libretro/beetle-gba-libretro
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Add retro_memory_descriptor

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retrowertz 2018-01-05 14:54:39 +08:00
parent 7f66c4a726
commit c0f0f7ba87
1 changed files with 46 additions and 0 deletions
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46
libretro.cpp
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@ -3650,6 +3650,52 @@ bool retro_load_game(const struct retro_game_info *info)
check_variables();
struct retro_memory_descriptor descs[7];
struct retro_memory_map retromap;
memset(descs, 0, sizeof(descs));
descs[0].ptr = internalRAM; // Internal working RAM
descs[0].start = 0x03000000;
descs[0].len = 0x8000;
descs[0].select = 0xFF000000;
descs[1].ptr = workRAM; // Working RAM
descs[1].start = 0x02000000;
descs[1].len = 0x40000;
descs[1].select = 0xFF000000;
// TODO: if SRAM is flash, use start=0 addrspace="S" instead
descs[2].ptr = flashSaveMemory; // Save RAM
descs[2].start = 0x0E000000;
descs[2].len = flashSize;
descs[2].select = 0;
descs[3].ptr = vram; // VRAM
descs[3].start = 0x06000000;
descs[3].len = 0x20000;
descs[3].select = 0xFF000000;
descs[4].ptr = paletteRAM; // Palettes
descs[4].start = 0x05000000;
descs[4].len = 0x400;
descs[4].select = 0xFF000000;
descs[5].ptr = oam; // OAM
descs[5].start = 0x07000000;
descs[5].len = 0x400;
descs[5].select = 0xFF000000;
descs[6].ptr = ioMem; // I/O
descs[6].start = 0x04000000;
descs[6].len = 0x400;
descs[6].select = 0;
retromap.descriptors = descs;
retromap.num_descriptors = sizeof(descs) / sizeof(*descs);
environ_cb(RETRO_ENVIRONMENT_SET_MEMORY_MAPS, &retromap);
return game;
}