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namespace Q1.tests.Core.Instructions;
using core.Arch;
using core.Arch.Lookups;
using core.Components;
[TestFixture]
public class LogicInstructionTests : InstructionTestBase
{
[TestCase(0x0000, 0x01)]
[TestCase(0x0001, 0x00)]
[TestCase(0x0005, 0x00)]
public void NotLxInstruction_PerformsNot(i32 input, i32 output)
{
// Arrange
var chip = this.CreateChip();
chip.Lx = (u16) input;
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("NOT(LX)"),
0,
0,
true);
chip.Bus.WriteWord(chip.Pc, instruction);
// Act
chip.Clock();
// Assert
u16 expected = (u16) output;
Assert.That(chip.Lx, Is.EqualTo(expected));
}
[TestCase(0x0000, 0x01)]
[TestCase(0x0001, 0x00)]
[TestCase(0x0005, 0x00)]
public void NotInstruction_PerformsNot(i32 input, i32 output)
{
// Arrange
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("NOT"),
AddressingModes.GetAddressingMode("Immediate"),
0,
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), (u16) input);
// Act
chip.Clock();
// Assert
u16 expected = (u16) output;
Assert.That(chip.Lx, Is.EqualTo(expected));
}
[TestCase(0x0000, 0x0000, 0x01)]
[TestCase(0x0000, 0x0001, 0x00)]
[TestCase(0x0001, 0x0000, 0x00)]
[TestCase(0x0001, 0x0001, 0x01)]
[TestCase(0x1234, 0x5678, 0x00)]
[TestCase(0x8342, 0x8342, 0x01)]
public void CompareInstruction_ComparesCorrectly(i32 a, i32 b, i32 expected)
{
// Arrange
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("CMP"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), (u16) a);
chip.Bus.WriteWord((u16) (chip.Pc + 4), (u16) b);
// Act
chip.Clock();
// Assert
u16 expected16 = (u16) expected;
Assert.That(chip.Lx, Is.EqualTo(expected16));
}
[TestCase(0x0000, 0x0000, 0x00)]
[TestCase(0x0000, 0x0001, 0x01)]
[TestCase(0x0001, 0x0000, 0x00)]
[TestCase(0x0001, 0x0001, 0x00)]
[TestCase(0x1234, 0x5678, 0x01)]
[TestCase(0x8342, 0x1234, 0x00)]
public void LessThanInstruction_ComparesCorrectly(i32 a, i32 b, i32 expected)
{
// Arrange
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("LT"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), (u16) a);
chip.Bus.WriteWord((u16) (chip.Pc + 4), (u16) b);
// Act
chip.Clock();
// Assert
u16 expected16 = (u16) expected;
Assert.That(chip.Lx, Is.EqualTo(expected16));
}
[TestCase(0x0000, 0x0000, 0x00)]
[TestCase(0x0000, 0x0001, 0x00)]
[TestCase(0x0001, 0x0000, 0x01)]
[TestCase(0x0001, 0x0001, 0x00)]
[TestCase(0x5678, 0x1234, 0x01)]
[TestCase(0x1234, 0x8342, 0x00)]
public void GreaterThanInstruction_ComparesCorrectly(i32 a, i32 b, i32 expected)
{
// Arrange
var chip = this.CreateChip();
var instruction = InstructionEncoding
.Encode(
InstructionSet.GetOpcode("GT"),
AddressingModes.GetAddressingMode("Immediate"),
AddressingModes.GetAddressingMode("Immediate"),
true);
chip.Bus.WriteWord(chip.Pc, instruction);
chip.Bus.WriteWord((u16) (chip.Pc + 2), (u16) a);
chip.Bus.WriteWord((u16) (chip.Pc + 4), (u16) b);
// Act
chip.Clock();
// Assert
u16 expected16 = (u16) expected;
Assert.That(chip.Lx, Is.EqualTo(expected16));
}
}
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