public static void Load(Chip90611401 pla, byte[] prgFile)
{
var length = prgFile.Length;
if (length <= 2)
{
return;
}
var addr = prgFile[0] | (prgFile[1] << 8);
var offset = 2;
unchecked
{
while (offset < length)
{
pla.Write(addr, prgFile[offset]);
offset++;
addr++;
}
}
}
public Motherboard(C64 c64, C64.VicType initRegion, C64.BorderType borderType, C64.SidType sidType, C64.TapeDriveType tapeDriveType, C64.DiskDriveType diskDriveType)
{
// note: roms need to be added on their own externally
_c64 = c64;
int clockNum, clockDen;
switch (initRegion)
{
case C64.VicType.Pal:
clockNum = 17734475;
clockDen = 18;
break;
case C64.VicType.Ntsc:
clockNum = 14318181;
clockDen = 14;
break;
case C64.VicType.NtscOld:
clockNum = 11250000;
clockDen = 11;
break;
case C64.VicType.Drean:
clockNum = 14328225;
clockDen = 14;
break;
default:
throw new System.Exception();
}
CartPort = new CartridgePort();
Cassette = new CassettePort();
ColorRam = new Chip2114();
Cpu = new Chip6510();
Pla = new Chip90611401();
Ram = new Chip4864();
Serial = new SerialPort();
switch (sidType)
{
case C64.SidType.OldR2:
Sid = Chip6581R2.Create(44100, clockNum, clockDen);
break;
case C64.SidType.OldR3:
Sid = Chip6581R3.Create(44100, clockNum, clockDen);
break;
case C64.SidType.OldR4AR:
Sid = Chip6581R4AR.Create(44100, clockNum, clockDen);
break;
case C64.SidType.NewR5:
Sid = Chip8580R5.Create(44100, clockNum, clockDen);
break;
}
switch (initRegion)
{
case C64.VicType.Ntsc:
Vic = Chip6567R8.Create(borderType);
Cia0 = Chip6526.Create(C64.CiaType.Ntsc, Input_ReadKeyboard, Input_ReadJoysticks);
Cia1 = Chip6526.Create(C64.CiaType.Ntsc, Cia1_ReadPortA);
break;
case C64.VicType.Pal:
Vic = Chip6569.Create(borderType);
Cia0 = Chip6526.Create(C64.CiaType.Pal, Input_ReadKeyboard, Input_ReadJoysticks);
Cia1 = Chip6526.Create(C64.CiaType.Pal, Cia1_ReadPortA);
break;
case C64.VicType.NtscOld:
Vic = Chip6567R56A.Create(borderType);
Cia0 = Chip6526.Create(C64.CiaType.NtscRevA, Input_ReadKeyboard, Input_ReadJoysticks);
Cia1 = Chip6526.Create(C64.CiaType.NtscRevA, Cia1_ReadPortA);
break;
case C64.VicType.Drean:
Vic = Chip6572.Create(borderType);
Cia0 = Chip6526.Create(C64.CiaType.Pal, Input_ReadKeyboard, Input_ReadJoysticks);
Cia1 = Chip6526.Create(C64.CiaType.Pal, Cia1_ReadPortA);
break;
}
User = new UserPort();
ClockNumerator = clockNum;
ClockDenominator = clockDen;
// Initialize disk drive
switch (diskDriveType)
{
case C64.DiskDriveType.Commodore1541:
case C64.DiskDriveType.Commodore1541II:
DiskDrive = new Drive1541(ClockNumerator, ClockDenominator);
Serial.Connect(DiskDrive);
break;
}
// Initialize tape drive
switch (tapeDriveType)
{
case C64.TapeDriveType.Commodore1530:
TapeDrive = new TapeDrive();
Cassette.Connect(TapeDrive);
break;
}
BasicRom = new Chip23128();
CharRom = new Chip23128();
KernalRom = new Chip23128();
}