static void reset(RomMapperObsonet* rm)
{
rm->regBank = 0;
rm->romMapper = 0;
amdFlashReset(rm->amdFlash);
rtl8019Reset(rm->rtl8019);
rm->flashPage = amdFlashGetPage(rm->amdFlash, rm->romMapper * 0x4000);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 0, rm->flashPage, 1, 0);
}
static void updateMapper(RomMapperNoWind* rm, UInt8 page)
{
rm->romMapper = page & 0x1f;
rm->flashPage = amdFlashGetPage(rm->amdFlash, rm->romMapper * 0x4000);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 0, NULL, 0, 0);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 1, NULL, 0, 0);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 2, rm->flashPage, 1, 0);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 3, rm->flashPage + 0x2000, 1, 0);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 4, NULL, 0, 0);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 5, rm->flashPage + 0x2000, 1, 0);
}
static void loadState(RomMapperObsonet* rm)
{
SaveState* state = saveStateOpenForRead("mapperObsonet");
rm->romMapper = (UInt8)saveStateGet(state, "romMapper", 0);
rm->regBank = (UInt8)saveStateGet(state, "regBank", 0);
saveStateClose(state);
amdFlashLoadState(rm->amdFlash);
rtl8019LoadState(rm->rtl8019);
rm->flashPage = amdFlashGetPage(rm->amdFlash, rm->romMapper * 0x4000);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 0, rm->flashPage, 1, 0);
}
static void mapPage(RomMapperMegaFlashRomScc* rm, int bank, int page)
{
int readEnable;
UInt8* bankData;
rm->romMapper[bank] = page & (rm->size / 0x2000 - 1);
rm->flashPage[bank] = page;
if (rm->flashPage[bank] < 0) {
bankData = rm->romData + page * 0x2000;
}
else {
bankData = amdFlashGetPage(rm->flash, rm->flashPage[bank] * 0x2000);
}
readEnable = (bank == 2 && rm->sccEnable) || rm->flashPage[bank] >= 0 ? 0 : 1;
slotMapPage(rm->slot, rm->sslot, rm->startPage + bank, bankData, readEnable, 0);
}
static void write(RomMapperObsonet* rm, UInt16 address, UInt8 value)
{
if ((address & 0x3fe0) == 0x3fe0) {
if (rm->regBank < 3) {
// printf("W %d: %.4x %.2x\n", rm->regBank, address & 0x1f, value);
}
switch (address & 0x1f) {
case 0:
rm->regBank = value >> 6;
break;
case 2:
if (rm->regBank == 3) {
rm->romMapper = value & 0x1f;
rm->flashPage = amdFlashGetPage(rm->amdFlash, rm->romMapper * 0x4000);
slotMapPage(rm->slot, rm->sslot, rm->startPage + 0, rm->flashPage, 1, 0);
}
break;
}
rtl8019Write(rm->rtl8019, address & 0x1f, value);
}
else if (address < 0x4000) {
