x, int y, int w, int h, int index, bool is_corner, Player* players, int players_count, int orientation = 0, int currentPlayerPos = -1, int observer_idx = -1) {
+  static void draw_tile(LowLevelRenderer *renderer, int x, int y, int w, int h,
-        if (index < 0 || index >= BOARD_SIZE) return;
+                        int index, bool is_corner, Player *players,
+                        int players_count, int orientation = 0,
+                        int currentPlayerPos = -1, int observer_idx = -1) {
+    if (index < 0 || index >= MONOPOLY_BOARD_SIZE)
+      return;
 
-        // Find owner
+    // Find owner
-        int owner_id = -1;
+    int owner_id = -1;
-        for (int i = 0; i < players_count; i++) {
+    for (int i = 0; i < players_count; i++) {
-            for (int j = 0; j < players[i].property_count; j++) {
+      for (int j = 0; j < players[i].property_count; j++) {
-                if (players[i].properties_owned[j] == index) {
+        if (players[i].properties_owned[j] == index) {
-                    owner_id = i;
+          owner_id = i;
-                    break;
+          break;
-                }
-            }
-            if (owner_id != -1) break;
-        }
-
-        bool isInverted = false;
-        if (observer_idx != -1) {
-            isInverted = (owner_id == observer_idx);
-        } else {
-            isInverted = (index == currentPlayerPos);
-        }
-
-        if (isInverted) {
-            renderer->draw_filled_rectangle(x, y, w, h, true, 1);
-            renderer->set_text_color(false); // Black text on white background
-        } else {
-            renderer->draw_rectangle(x, y, w, h, true, 1);
-        }
-        
-        const BoardTile& tile = MONOPOLY_BOARD[index];
-        int content_x = x, content_y = y, content_w = w, content_h = h;
-
-        if (!is_corner && tile.type == TILE_PROPERTY) {
-            int bar_size = 10;
-            int bx = x, by = y, bw = w, bh = h;
-            
-            if (orientation == 0) { // Bottom row (Bar on top)
-                bh = bar_size;
-                content_y += bar_size; content_h -= bar_size;
-            } else if (orientation == 1) { // Left column (Bar on right)
-                bx = x + w - bar_size; bw = bar_size;
-                content_w -= bar_size;
-            } else if (orientation == 2) { // Top row (Bar on bottom)
-                by = y + h - bar_size; bh = bar_size;
-                content_h -= bar_size;
-            } else if (orientation == 3) { // Right column (Bar on left)
-                bw = bar_size;
-                content_x += bar_size; content_w -= bar_size;
-            }
-
-            if (isInverted) {
-                // Background is white, so bar is black
-                renderer->draw_filled_rectangle(bx, by, bw, bh, false, 0); 
-                renderer->set_text_color(true); // White text
-            } else {
-                renderer->draw_filled_rectangle(bx, by, bw, bh, true, 1);
-                renderer->set_text_color(false); // Black text
-            }
-            
-            // Group number
-            char gbuf[2] = { (char)('0' + tile.group[0]), '\0' };
-            renderer->draw_string_scaled(bx + (bw - 6) / 2, by + (bh - 8) / 2, gbuf, 1);
-            
-            if (isInverted) renderer->set_text_color(false); 
-            else renderer->set_text_color(true);
-        }
-
-        char short_name[10] = {0};
-        int s_ptr = 0;
-        bool isCurrentPos = (index == currentPlayerPos && observer_idx != -1);
-
-        if (isCurrentPos) short_name[s_ptr++] = '-';
-        
-        // Add * if owned by someone else
-        if (owner_id != -1 && observer_idx != -1 && owner_id != observer_idx) {
-            short_name[s_ptr++] = '*';
-        }
-
-        const char* full_name = tile.name;
-        if (is_corner) {
-            int len = strlen(full_name);
-            if (len > 3) len = 3;
-            for(int i=0; i<len; i++) short_name[s_ptr++] = full_name[i];
-        } else {
-            short_name[s_ptr++] = full_name[0];
-            const char* space = strchr(full_name, ' ');
-            if (space && space[1] != '\0') short_name[s_ptr++] = space[1];
-        }
-        
-        if (isCurrentPos) short_name[s_ptr++] = '-';
-        short_name[s_ptr] = '\0';
-
-        for (int i = 0; short_name[i]; i++) if(short_name[i] >= 'a' && short_name[i] <= 'z') short_name[i] -= 32;
-
-        renderer->draw_string_scaled(content_x + (content_w - (int)strlen(short_name) * 6) / 2, content_y + (content_h - 8) / 2, short_name, 1);
-
-        // Draw player markers
-        int p_count = 0;
-        for (int i = 0; i < players_count; ++i) {
-            if (players[i].position == index) {
-                char mark[2] = { (players[i].token ? players[i].token[0] : 'P'), '\0' };
-                renderer->draw_string_scaled(content_x + 2 + (p_count * 8), content_y + 2, mark, 1);
-                p_count++;
-            }
-        }
-
-        if (isInverted) {
-            renderer->set_text_color(true); 
         }
+      }
+      if (owner_id != -1)
+        break;
     }
 
-    static void draw_board_perimeter(LowLevelRenderer* renderer, int width, int height, Player* players, int players_count, int currentPlayerPos = -1, int observer_idx = -1, int limit_start = -1, int limit_end = -1) {
+    bool isInverted = false;
-        int cw = width / 7;   // Corner width
+    if (observer_idx != -1) {
-        int ch = height / 7;  // Corner height
+      isInverted = (owner_id == observer_idx);
-        int rw = (width - 2 * cw) / 9;  // Regular tile width
+    } else {
-        int rh = (height - 2 * ch) / 9; // Regular tile height
+      isInverted = (index == currentPlayerPos);
-
-        auto should_draw = [&](int index) {
-            if (limit_start == -1 || limit_end == -1) return true;
-            if (limit_start <= limit_end) {
-                return index >= limit_start && index <= limit_end;
-            } else {
-                return index >= limit_start || index <= limit_end;
-            }
-        };
-
-        // --- Bottom Row: 0 to 10 (Right to Left) ---
-        if (should_draw(0)) draw_tile(renderer, width - cw, height - ch, cw, ch, 0, true, players, players_count, 0, currentPlayerPos, observer_idx); // GO
-        for (int i = 1; i < 10; ++i) {
-            if (should_draw(i)) draw_tile(renderer, width - cw - i * rw, height - ch, rw, ch, i, false, players, players_count, 0, currentPlayerPos, observer_idx);
-        }
-        if (should_draw(10)) draw_tile(renderer, 0, height - ch, cw, ch, 10, true, players, players_count, 1, currentPlayerPos, observer_idx); // JAIL
-
-        // --- Left Column: 11 to 19 (Bottom to Top) ---
-        for (int i = 11; i < 20; ++i) {
-            if (should_draw(i)) draw_tile(renderer, 0, height - ch - (i - 10) * rh, cw, rh, i, false, players, players_count, 1, currentPlayerPos, observer_idx);
-        }
-
-        // --- Top Row: 20 to 30 (Left to Right) ---
-        if (should_draw(20)) draw_tile(renderer, 0, 0, cw, ch, 20, true, players, players_count, 2, currentPlayerPos, observer_idx); // FREE PARKING
-        for (int i = 21; i < 30; ++i) {
-            if (should_draw(i)) draw_tile(renderer, cw + (i - 21) * rw, 0, rw, ch, i, false, players, players_count, 2, currentPlayerPos, observer_idx);
-        }
-        if (should_draw(30)) draw_tile(renderer, width - cw, 0, cw, ch, 30, true, players, players_count, 3, currentPlayerPos, observer_idx); // GO TO JAIL
-
-        // --- Right Column: 31 to 39 (Top to Bottom) ---
-        for (int i = 31; i < 40; ++i) {
-            if (should_draw(i)) draw_tile(renderer, width - cw, ch + (i - 31) * rh, cw, rh, i, false, players, players_count, 3, currentPlayerPos, observer_idx);
-        }
     }
+
+    if (isInverted) {
+      renderer->draw_filled_rectangle(x, y, w, h, true, 1);
+      renderer->set_text_color(false); // Black text on white background
+    } else {
+      renderer->draw_rectangle(x, y, w, h, true, 1);
+    }
+
+    const BoardTile &tile = MONOPOLY_BOARD[index];
+    int content_x = x, content_y = y, content_w = w, content_h = h;
+
+    if (!is_corner && tile.type == TILE_PROPERTY) {
+      int bar_size = 10;
+      int bx = x, by = y, bw = w, bh = h;
+
+      if (orientation == 0) { // Bottom row (Bar on top)
+        bh = bar_size;
+        content_y += bar_size;
+        content_h -= bar_size;
+      } else if (orientation == 1) { // Left column (Bar on right)
+        bx = x + w - bar_size;
+        bw = bar_size;
+        content_w -= bar_size;
+      } else if (orientation == 2) { // Top row (Bar on bottom)
+        by = y + h - bar_size;
+        bh = bar_size;
+        content_h -= bar_size;
+      } else if (orientation == 3) { // Right column (Bar on left)
+        bw = bar_size;
+        content_x += bar_size;
+        content_w -= bar_size;
+      }
+
+      if (isInverted) {
+        // Background is white, so bar is black
+        renderer->draw_filled_rectangle(bx, by, bw, bh, false, 0);
+        renderer->set_text_color(true); // White text
+      } else {
+        renderer->draw_filled_rectangle(bx, by, bw, bh, true, 1);
+        renderer->set_text_color(false); // Black text
+      }
+
+      // Group number
+      char gbuf[2] = {(char)('0' + tile.group[0]), '\0'};
+      renderer->draw_string_scaled(bx + (bw - 6) / 2, by + (bh - 8) / 2, gbuf,
+                                   1);
+
+      if (isInverted)
+        renderer->set_text_color(false);
+      else
+        renderer->set_text_color(true);
+    }
+
+    char short_name[10] = {0};
+    int s_ptr = 0;
+    bool isCurrentPos = (index == currentPlayerPos && observer_idx != -1);
+
+    if (isCurrentPos)
+      short_name[s_ptr++] = '-';
+
+    // Add * if owned by someone else
+    if (owner_id != -1 && observer_idx != -1 && owner_id != observer_idx) {
+      short_name[s_ptr++] = '*';
+    }
+
+    const char *full_name = tile.name;
+    if (is_corner) {
+      int len = strlen(full_name);
+      if (len > 3)
+        len = 3;
+      for (int i = 0; i < len; i++)
+        short_name[s_ptr++] = full_name[i];
+    } else {
+      short_name[s_ptr++] = full_name[0];
+      const char *space = strchr(full_name, ' ');
+      if (space && space[1] != '\0')
+        short_name[s_ptr++] = space[1];
+    }
+
+    if (isCurrentPos)
+      short_name[s_ptr++] = '-';
+    short_name[s_ptr] = '\0';
+
+    for (int i = 0; short_name[i]; i++)
+      if (short_name[i] >= 'a' && short_name[i] <= 'z')
+        short_name[i] -= 32;
+
+    renderer->draw_string_scaled(
+        content_x + (content_w - (int)strlen(short_name) * 6) / 2,
+        content_y + (content_h - 8) / 2, short_name, 1);
+
+    // Draw player markers
+    int p_count = 0;
+    for (int i = 0; i < players_count; ++i) {
+      if (players[i].position == index) {
+        char mark[2] = {(players[i].token ? players[i].token[0] : 'P'), '\0'};
+        renderer->draw_string_scaled(content_x + 2 + (p_count * 8),
+                                     content_y + 2, mark, 1);
+        p_count++;
+      }
+    }
+
+    if (isInverted) {
+      renderer->set_text_color(true);
+    }
+  }
+
+  static void draw_board_perimeter(LowLevelRenderer *renderer, int width,
+                                   int height, Player *players,
+                                   int players_count, int currentPlayerPos = -1,
+                                   int observer_idx = -1, int limit_start = -1,
+                                   int limit_end = -1) {
+    int cw = width / 7;             // Corner width
+    int ch = height / 7;            // Corner height
+    int rw = (width - 2 * cw) / 9;  // Regular tile width
+    int rh = (height - 2 * ch) / 9; // Regular tile height
+
+    auto should_draw = [&](int index) {
+      if (limit_start == -1 || limit_end == -1)
+        return true;
+      if (limit_start <= limit_end) {
+        return index >= limit_start && index <= limit_end;
+      } else {
+        return index >= limit_start || index <= limit_end;
+      }
+    };
+
+    // --- Bottom Row: 0 to 10 (Right to Left) ---
+    if (should_draw(0))
+      draw_tile(renderer, width - cw, height - ch, cw, ch, 0, true, players,
+                players_count, 0, currentPlayerPos, observer_idx); // GO
+    for (int i = 1; i < 10; ++i) {
+      if (should_draw(i))
+        draw_tile(renderer, width - cw - i * rw, height - ch, rw, ch, i, false,
+                  players, players_count, 0, currentPlayerPos, observer_idx);
+    }
+    if (should_draw(10))
+      draw_tile(renderer, 0, height - ch, cw, ch, 10, true, players,
+                players_count, 1, currentPlayerPos, observer_idx); // JAIL
+
+    // --- Left Column: 11 to 19 (Bottom to Top) ---
+    for (int i = 11; i < 20; ++i) {
+      if (should_draw(i))
+        draw_tile(renderer, 0, height - ch - (i - 10) * rh, cw, rh, i, false,
+                  players, players_count, 1, currentPlayerPos, observer_idx);
+    }
+
+    // --- Top Row: 20 to 30 (Left to Right) ---
+    if (should_draw(20))
+      draw_tile(renderer, 0, 0, cw, ch, 20, true, players, players_count, 2,
+                currentPlayerPos, observer_idx); // FREE PARKING
+    for (int i = 21; i < 30; ++i) {
+      if (should_draw(i))
+        draw_tile(renderer, cw + (i - 21) * rw, 0, rw, ch, i, false, players,
+                  players_count, 2, currentPlayerPos, observer_idx);
+    }
+    if (should_draw(30))
+      draw_tile(renderer, width - cw, 0, cw, ch, 30, true, players,
+                players_count, 3, currentPlayerPos, observer_idx); // GO TO JAIL
+
+    // --- Right Column: 31 to 39 (Top to Bottom) ---
+    for (int i = 31; i < 40; ++i) {
+      if (should_draw(i))
+        draw_tile(renderer, width - cw, ch + (i - 31) * rh, cw, rh, i, false,
+                  players, players_count, 3, currentPlayerPos, observer_idx);
+    }
+  }
 };

games/monopoly/monopoly_board.h

@@ -5,72 +5,232 @@
 #include <stdbool.h>
 
 typedef enum {
-    TILE_GO,
+  TILE_GO,
-    TILE_PROPERTY,
+  TILE_PROPERTY,
-    TILE_COMMUNITY_CHEST,
+  TILE_COMMUNITY_CHEST,
-    TILE_TAX,
+  TILE_TAX,
-    TILE_RAILROAD,
+  TILE_RAILROAD,
-    TILE_CHANCE,
+  TILE_CHANCE,
-    TILE_JAIL,
+  TILE_JAIL,
-    TILE_UTILITY,
+  TILE_UTILITY,
-    TILE_FREE_PARKING,
+  TILE_FREE_PARKING,
-    TILE_GO_TO_JAIL
+  TILE_GO_TO_JAIL
 } TileType;
 
 typedef struct {
-    const char* name;
+  const char *name;
-    TileType type;
+  TileType type;
-    bool is_corner;
+  bool is_corner;
-    int cost;           // 0 if not applicable
+  int cost;          // 0 if not applicable
-    const char* color;  // Hex string, NULL if not property
+  const char *color; // Hex string, NULL if not property
-    int rent[6];        // Base, 1H, 2H, 3H, 4H, Hotel
+  int rent[6];       // Base, 1H, 2H, 3H, 4H, Hotel
-    int group[3];       // Group ID, Position in group, Total in group
+  int group[3];      // Group ID, Position in group, Total in group
-    int house_cost;     // Cost to build
+  int house_cost;    // Cost to build
 } BoardTile;
 
-#define BOARD_SIZE 40
+#define MONOPOLY_BOARD_SIZE 40
 
-static const BoardTile MONOPOLY_BOARD[BOARD_SIZE] = {
+static const BoardTile MONOPOLY_BOARD[MONOPOLY_BOARD_SIZE] = {
     {"Go", TILE_GO, true, 0, NULL, {0}, {0}, 0},
-    {"Mediterranean Avenue", TILE_PROPERTY, false, 60, "#955438", {2, 10, 30, 90, 160, 250}, {1, 1, 2}, 50},
+    {"Mediterranean Avenue",
+     TILE_PROPERTY,
+     false,
+     60,
+     "#955438",
+     {2, 10, 30, 90, 160, 250},
+     {1, 1, 2},
+     50},
     {"Community Chest", TILE_COMMUNITY_CHEST, false, 0, NULL, {0}, {0}, 0},
-    {"Baltic Avenue", TILE_PROPERTY, false, 60, "#955438", {4, 20, 60, 180, 320, 450}, {1, 2, 2}, 50},
+    {"Baltic Avenue",
+     TILE_PROPERTY,
+     false,
+     60,
+     "#955438",
+     {4, 20, 60, 180, 320, 450},
+     {1, 2, 2},
+     50},
     {"Income Tax", TILE_TAX, false, 200, NULL, {0}, {0}, 0},
     {"Reading Railroad", TILE_RAILROAD, false, 200, NULL, {0}, {9, 1, 4}, 0},
-    {"Rhode Island Avenue", TILE_PROPERTY, false, 100, "#aae0fa", {6, 30, 90, 270, 400, 550}, {2, 1, 3}, 50},
+    {"Rhode Island Avenue",
+     TILE_PROPERTY,
+     false,
+     100,
+     "#aae0fa",
+     {6, 30, 90, 270, 400, 550},
+     {2, 1, 3},
+     50},
     {"Chance", TILE_CHANCE, false, 0, NULL, {0}, {0}, 0},
-    {"Vermont Avenue", TILE_PROPERTY, false, 100, "#aae0fa", {6, 30, 90, 270, 400, 550}, {2, 2, 3}, 50},
+    {"Vermont Avenue",
-    {"Connecticut Avenue", TILE_PROPERTY, false, 120, "#aae0fa", {8, 40, 100, 300, 450, 600}, {2, 3, 3}, 50},
+     TILE_PROPERTY,
+     false,
+     100,
+     "#aae0fa",
+     {6, 30, 90, 270, 400, 550},
+     {2, 2, 3},
+     50},
+    {"Connecticut Avenue",
+     TILE_PROPERTY,
+     false,
+     120,
+     "#aae0fa",
+     {8, 40, 100, 300, 450, 600},
+     {2, 3, 3},
+     50},
     {"Jail", TILE_JAIL, true, 0, NULL, {0}, {0}, 0},
-    {"St. Charles Place", TILE_PROPERTY, false, 140, "#d93a96", {10, 50, 150, 450, 625, 750}, {3, 1, 3}, 100},
+    {"St. Charles Place",
+     TILE_PROPERTY,
+     false,
+     140,
+     "#d93a96",
+     {10, 50, 150, 450, 625, 750},
+     {3, 1, 3},
+     100},
     {"Electric Company", TILE_UTILITY, false, 150, NULL, {0}, {10, 1, 2}, 0},
-    {"States Avenue", TILE_PROPERTY, false, 140, "#d93a96", {10, 50, 150, 450, 625, 750}, {3, 2, 3}, 100},
+    {"States Avenue",
-    {"Virginia Avenue", TILE_PROPERTY, false, 160, "#d93a96", {12, 60, 180, 500, 700, 900}, {3, 3, 3}, 100},
+     TILE_PROPERTY,
-    {"Pennsylvania Railroad", TILE_RAILROAD, false, 200, NULL, {0}, {9, 2, 4}, 0},
+     false,
-    {"St. James Place", TILE_PROPERTY, false, 180, "#f7941d", {14, 70, 200, 550, 750, 950}, {4, 1, 3}, 100},
+     140,
+     "#d93a96",
+     {10, 50, 150, 450, 625, 750},
+     {3, 2, 3},
+     100},
+    {"Virginia Avenue",
+     TILE_PROPERTY,
+     false,
+     160,
+     "#d93a96",
+     {12, 60, 180, 500, 700, 900},
+     {3, 3, 3},
+     100},
+    {"Pennsylvania Railroad",
+     TILE_RAILROAD,
+     false,
+     200,
+     NULL,
+     {0},
+     {9, 2, 4},
+     0},
+    {"St. James Place",
+     TILE_PROPERTY,
+     false,
+     180,
+     "#f7941d",
+     {14, 70, 200, 550, 750, 950},
+     {4, 1, 3},
+     100},
     {"Community Chest", TILE_COMMUNITY_CHEST, false, 0, NULL, {0}, {0}, 0},
-    {"Tennessee Avenue", TILE_PROPERTY, false, 180, "#f7941d", {14, 70, 200, 550, 750, 950}, {4, 2, 3}, 100},
+    {"Tennessee Avenue",
-    {"New York Avenue", TILE_PROPERTY, false, 200, "#f7941d", {16, 80, 220, 600, 800, 1000}, {4, 3, 3}, 100},
+     TILE_PROPERTY,
+     false,
+     180,
+     "#f7941d",
+     {14, 70, 200, 550, 750, 950},
+     {4, 2, 3},
+     100},
+    {"New York Avenue",
+     TILE_PROPERTY,
+     false,
+     200,
+     "#f7941d",
+     {16, 80, 220, 600, 800, 1000},
+     {4, 3, 3},
+     100},
     {"Free Parking", TILE_FREE_PARKING, true, 0, NULL, {0}, {0}, 0},
-    {"Kentucky Avenue", TILE_PROPERTY, false, 220, "#ed1b24", {18, 90, 250, 700, 875, 1050}, {5, 1, 3}, 150},
+    {"Kentucky Avenue",
+     TILE_PROPERTY,
+     false,
+     220,
+     "#ed1b24",
+     {18, 90, 250, 700, 875, 1050},
+     {5, 1, 3},
+     150},
     {"Chance", TILE_CHANCE, false, 0, NULL, {0}, {0}, 0},
-    {"Indiana Avenue", TILE_PROPERTY, false, 220, "#ed1b24", {18, 90, 250, 700, 875, 1050}, {5, 2, 3}, 150},
+    {"Indiana Avenue",
-    {"Illinois Avenue", TILE_PROPERTY, false, 240, "#ed1b24", {20, 100, 300, 750, 925, 1100}, {5, 3, 3}, 150},
+     TILE_PROPERTY,
+     false,
+     220,
+     "#ed1b24",
+     {18, 90, 250, 700, 875, 1050},
+     {5, 2, 3},
+     150},
+    {"Illinois Avenue",
+     TILE_PROPERTY,
+     false,
+     240,
+     "#ed1b24",
+     {20, 100, 300, 750, 925, 1100},
+     {5, 3, 3},
+     150},
     {"B. & O. Railroad", TILE_RAILROAD, false, 200, NULL, {0}, {9, 3, 4}, 0},
-    {"Atlantic Avenue", TILE_PROPERTY, false, 260, "#fef200", {22, 110, 330, 800, 975, 1150}, {6, 1, 3}, 150},
+    {"Atlantic Avenue",
-    {"Ventnor Avenue", TILE_PROPERTY, false, 260, "#fef200", {22, 110, 330, 800, 975, 1150}, {6, 2, 3}, 150},
+     TILE_PROPERTY,
+     false,
+     260,
+     "#fef200",
+     {22, 110, 330, 800, 975, 1150},
+     {6, 1, 3},
+     150},
+    {"Ventnor Avenue",
+     TILE_PROPERTY,
+     false,
+     260,
+     "#fef200",
+     {22, 110, 330, 800, 975, 1150},
+     {6, 2, 3},
+     150},
     {"Water Works", TILE_UTILITY, false, 150, NULL, {0}, {10, 2, 2}, 0},
-    {"Marvin Gardens", TILE_PROPERTY, false, 280, "#fef200", {24, 120, 360, 850, 1025, 1200}, {6, 3, 3}, 150},
+    {"Marvin Gardens",
+     TILE_PROPERTY,
+     false,
+     280,
+     "#fef200",
+     {24, 120, 360, 850, 1025, 1200},
+     {6, 3, 3},
+     150},
     {"Go To Jail", TILE_GO_TO_JAIL, true, 0, NULL, {0}, {0}, 0},
-    {"Pacific Avenue", TILE_PROPERTY, false, 300, "#1fb25a", {26, 130, 390, 900, 1100, 1275}, {7, 1, 3}, 200},
+    {"Pacific Avenue",
-    {"North Carolina Avenue", TILE_PROPERTY, false, 300, "#1fb25a", {26, 130, 390, 900, 1100, 1275}, {7, 2, 3}, 200},
+     TILE_PROPERTY,
+     false,
+     300,
+     "#1fb25a",
+     {26, 130, 390, 900, 1100, 1275},
+     {7, 1, 3},
+     200},
+    {"North Carolina Avenue",
+     TILE_PROPERTY,
+     false,
+     300,
+     "#1fb25a",
+     {26, 130, 390, 900, 1100, 1275},
+     {7, 2, 3},
+     200},
     {"Community Chest", TILE_COMMUNITY_CHEST, false, 0, NULL, {0}, {0}, 0},
-    {"Pennsylvania Avenue", TILE_PROPERTY, false, 320, "#1fb25a", {28, 150, 450, 1000, 1200, 1400}, {7, 3, 3}, 200},
+    {"Pennsylvania Avenue",
+     TILE_PROPERTY,
+     false,
+     320,
+     "#1fb25a",
+     {28, 150, 450, 1000, 1200, 1400},
+     {7, 3, 3},
+     200},
     {"Short Line", TILE_RAILROAD, false, 200, NULL, {0}, {9, 4, 4}, 0},
     {"Chance", TILE_CHANCE, false, 0, NULL, {0}, {0}, 0},
-    {"Park Place", TILE_PROPERTY, false, 350, "#0072bb", {35, 175, 500, 1100, 1300, 1500}, {8, 1, 2}, 200},
+    {"Park Place",
+     TILE_PROPERTY,
+     false,
+     350,
+     "#0072bb",
+     {35, 175, 500, 1100, 1300, 1500},
+     {8, 1, 2},
+     200},
     {"Luxury Tax", TILE_TAX, false, 100, NULL, {0}, {0}, 0},
-    {"Boardwalk", TILE_PROPERTY, false, 400, "#0072bb", {50, 200, 600, 1400, 1700, 2000}, {8, 2, 2}, 200}
+    {"Boardwalk",
-};
+     TILE_PROPERTY,
+     false,
+     400,
+     "#0072bb",
+     {50, 200, 600, 1400, 1700, 2000},
+     {8, 2, 2},
+     200}};
 
 #endif

lib/ft6336u/ft6336u.c

@@ -27,8 +27,9 @@ static bool ft6336u_read_reg(uint8_t reg, uint8_t *value) {
             continue;
         }
         
-        // Add delay after write, before read (like Arduino library does)
+        // Short settle time between register address write and read.
-        sleep_us(10000);  // 10ms delay
+        // 10ms here heavily throttles touch sampling during hold/move.
+        sleep_us(100);  // 0.1ms
         
         result = i2c_read_blocking(g_config->i2c, FT6336U_ADDR, value, 1, false);
         if (result == 1) {
@@ -50,8 +51,9 @@ static bool ft6336u_read_regs(uint8_t reg, uint8_t *buf, size_t len) {
             continue;
         }
         
-        // Add delay after write, before read (like Arduino library does)
+        // Short settle time between register address write and read.
-        sleep_us(10000);  // 10ms delay
+        // 10ms here heavily throttles touch sampling during hold/move.
+        sleep_us(100);  // 0.1ms
         
         result = i2c_read_blocking(g_config->i2c, FT6336U_ADDR, buf, len, false);
         if (result == (int)len) {
@@ -143,11 +145,6 @@ bool ft6336u_init(const ft6336u_config_t *config) {
         printf("[FT6336U] WARNING: Failed to set CTRL mode\n");
     }
     
-    // Enable polling mode - INT pin stays LOW while touched, goes HIGH when released
-    printf("[FT6336U] Enabling polling mode...\n");
-    if (!ft6336u_write_reg(FT6336U_REG_G_MODE, FT6336U_G_MODE_POLLING)) {
-        printf("[FT6336U] WARNING: Failed to set G_MODE\n");
-    }
     
     // Configure gesture parameters for better detection
     printf("[FT6336U] Configuring gesture detection parameters...\n");

lib/game_launcher.cpp

@@ -129,6 +129,7 @@ bool GameLauncher::update(const InputEvent& event) {
                 if (event.y >= y - 5 && event.y < y + MENU_ITEM_HEIGHT - 5) {
                     // Game selected - create instance
                     printf("Selected game: %s\n", games[i].name);
+                    selected_index = i;
                     selected_game = games[i].factory(width, height, renderer, gui, input_manager);
                     if (selected_game) {
                         selected_game->init();
@@ -298,6 +299,30 @@ bool GameLauncher::select_game_by_name(const char* name) {
     return false;
 }
 
+bool GameLauncher::restart_selected_game() {
+    if (selected_index < 0 || selected_index >= (int)games.size()) {
+        return false;
+    }
+
+    if (selected_game) {
+        delete selected_game;
+        selected_game = nullptr;
+    }
+
+    selected_game = games[selected_index].factory(width, height, renderer, gui, input_manager);
+    if (!selected_game) {
+        return false;
+    }
+
+    selected_game->init();
+    current_page = selected_index / GAMES_PER_PAGE;
+    return true;
+}
+
+void GameLauncher::return_to_menu() {
+    reset();
+}
+
 int GameLauncher::get_total_pages() const {
     if (games.empty()) return 1;
     return (games.size() + GAMES_PER_PAGE - 1) / GAMES_PER_PAGE;

lib/game_launcher.h

@@ -97,6 +97,17 @@ public:
      */
     bool select_game_by_name(const char* name);
 
+    /**
+     * @brief Restart the currently selected game.
+     * @return true if restart succeeded, false otherwise
+     */
+    bool restart_selected_game();
+
+    /**
+     * @brief Exit current game and return to launcher menu.
+     */
+    void return_to_menu();
+
 private:
     uint16_t width;
     uint16_t height;

lib/input_manager.cpp

@@ -10,7 +10,6 @@
 
 // External interrupt flags from basic1.cpp
 extern volatile bool touch_interrupt_flag;
-extern volatile bool touch_event_down;
 extern volatile bool button_key0_pressed;
 extern volatile bool button_key1_pressed;
 
@@ -41,71 +40,80 @@ bool InputManager::has_buttons() const {
 
 InputEvent InputManager::process_touch_input(uint32_t* last_time) {
     InputEvent event = {INPUT_NONE, 0, 0, 0, 0, 0, false};
+    const uint32_t now = to_ms_since_boot(get_absolute_time());
+    static constexpr uint32_t ACTIVE_TOUCH_SAMPLE_INTERVAL_MS = 8;
     
-    // Check if touch interrupt flag is set
+    // Process immediately on IRQ, and continue sampling while a touch is active.
-    if (!touch_interrupt_flag) {
+    // Some controllers only IRQ on edge transitions, so move events require polling.
+    if (!touch_interrupt_flag && *last_time == 0) {
         return event;  // No touch event
     }
 
-    printf("Processing touch: flag=%d, event_down=%d\n", touch_interrupt_flag, touch_event_down);
+    // While a touch session is active, avoid reading touch hardware every loop
+    // iteration. IRQ edges (down/up) still bypass this throttle for responsiveness.
+    if (!touch_interrupt_flag && *last_time != 0) {
+        uint32_t elapsed = now - last_touch_sample_ms;
+        if (elapsed < ACTIVE_TOUCH_SAMPLE_INTERVAL_MS) {
+            return event;
+        }
+    }
 
-    // Don't clear the flag yet - we may still be processing continuous touch
+    // Always validate via controller state instead of relying on edge flag alone.
-    
+    // Edge chatter can flip touch_event_down without a real touch transition.
-    // Check if touch is active
+    TouchData touch_data;
-    if (!touch_event_down) {
+    if (!touch || !touch->read_touch(&touch_data)) {
-        // Touch released - reset timing for next touch
+        last_touch_sample_ms = now;
         touch_interrupt_flag = false;
-        *last_time = 0;  // Reset so next touch is treated as new touch-down
-        event.type = INPUT_TOUCH_UP;
-        event.valid = true;
-        printf("Touch UP\n");
         return event;
     }
 
-    // Touch is down - check debounce timing
+    last_touch_sample_ms = now;
-    uint32_t now = to_ms_since_boot(get_absolute_time());
-    if (now - *last_time < config->touch_debounce_ms) {
-        return event;  // Too soon, skip
-    }
-    
-    // Read touch data
-    TouchData touch_data;
-    if (!touch || !touch->read_touch(&touch_data)) {
-        // Clear flag even if read failed to prevent getting stuck
-        touch_interrupt_flag = false;
-        printf("Touch read FAILED\n");
-        return event;  // Read failed
-    }
-    
-    // Clear the interrupt flag after successfully reading touch data
-    // This allows the next touch interrupt to be detected
     touch_interrupt_flag = false;
 
-    printf("Touch DOWN at (%d,%d)\n", touch_data.points[0].x, touch_data.points[0].y);
+    // No active touch points: require consecutive empty reads before release to
+    // avoid false TOUCH_UP events from transient controller jitter.
+    if (touch_data.touch_count == 0) {
+        if (*last_time != 0) {
+            no_touch_samples++;
+            if (no_touch_samples >= 2) {
+                *last_time = 0;
+                last_touch_sample_ms = 0;
+                no_touch_samples = 0;
+                event.type = INPUT_TOUCH_UP;
+                event.valid = true;
+            }
+        }
+        return event;
+    }
+    no_touch_samples = 0;
 
-    // Populate event structure
+    // Debounce touch-down/move updates.
+    if (*last_time != 0 && (now - *last_time) < config->touch_debounce_ms) {
+        return event;
+    }
+
+    // Populate event from first touch point.
     event.x = touch_data.points[0].x;
     event.y = touch_data.points[0].y;
     event.pressure = touch_data.points[0].pressure;
     event.gesture_code = touch_data.gesture;
     event.valid = true;
 
-    // Determine event type
     if (*last_time == 0) {
         event.type = INPUT_TOUCH_DOWN;
 
-        // Check for virtual buttons
         InputType virtual_type;
         if (check_virtual_buttons(event.x, event.y, virtual_type)) {
             event.type = virtual_type;
             event.button_id = (virtual_type == INPUT_BUTTON_0) ? 0 : 1;
-            printf("Virtual button %d pressed via touch\n", event.button_id);
+            if (config->debug_verbose) {
+                printf("Virtual button %d pressed via touch\n", event.button_id);
+            }
         }
     } else {
         event.type = INPUT_TOUCH_MOVE;
     }
 
-    // Handle gesture events
     if (config->enable_gestures && touch_data.gesture != 0) {
         event.type = INPUT_GESTURE;
         if (config->debug_verbose) {

lib/input_manager.h

@@ -37,9 +37,9 @@ public:
     InputManager(LowLevelTouch* touch, const GameConfig* config);
     
     /**
-     * @brief Process touch input from controller
+     * @brief Process touch input using hybrid IRQ + active-session sampling.
-     * @param last_time Pointer to last touch timestamp for debouncing
+     * @param last_time Pointer to last touch timestamp (0 means no active touch session)
-     * @return InputEvent (valid=false if no valid input)
+     * @return InputEvent (valid=false if no state change/update is emitted)
      */
     InputEvent process_touch_input(uint32_t* last_time);
     
@@ -97,6 +97,11 @@ public:
 private:
     LowLevelTouch* touch;
     const GameConfig* config;
+    // Last time we sampled touch over I2C while a touch session is active.
+    uint32_t last_touch_sample_ms = 0;
+    // Consecutive touch_count==0 samples while a touch session is active.
+    // Used to suppress false TOUCH_UP events from transient touch controller jitter.
+    uint8_t no_touch_samples = 0;
     
     // Virtual button regions
     int v_button_a[4] = {0, 0, 0, 0}; // [x, y, w, h]

lib/scene_stack.h

@@ -0,0 +1,45 @@
+#ifndef SCENE_STACK_H
+#define SCENE_STACK_H
+
+#include <vector>
+
+enum class SceneId {
+    LAUNCHER = 0,
+    GAME,
+    IN_GAME_MENU
+};
+
+class SceneStack {
+public:
+    SceneStack() {
+        stack.push_back(SceneId::LAUNCHER);
+    }
+
+    SceneId current() const {
+        return stack.empty() ? SceneId::LAUNCHER : stack.back();
+    }
+
+    bool is(SceneId scene) const {
+        return current() == scene;
+    }
+
+    void push(SceneId scene) {
+        stack.push_back(scene);
+    }
+
+    void pop() {
+        if (stack.size() > 1) {
+            stack.pop_back();
+        }
+    }
+
+    void clear_to_launcher() {
+        stack.clear();
+        stack.push_back(SceneId::LAUNCHER);
+    }
+
+private:
+    std::vector<SceneId> stack;
+};
+
+#endif // SCENE_STACK_H

lib/sd_card/sd_card.c

@@ -5,6 +5,7 @@
 #include "sd_card.h"
 #include "hardware/gpio.h"
 #include "board_config.h"
+#include "shared_spi_bus.h"
 #include "ff.h"  // FatFS
 #include <string.h>
 #include <stdio.h>
@@ -431,6 +432,9 @@ bool sd_card_init_with_board_config(void) {
 uint sd_card_set_spi_speed(void) {
     if (!g_config) return 0;
 
+    // SD file operations run with exclusive ownership of shared SPI bus.
+    shared_spi_bus_lock();
+
     // Save current speed and set to SD card speed
     uint current_speed = spi_get_baudrate(g_config->spi);
     spi_set_baudrate(g_config->spi, 12500 * 1000);  // 12.5 MHz for SD card
@@ -438,8 +442,18 @@ uint sd_card_set_spi_speed(void) {
 }
 
 void sd_card_restore_spi_speed(uint baudrate) {
-    if (!g_config || baudrate == 0) return;
+    if (!g_config) {
-    spi_set_baudrate(g_config->spi, baudrate);
+        shared_spi_bus_unlock();
+        return;
+    }
+
+    if (baudrate != 0) {
+        spi_set_baudrate(g_config->spi, baudrate);
+    }
+
+    // Leave SD deselected before releasing bus.
+    gpio_put(g_config->gpio_cs, 1);
+    shared_spi_bus_unlock();
 }
 
 bool sd_card_test_fatfs(void) {

lib/serial_uploader.cpp

@@ -173,7 +173,7 @@ bool SerialUploader::complete_launch() {
     return launched;
 }
 
-bool SerialUploader::process() {
+bool SerialUploader::process(bool spi_busy) {
     if (state == IDLE) {
         // Check for "UPLOAD" command
         int c = getchar_timeout_us(0);
@@ -311,6 +311,9 @@ bool SerialUploader::process() {
     }
 
     if (state == WRITING_FILE) {
+        // Wait if SPI bus is busy (e.g. display refresh in progress on other core)
+        if (spi_busy) return false;
+
         if (write_file_to_sd()) {
             state = LAUNCHING_GAME;
             // Prepare for launch by scanning games, but don't actually launch yet

lib/serial_uploader.h

@@ -12,7 +12,8 @@ public:
 
     // Process incoming serial data (call this frequently in main loop)
     // Returns true if a game was launched
-    bool process();
+    // spi_busy: set to true if SPI bus is currently in use by another core (e.g. display refresh)
+    bool process(bool spi_busy = false);
 
     // Check if uploader wants to launch a game (after upload complete)
     bool wants_to_launch_game() const { return state == LAUNCHING_GAME; }

lib/shared_spi_bus.c

@@ -0,0 +1,65 @@
+#include "shared_spi_bus.h"
+#include "pico/mutex.h"
+#include "pico/multicore.h"
+#include <stdbool.h>
+
+static mutex_t g_spi_bus_mutex;
+static bool g_spi_bus_initialized = false;
+static uint32_t g_core_depth[2] = {0, 0};
+
+void shared_spi_bus_init(void) {
+    if (g_spi_bus_initialized) {
+        return;
+    }
+
+    mutex_init(&g_spi_bus_mutex);
+    g_spi_bus_initialized = true;
+}
+
+void shared_spi_bus_lock(void) {
+    if (!g_spi_bus_initialized) {
+        shared_spi_bus_init();
+    }
+
+    int core = get_core_num();
+    if (core < 0 || core > 1) {
+        core = 0;
+    }
+
+    // Re-entrant lock on same core (needed for nested SD helpers).
+    if (g_core_depth[core] > 0) {
+        g_core_depth[core]++;
+        return;
+    }
+
+    mutex_enter_blocking(&g_spi_bus_mutex);
+    g_core_depth[core] = 1;
+}
+
+void shared_spi_bus_unlock(void) {
+    if (!g_spi_bus_initialized) {
+        return;
+    }
+
+    int core = get_core_num();
+    if (core < 0 || core > 1) {
+        core = 0;
+    }
+
+    if (g_core_depth[core] == 0) {
+        return;
+    }
+
+    g_core_depth[core]--;
+    if (g_core_depth[core] == 0) {
+        mutex_exit(&g_spi_bus_mutex);
+    }
+}
+
+void shared_spi_bus_force_recover(void) {
+    // Used after Core1 reset to avoid stale mutex/depth state.
+    mutex_init(&g_spi_bus_mutex);
+    g_core_depth[0] = 0;
+    g_core_depth[1] = 0;
+    g_spi_bus_initialized = true;
+}

lib/shared_spi_bus.h

@@ -0,0 +1,18 @@
+#ifndef SHARED_SPI_BUS_H
+#define SHARED_SPI_BUS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Cross-core SPI bus lock for shared SD/display SPI usage.
+void shared_spi_bus_init(void);
+void shared_spi_bus_lock(void);
+void shared_spi_bus_unlock(void);
+void shared_spi_bus_force_recover(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SHARED_SPI_BUS_H

screenlog.0

@@ -1,528 +0,0 @@
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (215,122)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (203,137)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (312,131)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (355,140)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (376,273)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (357,277)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (323,258)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (321,261)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (89,291)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (327,264)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (315,250)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (262,151)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (319,150)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-Long press detected - returning to launcher
-Launcher reset - returning to menu
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (358,157)
-Touch at (358,157) in launcher
-Selected game: Snake Game
-Lua bindings registered
-LuaGame Error [load script]: [string "/games/SNAKE.LUA"]:113: unexpected symbol near ','
-LuaGame: Failed to load /games/SNAKE.LUA: load script: [string "/games/SNAKE.LUA"]:113: unexpected symbol near ','
-Game launched successfully
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (164,97)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (194,215)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (288,289)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (285,169)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (255,117)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (168,100)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-Long press detected - returning to launcher
-Launcher reset - returning to menu
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (424,264)
-Touch at (424,264) in launcher
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (389,237)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (392,247)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (399,249)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (138,49)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (125,111)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (80,146)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (125,37)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (100,73)
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (82,154)
-INT: RISE
-INT: FALL
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (120,255)
-Touch at (120,255) in launcher
-INT: RISE
-INT: FALL
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (191,125)
-Touch at (191,125) in launcher
-Selected game: Touch Counter
-Lua bindings registered
-LuaGame Error [load script]: [string "/games/COUNTER.LUA"]:36: unexpected symbol near ','
-LuaGame: Failed to load /games/COUNTER.LUA: load script: [string "/games/COUNTER.LUA"]:36: unexpected symbol near ','
-Game launched successfully
-INT: RISE
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (165,106)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (121,224)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (253,160)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (258,158)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (256,156)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (255,154)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (295,161)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (296,157)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-INT: RISE
-Touch DOWN at (477,202)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (236,221)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (338,182)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-TFT: Dimmed to 5%
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (306,162)
-TFT: Restored brightness
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (338,116)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (208,258)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (232,55)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (37,160)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (224,208)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (53,150)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (225,239)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (247,231)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (152,187)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (426,157)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (198,272)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (384,191)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (44,195)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (283,266)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (50,215)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (287,265)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (189,275)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (421,142)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (43,192)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (390,155)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (48,204)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (258,58)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (275,284)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (23,202)
-LuaGame Error [draw]: [string "/games/2048.LUA"]:145: bad argument #1 to 'rect' (number has no integer representation)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (173,173)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (121,151)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (71,119)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (220,109)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (313,124)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (235,140)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (131,185)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (269,54)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP
-INT: FALL
-Processing touch: flag=1, event_down=1
-Touch DOWN at (227,165)
-INT: RISE
-Processing touch: flag=1, event_down=0
-Touch UP