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Fix SD card integration and Lua game loading

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- Fix SD card MISO pin (was using display MISO instead of SD MISO)
- Add FatFS mounting after SD card initialization
- Restore SPI baudrate on all SD init failure paths
- Add case-insensitive .lua file extension check
- Filter out hidden 8.3 filename entries
- Add SPI speed management functions for shared SPI bus
- Wrap all FatFS operations with SPI speed switching
- Restore display SPI speed (32 MHz) after SD operations
- Add debug output to Lua game loader

This fixes slow display refresh when SD card is present and enables
reliable Lua game loading from SD card /games directory.
This commit is contained in:
Adolfo Reyna
2026-02-07 19:31:38 -05:00
parent 2a472fc29f
commit b16211f148
109 changed files with 38964 additions and 20 deletions
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21
emulator/CMakeFiles/basic1_emulator.dir/flags.make Normal file
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# CMAKE generated file: DO NOT EDIT!
# Generated by "Unix Makefiles" Generator, CMake Version 4.2
# compile C with /usr/bin/cc
# compile CXX with /usr/bin/c++
C_DEFINES = -DLUA_32BITS=1
C_INCLUDES = -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/. -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/.. -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../display -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../fonts -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../games -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../lib -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../lib/lua -isystem /opt/homebrew/include
C_FLAGSarm64 = -arch arm64
C_FLAGS = -arch arm64
CXX_DEFINES = -DLUA_32BITS=1
CXX_INCLUDES = -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/. -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/.. -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../display -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../fonts -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../games -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../lib -I/Users/adolforeyna/Projects/pico-bare-metal/Adolfo/basic1/emulator/../lib/lua -isystem /opt/homebrew/include
CXX_FLAGSarm64 = -std=gnu++17 -arch arm64
CXX_FLAGS = -std=gnu++17 -arch arm64