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mapper201: Add support for 21-in-1 (CF-043) (2006-V) (Unl) [p1]

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negativeExponent
2020-03-06 20:07:15 +08:00
parent b00b8031fc
commit 6a805ea424
3 changed files with 12 additions and 4 deletions
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11
src/boards/addrlatch.c
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@@ -274,18 +274,25 @@ void Mapper200_Init(CartInfo *info) {
}
/*------------------ Map 201 ---------------------------*/
/* 2020-3-6 - Support for 21-in-1 (CF-043) (2006-V) (Unl) [p1].nes which has mixed mirroring
* found at the time labeled as submapper 15 (negativeExponent)
* 0x05658DED 128K PRG, 32K CHR */
static uint32 submapper = 0;
static void M201Sync(void) {
if (latche & 8) {
if (latche & 8 || submapper == 15) {
setprg32(0x8000, latche & 3);
setchr8(latche & 3);
} else {
setprg32(0x8000, 0);
setchr8(0);
}
if (submapper == 15)
setmirror(((latche & 0x07) == 0x07) ? MI_V : MI_H);
}
void Mapper201_Init(CartInfo *info) {
if (info->CRC32 == 0x05658DED)
submapper = 15;
Latch_Init(info, M201Sync, NULL, 0xFFFF, 0x8000, 0xFFFF, 0);
}