Ejemplo n.º 1
0
        //////////////////////////////////////////////////////////////////////
        //
        //////////////////////////////////////////////////////////////////////
        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);
            }
            }
        }
Ejemplo n.º 2
0
        //////////////////////////////////////////////////////////////////////
        //
        //////////////////////////////////////////////////////////////////////
        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);
            }
            }
        }