public override void UseSNA(SNA_SNAPSHOT sna)
{
if (sna == null)
{
return;
}
if (sna is SNA_128K)
{
I = sna.HEADER.I;
_HL = sna.HEADER.HL_;
_DE = sna.HEADER.DE_;
_BC = sna.HEADER.BC_;
_AF = sna.HEADER.AF_;
HL = sna.HEADER.HL;
DE = sna.HEADER.DE;
BC = sna.HEADER.BC;
IY = sna.HEADER.IY;
IX = sna.HEADER.IX;
IFF1 = ((sna.HEADER.IFF2 & 0x04) != 0);
_R = sna.HEADER.R;
AF = sna.HEADER.AF;
SP = sna.HEADER.SP;
interruptMode = sna.HEADER.IM;
borderColour = sna.HEADER.BORDER;
PC = ((SNA_128K)sna).PC;
int val = ((SNA_128K)sna).PORT_7FFD;
for (int f = 0; f < 16; f++)
{
Array.Copy(((SNA_128K)sna).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];
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];
Out(0x7ffd, val); //Perform a dummy Out to setup the remaining stuff!
}
}
public override void UseSNA(SNA_SNAPSHOT sna)
{
if (sna == null)
{
return;
}
if (sna is SNA_48K)
{
lock (lockThis) {
I = sna.HEADER.I;
_HL = sna.HEADER.HL_;
_DE = sna.HEADER.DE_;
_BC = sna.HEADER.BC_;
_AF = sna.HEADER.AF_;
HL = sna.HEADER.HL;
DE = sna.HEADER.DE;
BC = sna.HEADER.BC;
IY = sna.HEADER.IY;
IX = sna.HEADER.IX;
IFF1 = ((sna.HEADER.IFF2 & 0x04) != 0);
if (IFF1)
{
lastOpcodeWasEI = 1; //force ignore re-triggered interrupts
}
_R = sna.HEADER.R;
AF = sna.HEADER.AF;
SP = sna.HEADER.SP;
interruptMode = sna.HEADER.IM;
borderColour = sna.HEADER.BORDER;
int screenAddr = DisplayStart;
for (int f = 0; f < 49152; ++f)
{
PokeByteNoContend(screenAddr + f, ((SNA_48K)sna).RAM[f]);
}
PC = PeekWordNoContend(SP);
SP += 2;
}
}
}
public override void UseSNA(SNA_SNAPSHOT sna)
{
if (sna == null)
{
return;
}
if (sna is SNA_128K)
{
I = sna.HEADER.I;
_HL = sna.HEADER.HL_;
_DE = sna.HEADER.DE_;
_BC = sna.HEADER.BC_;
_AF = sna.HEADER.AF_;
HL = sna.HEADER.HL;
DE = sna.HEADER.DE;
BC = sna.HEADER.BC;
IY = sna.HEADER.IY;
IX = sna.HEADER.IX;
IFF1 = ((sna.HEADER.IFF2 & 0x04) != 0);
//Force ignore re-triggered interrupts when loading SNA. Causes Shock Medademo 128k SNA to work incorrectly otherwise.
if (IFF1)
{
lastOpcodeWasEI = 1;
}
_R = sna.HEADER.R;
AF = sna.HEADER.AF;
SP = sna.HEADER.SP;
interruptMode = sna.HEADER.IM;
borderColour = sna.HEADER.BORDER;
PC = ((SNA_128K)sna).PC;
int val = ((SNA_128K)sna).PORT_7FFD;
for (int f = 0; f < 16; f++)
{
Array.Copy(((SNA_128K)sna).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];
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];
if (((SNA_128K)sna).TR_DOS != 0)
{
PageReadPointer[0] = ROMpage[4];
PageReadPointer[1] = ROMpage[5];
PageWritePointer[0] = JunkMemory[0];
PageWritePointer[1] = JunkMemory[1];
trDosPagedIn = true;
BankInPage0 = ROM_TR_DOS;
}
Out(0x7ffd, val); //Perform a dummy Out to setup the remaining stuff!
}
}
