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Add mapper 336 submappers 1 and 2.

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NewRisingSun
2025-04-01 16:30:51 +02:00
committed by LibretroAdmin
parent 9dd3de6ea2
commit be3deff1db
1 changed files with 20 additions and 0 deletions
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20
src/boards/datalatch.c
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@@ -26,6 +26,7 @@ static uint16 addrreg0, addrreg1;
static uint8 *WRAM = NULL;
static uint32 WRAMSIZE;
static void (*WSync)(void);
static uint8 submapper;
static DECLFW(LatchWrite) {
/* FCEU_printf("bs %04x %02x\n",A,V); */
@@ -587,10 +588,29 @@ static void BMCK3046Sync(void) {
setprg16(0x8000, latche);
setprg16(0xC000, latche | 0x07);
setchr8(0);
setmirror(latche &(submapper ==2? 0x08: 0x20)? MI_H: MI_V);
}
static DECLFW(BMCK3046_Write1) { /* Special bus conflict: 300 Ohm resistor placed so that for D3, ROM always wins. */
latche = CartBR(A) &0x08 | V &CartBR(A) &~0x08;
WSync();
}
static void BMCK3046_Power(void) {
LatchPower();
if (submapper ==1) SetWriteHandler(0x8000, 0xFFFF, BMCK3046_Write1);
}
static void BMCK3046_Reset(void) {
latche = 0;
WSync();
}
void BMCK3046_Init(CartInfo *info) {
submapper =info->submapper;
Latch_Init(info, BMCK3046Sync, 0, 0x8000, 0xFFFF, 0, 0);
info->Reset = BMCK3046_Reset;
info->Power = BMCK3046_Power;
}
/* Mapper 429: LIKO BBG-235-8-1B/Milowork FCFC1 */