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Only enable bus conflict for submapper 2 (mapper 2, mapper 3) 

Fix https://github.com/TASEmulators/fceux/issues/460

https://wiki.nesdev.org/w/index.php?title=NES_2.0_submappers#002.2C_003.2C_007:_UxROM.2C_CNROM.2C_AxROM
This commit is contained in:
negative 2022-02-11 19:16:19 +08:00
parent 6d942379d6
commit f7dd4430fb
1 changed files with 2 additions and 2 deletions
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4
src/boards/datalatch.cpp
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@ -180,7 +180,7 @@ static void UNROMSync(void) {
}
void UNROM_Init(CartInfo *info) {
Latch_Init(info, UNROMSync, 0, 0x8000, 0xFFFF, 0, 1);
Latch_Init(info, UNROMSync, 0, 0x8000, 0xFFFF, 0, info->ines2 && info->submapper == 2);
}
//------------------ Map 3 ---------------------------
@ -192,7 +192,7 @@ static void CNROMSync(void) {
}
void CNROM_Init(CartInfo *info) {
Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, 1);
Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, info->ines2 && info->submapper == 2);
}
//------------------ Map 7 ---------------------------