public override void UseZ80(Z80_SNAPSHOT z80)
{
lock (lockThis) {
I = z80.I;
_HL = z80.HL_;
_DE = z80.DE_;
_BC = z80.BC_;
_AF = z80.AF_;
HL = z80.HL;
DE = z80.DE;
BC = z80.BC;
IY = z80.IY;
IX = z80.IX;
IFF1 = z80.IFF1;
_R = z80.R;
AF = z80.AF;
SP = z80.SP;
interruptMode = z80.IM;
PC = z80.PC;
borderColour = z80.BORDER;
Issue2Keyboard = z80.ISSUE2;
EnableAY(z80.AY_FOR_48K);
//Copy AY regs
if (z80.AY_FOR_48K)
{
for (int f = 0; f < 16; f++)
{
aySound.SetRegisters(z80.AY_REGS);
}
Out(0xfffd, z80.PORT_FFFD); //Setup the sound chip
}
for (int f = 0; f < 16; f++)
{
Array.Copy(z80.RAM_BANK[f], 0, RAMpage[f], 0, 8192);
}
PageReadPointer[2] = RAMpage[(int)RAM_BANK.FIVE_LOW];
PageReadPointer[3] = RAMpage[(int)RAM_BANK.FIVE_HIGH];
PageReadPointer[4] = RAMpage[(int)RAM_BANK.TWO_LOW];
PageReadPointer[5] = RAMpage[(int)RAM_BANK.TWO_HIGH];
PageReadPointer[6] = RAMpage[(int)RAM_BANK.ZERO_LOW];
PageReadPointer[7] = RAMpage[(int)RAM_BANK.ZERO_HIGH];
PageWritePointer[2] = RAMpage[(int)RAM_BANK.FIVE_LOW];
PageWritePointer[3] = RAMpage[(int)RAM_BANK.FIVE_HIGH];
PageWritePointer[4] = RAMpage[(int)RAM_BANK.TWO_LOW];
PageWritePointer[5] = RAMpage[(int)RAM_BANK.TWO_HIGH];
PageWritePointer[6] = RAMpage[(int)RAM_BANK.ZERO_LOW];
PageWritePointer[7] = RAMpage[(int)RAM_BANK.ZERO_HIGH];
totalTStates = z80.TSTATES;
}
}
public static Z80_SNAPSHOT LoadZ80(string filename)
{
Z80_SNAPSHOT snapshot;
using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Open))
{
snapshot = LoadZ80(fs);
}
return(snapshot);
} //LoadZ80
public override void UseZ80(Z80_SNAPSHOT z80)
{
I = z80.I;
_HL = z80.HL_;
_DE = z80.DE_;
_BC = z80.BC_;
_AF = z80.AF_;
HL = z80.HL;
DE = z80.DE;
BC = z80.BC;
IY = z80.IY;
IX = z80.IX;
IFF1 = z80.IFF1;
_R = z80.R;
AF = z80.AF;
SP = z80.SP;
interruptMode = z80.IM;
PC = z80.PC;
Issue2Keyboard = z80.ISSUE2;
for (int f = 0; f < 16; f++)
{
Array.Copy(z80.RAM_BANK[f], 0, RAMpage[f], 0, 8192);
}
PageReadPointer[2] = RAMpage[(int)RAM_BANK.FIVE_LOW];
PageReadPointer[3] = RAMpage[(int)RAM_BANK.FIVE_HIGH];
PageReadPointer[4] = RAMpage[(int)RAM_BANK.TWO_LOW];
PageReadPointer[5] = RAMpage[(int)RAM_BANK.TWO_HIGH];
PageReadPointer[6] = RAMpage[(int)RAM_BANK.ZERO_LOW];
PageReadPointer[7] = RAMpage[(int)RAM_BANK.ZERO_HIGH];
PageWritePointer[2] = RAMpage[(int)RAM_BANK.FIVE_LOW];
PageWritePointer[3] = RAMpage[(int)RAM_BANK.FIVE_HIGH];
PageWritePointer[4] = RAMpage[(int)RAM_BANK.TWO_LOW];
PageWritePointer[5] = RAMpage[(int)RAM_BANK.TWO_HIGH];
PageWritePointer[6] = RAMpage[(int)RAM_BANK.ZERO_LOW];
PageWritePointer[7] = RAMpage[(int)RAM_BANK.ZERO_HIGH];
contendedBankPagedIn = false;
for (int f = 0; f < 16; f++)
{
aySound.SetRegisters(z80.AY_REGS);
}
Out(0xfffd, z80.PORT_FFFD); //Setup the sound chip
Out(0x7ffd, z80.PORT_7FFD); //Perform a dummy Out to setup the remaining stuff!
Out(0x1ffd, z80.PORT_1FFD); //Perform a dummy Out to setup the remaining stuff!
borderColour = z80.BORDER;
totalTStates = z80.TSTATES;
}
