Exemplo n.º 1
0
        private void ExecuteTestAllRegs(byte extension, ShiftRotateOperations y, byte value,
                                        byte expectedValue, bool expectedCarry, bool expectedSigned,
                                        bool carry = false)
        {
            ForEachRegister((reg) =>
            {
                var ob    = OpcodeByte.New(x: 0, z: (byte)reg, y: (byte)y);
                var model = ExecuteTest(ob, value, (cpu) =>
                {
                    if (extension == 0xDD)
                    {
                        cpu.Registers.IX = Address;
                    }
                    if (extension == 0xFD)
                    {
                        cpu.Registers.IY = Address;
                    }

                    cpu.Registers.Flags.C = carry;
                }, extension);

                if (reg != Register8Table.HL)
                {
                    model.Cpu.Registers[reg].Should().Be(expectedValue);
                }

                model.Memory.Assert(ExpectedAddress, expectedValue);
                model.Cpu.Registers.Flags.S.Should().Be(expectedSigned);
                model.Cpu.Registers.Flags.Z.Should().Be(false);
                model.Cpu.Registers.Flags.C.Should().Be(expectedCarry);
                model.Cpu.Registers.Flags.N.Should().Be(false);
                model.Cpu.Registers.Flags.H.Should().Be(false);
            });
        }
Exemplo n.º 2
0
        public byte DoShiftRotate(ShiftRotateOperations shiftRotate, byte value)
        {
            switch (shiftRotate)
            {
            case ShiftRotateOperations.RotateLeftCarry:
                return(RotateLeftCarry(value));

            case ShiftRotateOperations.RotateRightCarry:
                return(RotateRightCarry(value));

            case ShiftRotateOperations.RotateLeft:
                return(RotateLeft(value));

            case ShiftRotateOperations.RotateRight:
                return(RotateRight(value));

            case ShiftRotateOperations.ShiftLeftArithmetic:
                return(ShiftLeftArithmetic(value));

            case ShiftRotateOperations.ShiftRightArithmetic:
                return(ShiftRightArithmetic(value));

            case ShiftRotateOperations.ShiftLeftLogical:
                return(ShiftLeftLogical(value));

            case ShiftRotateOperations.ShiftRightLogical:
                return(ShiftRightLogical(value));
            }

            throw new NotSupportedException("Unknown Shift/Rotate operation.");
        }
Exemplo n.º 3
0
 public void DoShiftRotate(ShiftRotateOperations shiftRotate, Register8Table reg)
 {
     _primarySet[reg] = DoShiftRotate(shiftRotate, _primarySet[reg]);
 }