launcher-shared/executable.hpp

#pragma once
#include <cstdint>

constexpr uint32_t blit_game_magic = 0x54494C42; // "BLIT"

#ifdef TARGET_32BLIT_HW
using BlitRenderFunction = void(*)(uint32_t);
using BlitTickFunction = int(*)(uint32_t);
using BlitInitFunction = bool(*)(uint32_t);
#else
using BlitRenderFunction = uint32_t;
using BlitTickFunction = uint32_t;
using BlitInitFunction = uint32_t;
#endif

// should match the layout in startup_user.s
struct BlitGameHeader {
  uint32_t magic;

  BlitRenderFunction render;
  BlitTickFunction tick;
  BlitInitFunction init;

  uint32_t end;
  uint32_t start;
};

// missing the "BLITMETA" header and size
struct RawMetadata {
  uint32_t crc32;
  char datetime[16];
  char title[25];
  char description[129];
  char version[17];
  char author[17];
};

// "BLITTYPE"
struct RawTypeMetadata {
  char category[17];
  char url[129];
  uint8_t num_filetypes;
  char filetypes[][5];
};