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This commit is contained in:
retro-wertz
2017-10-15 02:07:42 +08:00
parent e428160996
commit ebca2248d0
75 changed files with 641 additions and 582 deletions
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26
src/boards/121.c
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@@ -45,7 +45,7 @@ static void Sync() {
}
static void M121CW(uint32 A, uint8 V) {
if (PRGsize[0] == CHRsize[0]) { // A9713 multigame extension hack!
if (PRGsize[0] == CHRsize[0]) { /* A9713 multigame extension hack! */
setchr1(A, V | ((EXPREGS[3] & 0x80) << 1));
} else {
if ((A & 0x1000) == ((MMC3_cmd & 0x80) << 5))
@@ -57,37 +57,37 @@ static void M121CW(uint32 A, uint8 V) {
static void M121PW(uint32 A, uint8 V) {
if (EXPREGS[5] & 0x3F) {
// FCEU_printf("prot banks: %02x %02x %02x %02x\n",V,EXPREGS[2],EXPREGS[1],EXPREGS[0]);
/* FCEU_printf("prot banks: %02x %02x %02x %02x\n",V,EXPREGS[2],EXPREGS[1],EXPREGS[0]); */
setprg8(A, (V & 0x1F) | ((EXPREGS[3] & 0x80) >> 2));
setprg8(0xE000, (EXPREGS[0]) | ((EXPREGS[3] & 0x80) >> 2));
setprg8(0xC000, (EXPREGS[1]) | ((EXPREGS[3] & 0x80) >> 2));
setprg8(0xA000, (EXPREGS[2]) | ((EXPREGS[3] & 0x80) >> 2));
} else {
// FCEU_printf("gen banks: %04x %02x\n",A,V);
/* FCEU_printf("gen banks: %04x %02x\n",A,V); */
setprg8(A, (V & 0x1F) | ((EXPREGS[3] & 0x80) >> 2));
}
}
static DECLFW(M121Write) {
// FCEU_printf("write: %04x:%04x\n",A&0xE003,V);
/* FCEU_printf("write: %04x:%04x\n",A&0xE003,V); */
switch (A & 0xE003) {
case 0x8000:
// EXPREGS[5] = 0;
// FCEU_printf("gen: %02x\n",V);
/* EXPREGS[5] = 0; */
/* FCEU_printf("gen: %02x\n",V); */
MMC3_CMDWrite(A, V);
FixMMC3PRG(MMC3_cmd);
break;
case 0x8001:
EXPREGS[6] = ((V & 1) << 5) | ((V & 2) << 3) | ((V & 4) << 1) | ((V & 8) >> 1) | ((V & 0x10) >> 3) | ((V & 0x20) >> 5);
// FCEU_printf("bank: %02x (%02x)\n",V,EXPREGS[6]);
/* FCEU_printf("bank: %02x (%02x)\n",V,EXPREGS[6]); */
if (!EXPREGS[7]) Sync();
MMC3_CMDWrite(A, V);
FixMMC3PRG(MMC3_cmd);
break;
case 0x8003:
EXPREGS[5] = V;
// EXPREGS[7] = 0;
// FCEU_printf("prot: %02x\n",EXPREGS[5]);
/* EXPREGS[7] = 0; */
/* FCEU_printf("prot: %02x\n",EXPREGS[5]); */
Sync();
MMC3_CMDWrite(0x8000, V);
FixMMC3PRG(MMC3_cmd);
@@ -97,17 +97,17 @@ static DECLFW(M121Write) {
static uint8 prot_array[16] = { 0x83, 0x83, 0x42, 0x00 };
static DECLFW(M121LoWrite) {
EXPREGS[4] = prot_array[V & 3]; // 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter)
if ((A & 0x5180) == 0x5180) { // A9713 multigame extension
EXPREGS[4] = prot_array[V & 3]; /* 0x100 bit in address seems to be switch arrays 0, 2, 2, 3 (Contra Fighter) */
if ((A & 0x5180) == 0x5180) { /* A9713 multigame extension */
EXPREGS[3] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
// FCEU_printf("write: %04x:%04x\n",A,V);
/* FCEU_printf("write: %04x:%04x\n",A,V); */
}
static DECLFR(M121Read) {
// FCEU_printf("read: %04x->\n",A,EXPREGS[0]);
/* FCEU_printf("read: %04x->\n",A,EXPREGS[0]); */
return EXPREGS[4];
}