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namespace Q1.tests.Core.Instructions;
using core.Arch;
using core.Arch.Lookups;
using core.Components;
[TestFixture]
public class DataInstructionTests : InstructionTestBase
{
[TestCase(0x0000)]
[TestCase(0xFFFF)]
[TestCase(0x1234)]
[TestCase(0xABCD)]
[TestCase(0x5555)]
[TestCase(0b1010101010101010)]
public void InverseDxInstruction_ShouldCorrectlyInvertBits(int value)
{
// Arrange
u16 value16 = (u16) value;
var chip = this.CreateChip();
chip.Dx = value16;
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("INV(DX)"),
0,
0,
true);
chip.Bus.WriteWord(chip.Pc, instruction);
// Act
chip.Clock();
// Assert
u16 expected = (u16) ~value16;
Assert.That(chip.Dx, Is.EqualTo(expected));
}
[TestCase(0x0000)]
[TestCase(0xFFFF)]
[TestCase(0x1234)]
[TestCase(0xABCD)]
[TestCase(0x5555)]
[TestCase(0b1010101010101010)]
public void InverseInstruction_ShouldCorrectlyInvertBits(int value)
{
// Arrange
u16 value16 = (u16) value;
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("INV"),
AddressingModes.GetAddressingMode("Immediate"),
0,
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), value16);
// Act
chip.Clock();
// Assert
u16 expected = (u16) ~value16;
Assert.That(chip.Dx, Is.EqualTo(expected));
}
[TestCase(0b01, 0b10)]
[TestCase(0b1111, 0b0000)]
[TestCase(0b1010, 0b0101)]
[TestCase(0x1234, 0x5678)]
public void AndInstruction_ShouldCorrectlyAndBits(int value1, int value2)
{
// Arrange
u16 value16_1 = (u16) value1;
u16 value16_2 = (u16) value2;
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("AND"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), value16_1);
chip.Bus.WriteWord((u16) (chip.Pc + 4), value16_2);
// Act
chip.Clock();
// Assert
u16 expected = (u16) (value16_1 & value16_2);
Assert.That(chip.Dx, Is.EqualTo(expected));
}
[TestCase(0b01, 0b10)]
[TestCase(0b1111, 0b0000)]
[TestCase(0b1010, 0b0101)]
[TestCase(0x1234, 0x5678)]
public void OrInstruction_ShouldCorrectlyOrBits(int value1, int value2)
{
// Arrange
u16 value16_1 = (u16) value1;
u16 value16_2 = (u16) value2;
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("OR"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), value16_1);
chip.Bus.WriteWord((u16) (chip.Pc + 4), value16_2);
// Act
chip.Clock();
// Assert
u16 expected = (u16) (value16_1 | value16_2);
Assert.That(chip.Dx, Is.EqualTo(expected));
}
[TestCase(0b01, 0b10)]
[TestCase(0b1111, 0b0000)]
[TestCase(0b1010, 0b0101)]
[TestCase(0x1234, 0x5678)]
public void XorInstruction_ShouldCorrectlyXorBits(int value1, int value2)
{
// Arrange
u16 value16_1 = (u16) value1;
u16 value16_2 = (u16) value2;
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("XOR"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), value16_1);
chip.Bus.WriteWord((u16) (chip.Pc + 4), value16_2);
// Act
chip.Clock();
// Assert
u16 expected = (u16) (value16_1 ^ value16_2);
Assert.That(chip.Dx, Is.EqualTo(expected));
}
}
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