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Mapper 78: Add submapper support

This commit is contained in:
negative 2023-03-06 13:13:06 +08:00
parent c0eee08ce5
commit 6babc7fdaf
1 changed files with 7 additions and 1 deletions
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6
src/boards/datalatch.cpp
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@ -26,6 +26,7 @@ static uint16 addrreg0=0, addrreg1=0;
static uint8 *WRAM = NULL;
static uint32 WRAMSIZE=0;
static void (*WSync)(void) = nullptr;
static uint8 submapper;
static DECLFW(LatchWrite) {
// FCEU_printf("bs %04x %02x\n",A,V);
@ -68,6 +69,7 @@ static void Latch_Init(CartInfo *info, void (*proc)(void), uint8 init, uint16 ad
info->Power = LatchPower;
info->Close = LatchClose;
GameStateRestore = StateRestore;
submapper = info->submapper;
if(info->ines2)
if(info->battery_wram_size + info->wram_size > 0)
wram = 1;
@ -295,8 +297,12 @@ static void M78Sync() {
setprg16(0x8000, (latche & 7));
setprg16(0xc000, ~0);
setchr8(latche >> 4);
if (submapper == 3) {
setmirror((latche >> 3) & 1);
} else {
setmirror(MI_0 + ((latche >> 3) & 1));
}
}
void Mapper78_Init(CartInfo *info) {
Latch_Init(info, M78Sync, 0, 0x8000, 0xFFFF, 0, 0);