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UNIF: Initial implementation of game overrides (move exiting ones out of mapper code)

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retro-wertz
2019-07-02 19:34:55 +08:00
parent 06c99179be
commit 7e9b3b146d
4 changed files with 104 additions and 37 deletions
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60
src/boards/datalatch.c
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@@ -153,27 +153,29 @@ static void CNROMSync(void) {
}
void CNROM_Init(CartInfo *info) {
unsigned _no_busc, _busc;
_busc = 1; /* by default, CNROM is set to emulate bus conflicts to all games */
_no_busc = 0;
if (GameInfo->cspecial == 1)
_no_busc = 1;
/* TODO: move these to extended database when implemented. */
int _busc, x;
uint64 partialmd5 = 0;
_busc = 1;
for (x = 0; x < 8; x++)
partialmd5 |= (uint64)info->MD5[15 - x] << (x * 8);
if (partialmd5 == 0x117181328eb1ad23LL) /* 75 Bingo (Sachen-English) [U].unf */
_busc = 0;
else
switch (info->CRC32) {
case 0xf283cf58: /* Colorful Dragon (Asia) (PAL) (Unl).nes */
case 0x2915faf0: /* Incantation (Asia) (Unl).nes */
case 0xebd0644d: /* Dao Shuai (Asia) (Unl).nes */
case 0x8f154a0d: /* Pu Ke Jing Ling (China) (Unl).nes */
case 0xd04a40e6: /* Bingo 75 (Asia) (Unl).nes */
case 0xe41b440f: /* Sidewinder (Joy Van) */
case 0xb0c871c5: /* Wei Lai Xiao Zi (Joy Van) */
case 0xb3be2f71: /* Yanshan Chess (Unl) */
_busc = 0;
break;
switch (info->CRC32) {
case 0xf283cf58: /* Colorful Dragon (Asia) (PAL) (Unl).nes */
case 0x2915faf0: /* Incantation (Asia) (Unl).nes */
case 0xebd0644d: /* Dao Shuai (Asia) (Unl).nes */
case 0x8f154a0d: /* Pu Ke Jing Ling (China) (Unl).nes */
case 0xd04a40e6: /* Bingo 75 (Asia) (Unl).nes */
case 0xe41b440f: /* Sidewinder (Joy Van) */
case 0xb0c871c5: /* Wei Lai Xiao Zi (Joy Van) */
case 0xb3be2f71: /* Yanshan Chess (Unl) */
_no_busc = 1;
break;
}
if (_no_busc == 1) _busc = 0;
Latch_Init(info, CNROMSync, 0, 0x8000, 0xFFFF, 1, _busc);
}
@@ -495,22 +497,32 @@ void Mapper241_Init(CartInfo *info) {
* 16 bankswitching mode and normal mirroring... But there is no any
* correlations between modes and they can be used in one mapper code.
*/
static int A65ASsubmapper;
static void BMCA65ASSync(void) {
if (latche & 0x40)
setprg32(0x8000, (latche >> 1) & 0x0F);
else {
setprg16(0x8000, ((latche & 0x30) >> 1) | (latche & 7));
setprg16(0xC000, ((latche & 0x30) >> 1) | 7);
if (A65ASsubmapper == 1) {
setprg16(0x8000, ((latche & 0x38) >> 0) | (latche & 7));
setprg16(0xC000, ((latche & 0x38) >> 0) | 7);
} else {
setprg16(0x8000, ((latche & 0x30) >> 1) | (latche & 7));
setprg16(0xC000, ((latche & 0x30) >> 1) | 7);
}
}
setchr8(0);
if (latche & 0x80)
setmirror(MI_0 + (((latche >> 5) & 1)));
else
setmirror(((latche >> 3) & 1) ^ 1);
else {
if (A65ASsubmapper == 1) /* added as workaround since games for this cart uses vertical mirroring */
setmirror(MI_V);
else
setmirror(((latche >> 3) & 1) ^ 1);
}
}
void BMCA65AS_Init(CartInfo *info) {
A65ASsubmapper = info->submapper; /* not a real submapper */
Latch_Init(info, BMCA65ASSync, 0, 0x8000, 0xFFFF, 0, 0);
}