public void Should_set_call_routine_and_store_result()
{
const ushort packedRoutineAddress = 1234;
var routineArgs = new[] { (ushort)1, (ushort)2, (ushort)3 };
var args = new OperandBuilder()
.WithArg(packedRoutineAddress)
.WithArgs(routineArgs)
.Build();
Mockery
.SetRoutineArgCount((byte)routineArgs.Length);
Operation.Execute(args);
var routineArgsOffset = routineArgs.Length * 2;// <= V4 Specific
var unpackedAddress = ZMemory.UnpackedAddress(packedRoutineAddress);
var expectedPC = (ushort)(unpackedAddress + routineArgsOffset);
Mockery
.ProgramCounterEquals(expectedPC)
.RoutineResultWillBeStored()
.LocalVariablesInitialisedFromMemory(routineArgs.Length)
.RoutineArgsStoredInLocalVariables(routineArgs)
;
}
public void When_no_routine_address_supplied_set_result_to_0()
{
const ushort packedRoutineAddress = 0;
var args = new OperandBuilder()
.WithArg(packedRoutineAddress)
.Build();
Mockery
.AssertStackIsEmpty();
Mockery
.SetRoutineArgCount(0);
Operation.Execute(args);
Mockery
.ResultDestinationRetrievedFromPC()
.ResultStoredWasByte(0);
}