void fme7_sync()
{
int i;
//special case prg page
if(prg[0] & 0x40)
if(prg[0] & 0x80)
mem_setsram8(6,0);
else
mem_unsetcpu8(6);
else
mem_setprg8(6,prg[0] & 0x3F);
//set prg pages
mem_setprg8(0x8,prg[1]);
mem_setprg8(0xA,prg[2]);
mem_setprg8(0xC,prg[3]);
mem_setprg8(0xE,-1);
//set chr pages
for(i=0;i<8;i++)
mem_setchr1(i,chr[i]);
switch(mirror) {
case 0: ppu_setmirroring(MIRROR_V); break;
case 1: ppu_setmirroring(MIRROR_H); break;
case 2: ppu_setmirroring(MIRROR_1L); break;
case 3: ppu_setmirroring(MIRROR_1H); break;
}
}
static void sync()
{
mem_setprg32(8,prg);
mem_setvram8(0,0);
switch(mirror) {
case 0: ppu_setmirroring(MIRROR_H); break;
case 1: ppu_setmirroring(MIRROR_V); break;
case 2: ppu_setmirroring(MIRROR_1L); break;
case 3: ppu_setmirroring(MIRROR_1H); break;
}
}
static void sync()
{
mem_setprg16(0x8,prg[0]);
mem_setprg16(0xA,prg[1]);
mem_setprg16(0xC,prg[2]);
mem_setprg16(0xE,0xF);
mem_setchr4(0,chr[0]);
mem_setchr4(4,chr[1]);
if(mirror)
ppu_setmirroring(MIRROR_H);
else
ppu_setmirroring(MIRROR_V);
}
static void sync()
{
int i;
mem_setprg8(0x8,prg[0]);
mem_setprg8(0xA,prg[1]);
mem_setprg16(0xC,0x1F);
for(i=0;i<8;i++)
mem_setchr1(i,chr[i] >> map[4]);
if(mirror & 1)
ppu_setmirroring(MIRROR_H);
else
ppu_setmirroring(MIRROR_V);
}
static void sync()
{
int i;
mem_setprg8(0x8,prg[0]);
mem_setprg8(0xA,prg[1]);
mem_setprg8(0xC,prg[2]);
mem_setprg8(0xE,-1);
for(i=0;i<8;i++)
mem_setchr1(i,chr[i]);
if(mirror & 0x80)
ppu_setmirroring(MIRROR_V);
else
ppu_setmirroring(MIRROR_H);
}
static void sync()
{
int i;
mem_setprg16(0x8,prg);
mem_setprg16(0xC,0xFF);
for(i=0;i<4;i++)
mem_setchr2(i * 2,chr[i]);
switch(mirror & 3) {
case 0: ppu_setmirroring(MIRROR_V); break;
case 1: ppu_setmirroring(MIRROR_H); break;
case 2: ppu_setmirroring(MIRROR_1L); break;
case 3: ppu_setmirroring(MIRROR_1H); break;
}
}
static void sync()
{
mem_setprg16(0x8,reg[1]);
mem_setprg16(0xC,0xFF);
mem_setvram8(0,0);
ppu_setmirroring((reg[0] & 0x10) ? MIRROR_1H : MIRROR_1L);
}
void mmc4_sync()
{
mem_setsram8(0x6,0);
mem_setprg16(0x8,PRGBank);
mem_setprg16(0xC,0xF);
mem_setchr4(0,LatchA[LatchAState]);
mem_setchr4(4,LatchB[LatchBState]);
ppu_setmirroring(Mirroring);
}
static void sync()
{
int i;
for(i=0;i<4;i++)
mem_setprg8(8 + (i * 2),prg[i]);
for(i=0;i<8;i++)
mem_setchr1(i,chr[i]);
ppu_setmirroring(mirror);
}
void mmc2_sync()
{
mem_setprg8(0x8,PRGBank);
mem_setprg8(0xA,0xD);
mem_setprg8(0xC,0xE);
mem_setprg8(0xE,0xF);
mem_setchr4(0,LatchA[LatchAState]);
mem_setchr4(4,LatchB[LatchBState]);
ppu_setmirroring(Mirroring);
}
static void syncnt()
{
if((bankmode & 0x20) && (revision == MAPPER90B)) {
int i;
for(i=0;i<4;i++) {
if(bankmode & 0x40) {
}
else {
mem_setchr1(0x8 + i,nt[i] & 1);
mem_setchr1(0xC + i,nt[i] & 1);
}
}
}
else {
switch(mirror & 3) {
case 0: ppu_setmirroring(MIRROR_V); break;
case 1: ppu_setmirroring(MIRROR_H); break;
case 2: ppu_setmirroring(MIRROR_1L); break;
case 3: ppu_setmirroring(MIRROR_1H); break;
}
}
}
static void sync()
{
int i;
mem_setprg16(0x8,prg[0]);
mem_setprg8(0xC,prg[1]);
mem_setprg8(0xE,0xFF);
for(i=0; i<8; i++)
mem_setchr1(i,chr[i]);
switch(mirror & 0xC) {
case 0x0:
ppu_setmirroring(MIRROR_V);
break;
case 0x4:
ppu_setmirroring(MIRROR_H);
break;
case 0x8:
ppu_setmirroring(MIRROR_1L);
break;
case 0xC:
ppu_setmirroring(MIRROR_1H);
break;
}
}
static void sync()
{
int i;
mmc3_syncprg(0xFF,0);
for(i=0;i<8;i++) {
if(i == 0)
mem_setchr4(0,mmc3_getchrbank(i) >> 1);
if(i == 4)
mem_setchr2(4,mmc3_getchrbank(i));
if(i == 5)
mem_setchr2(6,mmc3_getchrbank(i));
}
if(nes->rom->mirroring & 8)
ppu_setmirroring(MIRROR_4);
else
mmc3_syncmirror();
mmc3_syncsram();
}
//try to load a rom into the nes
int nes_load(rom_t *r)
{
//init the nes
nes_init();
//if this is a unif rom
if(r->mapper == -1) {
mapper_unif_t *mapper;
if((mapper = mapper_init_unif(r->board)) == 0) {
log_message("unif board '%s' not supported\n",r->board);
return(1);
}
nes->mapper = (mapper_ines_t*)mapper;
nes->rom = r;
nes->rom->prgbankmask = rom_createmask(mapper->info.prg);
nes->rom->chrbankmask = rom_createmask(mapper->info.chr);
nes->rom->vrambankmask = rom_createmask(mapper->info.vram);
nes->rom->srambankmask = rom_createmask(mapper->info.sram);
if(mapper->info.vram)
nes_setvramsize(mapper->info.vram / 8);
if(mapper->info.sram)
nes_setsramsize(mapper->info.sram / 4);
log_message("unif mapper '%s' loaded\n",r->board);
}
else if(r->mapper == 20) {
//disk should never be loaded if the bios is not found
nes->mapper = (config.fdsbios ? &mapper_hle_fds : &mapper_fds);
printf("%s mapper loaded\n",config.fdsbios ? "hle fds" : "fds");
}
else {
if((nes->mapper = mapper_init_ines(r->mapper)) == 0) {
log_message("ines mapper %d not supported\n",r->mapper);
return(1);
}
log_message("ines mapper %d loaded\n",r->mapper);
}
nes->rom = r;
ppu_setmirroring(nes->rom->mirroring);
return(0);
}
