public void ShouldEvaluateDeltaValue()
{
EvaluatorContext context = new EvaluatorContext();
FakeConsoleRam ram = new FakeConsoleRam(0xFF);
ram.Data[4] = 4;
// 0xH0004 < d0xH004
ReadMemoryValue readMemory = new ReadMemoryValue
{
Address = 0x0004,
Kind = MemoryAddressKind.Int8
};
DeltaValue deltaValue = new DeltaValue(readMemory);
CompareInstruction compareInst = new CompareInstruction
{
Left = readMemory,
Right = deltaValue,
Operation = ConditionCompare.Less
};
Assert.False(compareInst.Evaluate(ram, context));
ram.Data[4] = 2;
Assert.True(compareInst.Evaluate(ram, context));
Assert.False(compareInst.Evaluate(ram, context));
}
public void ShouldEvalEqualsMemoryWithConstValue()
{
EvaluatorContext context = new EvaluatorContext();
FakeConsoleRam ram = new FakeConsoleRam(0xFF);
ram.Data[4] = 42;
// 0xH0004 == 42
ReadMemoryValue readMemory = new ReadMemoryValue
{
Address = 0x0004,
Kind = MemoryAddressKind.Int8
};
ConstValue constValue = new ConstValue(42);
CompareInstruction compareInst = new CompareInstruction
{
Left = readMemory,
Right = constValue,
Operation = ConditionCompare.Equals
};
var result = compareInst.Evaluate(ram, context);
Assert.True(result);
}