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Add support for Mani carts

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This commit is contained in:
Lior Halphon 2022-03-06 15:54:29 +02:00
parent 965e623637
commit 0925b06555
1 changed files with 8 additions and 3 deletions
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11
Core/mbc.c
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@ -17,7 +17,6 @@ const GB_cartridge_t GB_cart_defs[256] = {
{ GB_NO_MBC, GB_STANDARD_MBC, true , false, false, false}, // 08h ROM+RAM
{ GB_NO_MBC, GB_STANDARD_MBC, true , true , false, false}, // 09h ROM+RAM+BATTERY
[0xB] =
/* Todo: Not supported yet */
{ GB_MMM01 , GB_STANDARD_MBC, false, false, false, false}, // 0Bh MMM01
{ GB_MMM01 , GB_STANDARD_MBC, true , false, false, false}, // 0Ch MMM01+RAM
{ GB_MMM01 , GB_STANDARD_MBC, true , true , false, false}, // 0Dh MMM01+RAM+BATTERY
@ -172,8 +171,14 @@ void GB_configure_cart(GB_gameboy_t *gb)
}
else {
const GB_cartridge_t *maybe_mmm01_type = &GB_cart_defs[gb->rom[gb->rom_size - 0x8000 + 0x147]];
if (maybe_mmm01_type->mbc_type == GB_MMM01 && memcmp(gb->rom + 0x104, gb->rom + gb->rom_size - 0x8000 + 0x104, 0x30) == 0) {
gb->cartridge_type = maybe_mmm01_type;
if (memcmp(gb->rom + 0x104, gb->rom + gb->rom_size - 0x8000 + 0x104, 0x30) == 0) {
if (maybe_mmm01_type->mbc_type == GB_MMM01) {
gb->cartridge_type = maybe_mmm01_type;
}
else if(gb->rom[gb->rom_size - 0x8000 + 0x147] == 0x11) {
GB_log(gb, "ROM header reports MBC3, but it appears to be an MMM01 ROM. Assuming cartridge uses MMM01.");
gb->cartridge_type = &GB_cart_defs[0xB];
}
}
}