//////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////
public override ushort Exec(ushort instructionAdress)
{
byte opcode = GameBoy.Ram.ReadByteAt(instructionAdress);
switch (opcode)
{
case 0x07:
{
GameBoy.Cpu.rA = RotateOperations.RotateLeft(GameBoy.Cpu.rA);
GameBoy.Cpu.ZValue = false;
return(++instructionAdress);
}
case 0x17:
{
GameBoy.Cpu.rA = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rA);
GameBoy.Cpu.ZValue = false;
return(++instructionAdress);
}
case 0x0F:
{
GameBoy.Cpu.rA = RotateOperations.RotateRight(GameBoy.Cpu.rA);
GameBoy.Cpu.ZValue = false;
return(++instructionAdress);
}
case 0x1F:
{
GameBoy.Cpu.rA = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rA);
GameBoy.Cpu.ZValue = false;
return(++instructionAdress);
}
default:
{
return(++instructionAdress);
}
}
}
//////////////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////////////
public override ushort Exec(ushort instructionAdress)
{
byte opcode = GameBoy.Ram.ReadByteAt(instructionAdress);
switch (opcode)
{
case 0x07:
{
GameBoy.Cpu.rA = RotateOperations.RotateLeft(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x00:
{
GameBoy.Cpu.rB = RotateOperations.RotateLeft(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x01:
{
GameBoy.Cpu.rC = RotateOperations.RotateLeft(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x02:
{
GameBoy.Cpu.rD = RotateOperations.RotateLeft(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x03:
{
GameBoy.Cpu.rE = RotateOperations.RotateLeft(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x04:
{
GameBoy.Cpu.rH = RotateOperations.RotateLeft(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x05:
{
GameBoy.Cpu.rL = RotateOperations.RotateLeft(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x06:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.RotateLeft(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x17:
{
GameBoy.Cpu.rA = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x10:
{
GameBoy.Cpu.rB = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x11:
{
GameBoy.Cpu.rC = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x12:
{
GameBoy.Cpu.rD = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x13:
{
GameBoy.Cpu.rE = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x14:
{
GameBoy.Cpu.rH = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x15:
{
GameBoy.Cpu.rL = RotateOperations.RotateLeftThroughCarry(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x16:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.RotateLeftThroughCarry(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x0F:
{
GameBoy.Cpu.rA = RotateOperations.RotateRight(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x08:
{
GameBoy.Cpu.rB = RotateOperations.RotateRight(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x09:
{
GameBoy.Cpu.rC = RotateOperations.RotateRight(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x0A:
{
GameBoy.Cpu.rD = RotateOperations.RotateRight(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x0B:
{
GameBoy.Cpu.rE = RotateOperations.RotateRight(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x0C:
{
GameBoy.Cpu.rH = RotateOperations.RotateRight(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x0D:
{
GameBoy.Cpu.rL = RotateOperations.RotateRight(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x0E:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.RotateRight(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x1F:
{
GameBoy.Cpu.rA = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x18:
{
GameBoy.Cpu.rB = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x19:
{
GameBoy.Cpu.rC = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x1A:
{
GameBoy.Cpu.rD = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x1B:
{
GameBoy.Cpu.rE = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x1C:
{
GameBoy.Cpu.rH = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x1D:
{
GameBoy.Cpu.rL = RotateOperations.RotateRightThroughCarry(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x1E:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.RotateRightThroughCarry(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x27:
{
GameBoy.Cpu.rA = RotateOperations.ShiftLeft(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x20:
{
GameBoy.Cpu.rB = RotateOperations.ShiftLeft(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x21:
{
GameBoy.Cpu.rC = RotateOperations.ShiftLeft(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x22:
{
GameBoy.Cpu.rD = RotateOperations.ShiftLeft(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x23:
{
GameBoy.Cpu.rE = RotateOperations.ShiftLeft(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x24:
{
GameBoy.Cpu.rH = RotateOperations.ShiftLeft(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x25:
{
GameBoy.Cpu.rL = RotateOperations.ShiftLeft(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x26:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.ShiftLeft(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x2F:
{
GameBoy.Cpu.rA = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x28:
{
GameBoy.Cpu.rB = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x29:
{
GameBoy.Cpu.rC = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x2A:
{
GameBoy.Cpu.rD = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x2B:
{
GameBoy.Cpu.rE = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x2C:
{
GameBoy.Cpu.rH = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x2D:
{
GameBoy.Cpu.rL = RotateOperations.ShiftRightSetMSB(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x2E:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.ShiftRightSetMSB(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
case 0x3F:
{
GameBoy.Cpu.rA = RotateOperations.ShiftRight(GameBoy.Cpu.rA);
return(++instructionAdress);
}
case 0x38:
{
GameBoy.Cpu.rB = RotateOperations.ShiftRight(GameBoy.Cpu.rB);
return(++instructionAdress);
}
case 0x39:
{
GameBoy.Cpu.rC = RotateOperations.ShiftRight(GameBoy.Cpu.rC);
return(++instructionAdress);
}
case 0x3A:
{
GameBoy.Cpu.rD = RotateOperations.ShiftRight(GameBoy.Cpu.rD);
return(++instructionAdress);
}
case 0x3B:
{
GameBoy.Cpu.rE = RotateOperations.ShiftRight(GameBoy.Cpu.rE);
return(++instructionAdress);
}
case 0x3C:
{
GameBoy.Cpu.rH = RotateOperations.ShiftRight(GameBoy.Cpu.rH);
return(++instructionAdress);
}
case 0x3D:
{
GameBoy.Cpu.rL = RotateOperations.ShiftRight(GameBoy.Cpu.rL);
return(++instructionAdress);
}
case 0x3E:
{
byte b = GameBoy.Ram.ReadByteAt(GameBoy.Cpu.rHL);
b = RotateOperations.ShiftRight(b);
GameBoy.Ram.WriteAt(GameBoy.Cpu.rHL, b);
return(++instructionAdress);
}
//
default:
{
return(++instructionAdress);
}
}
}