void __fastcall QsndZWrite(unsigned short a, unsigned char d)
{
QUARK_LOG_VAR(a);
QUARK_LOG_VAR(d);
QUARK_LOG_VAR(QscCmd[0]);
QUARK_LOG_VAR(QscCmd[1]);
if (a == 0xd000) {
QscCmd[0] = d;
return;
}
if (a == 0xd001) {
QscCmd[1] = d;
return;
}
if (a == 0xd002) {
QscWrite(d, (QscCmd[0] << 8) | QscCmd[1]);
// bprintf(PRINT_NORMAL, "QSound command %02X %04X sent.\n", d, (QscCmd[0] << 8) | QscCmd[1]);
return;
}
if (a == 0xd003) {
int nNewBank = d & 0x0f;
if (nQsndZBank != nNewBank) {
nQsndZBank = nNewBank;
QsndZBankMap();
}
}
}
// Scan the current QSound z80 state
int QsndZScan(int nAction)
{
ZetScan(nAction); // Scan Z80
SCAN_VAR(nQsndZBank);
if (nAction & ACB_WRITE) { // If write, bank could have changed
QsndZBankMap();
}
return 0;
}
// Scan the current QSound z80 state
INT32 QsndZScan(INT32 nAction)
{
ZetScan(nAction); // Scan Z80
SCAN_VAR(nQsndZBank);
if (nAction & ACB_WRITE) { // If write, bank could have changed
ZetOpen(0);
QsndZBankMap();
ZetClose();
}
return 0;
}
INT32 QsndZInit()
{
if (nCpsZRomLen < 0x8000) { // Not enough Z80 Data
return 1;
}
if (CpsZRom == NULL) {
return 1;
}
ZetInit(0);
ZetOpen(0);
ZetSetReadHandler(QsndZRead);
ZetSetWriteHandler(QsndZWrite);
// Read and fetch first 0x8000 of Rom
if (Cps1Qs) {
ZetMapArea(0x0000, 0x7FFF, 0, CpsZRom - (nCpsZRomLen / 2));
ZetMapArea(0x0000, 0x7FFF, 2, CpsZRom, CpsZRom - (nCpsZRomLen / 2)); // If it tries to fetch this area
} else {
ZetMapArea(0x0000, 0x7FFF, 0 ,CpsZRom);
ZetMapArea(0x0000, 0x7FFF, 2, CpsZRom);
}
// Map first Bank of Rom
nQsndZBank = 0;
QsndZBankMap();
ZetMapArea(0xC000, 0xCFFF, 0, CpsZRamC0);
ZetMapArea(0xC000, 0xCFFF, 1, CpsZRamC0);
ZetMapArea(0xC000, 0xCFFF, 2, CpsZRamC0);
ZetMemCallback(0xD000, 0xEFFF, 0);
ZetMemCallback(0xD000, 0xEFFF, 1);
if (Cps1Qs) {
ZetMapArea(0xD000, 0xEFFF, 2, CpsZRom, CpsZRom - (nCpsZRomLen / 2)); // If it tries to fetch this area
} else {
ZetMapArea(0xD000, 0xEFFF, 2, CpsZRom);
}
ZetMapArea(0xF000, 0xFFFF, 0, CpsZRamF0);
ZetMapArea(0xF000, 0xFFFF, 1, CpsZRamF0);
ZetMapArea(0xF000, 0xFFFF, 2, CpsZRamF0);
ZetMemEnd();
ZetClose();
return 0;
}
// Scan the current QSound z80 state
int QsndZScan(int nAction)
{
ZetScan(nAction); // Scan Z80
if (nAcbVersion > GGPOFBA_VERSION_0_25) {
SCAN_VAR(QscCmd);
}
SCAN_VAR(nQsndZBank);
if (nAction & ACB_WRITE) { // If write, bank could have changed
QsndZBankMap();
}
return 0;
}
void __fastcall QsndZWrite(UINT16 a, UINT8 d)
{
if (a == 0xd000) {
QscCmd[0] = d;
return;
}
if (a == 0xd001) {
QscCmd[1] = d;
return;
}
if (a == 0xd002) {
QscWrite(d, (QscCmd[0] << 8) | QscCmd[1]);
// bprintf(PRINT_NORMAL, _T("QSound command %02X %04X sent.\n"), d, (QscCmd[0] << 8) | QscCmd[1]);
return;
}
if (a == 0xd003) {
INT32 nNewBank = d & 0x0f;
if (nQsndZBank != nNewBank) {
nQsndZBank = nNewBank;
QsndZBankMap();
}
}
}
