public void CanInitializeRegistryWithAnInstruction()
{
const Opcode opcode = Opcode.Nop;
var instruction = new InstructionTestDouble();
var registry = new Registry {
{ 0x00, opcode, instruction, AddressingMode.Implied } };
Assert.That(registry.Get(opcode), Is.EqualTo(instruction));
}
public void CanGetACodeFromAnInstructionOpcodePair()
{
const byte expectedCode = 0xFF;
const Opcode opcode = Opcode.Nop;
const AddressingMode mode = AddressingMode.Implied;
var instruction = new InstructionTestDouble();
var registry = new Registry {
{ expectedCode, opcode, instruction, AddressingMode.Implied } };
Assert.That(registry.Get(opcode, mode), Is.EqualTo(expectedCode));
}
public void CanInitializeRegistryWithACodeAddressingModePair()
{
const byte code = 0xFF;
const Opcode opcode = Opcode.Nop;
const AddressingMode mode = AddressingMode.Implied;
var instruction = new InstructionTestDouble();
var registry = new Registry {
{ code, opcode, instruction, AddressingMode.Implied } };
Assert.That(registry.Get(code).Opcode, Is.EqualTo(opcode));
Assert.That(registry.Get(code).Mode, Is.EqualTo(mode));
}