protected void Call(List <ushort> args, bool storeResult)
{
if (args[0] == 0)
{
if (storeResult)
{
var dest = Memory.GetCurrentByteAndInc();
Memory.VariableManager.Store(dest, 0);
}
return;
}
var pc = ZMemory.UnpackedAddress(args[0]);
Log.Write($"New PC: {pc:X5}");
var zsf = new ZStackFrame {
PC = pc, StoreResult = storeResult
};
Memory.Stack.Push(zsf);
var routineArgs = Memory.GetCurrentByteAndInc();
InitialiseLocalVariables(routineArgs, zsf); // V4 Specific
CopyArgsToLocalVariables(args, zsf);
}
private static void CopyArgsToLocalVariables(List <ushort> args, ZStackFrame zsf)
{
for (var i = 0; i < args.Count - 1; i++)
{
zsf.Variables[i] = args[i + 1];
}
zsf.ArgumentCount = args.Count - 1;
}
private void InitialiseLocalVariables(byte routineArgs, ZStackFrame zsf)
{
if (Memory.Header.Version <= 4)
{
for (var i = 0; i < routineArgs; i++)
{
uint address = Memory.Stack.GetPC();
zsf.Variables[i] = Memory.Manager.GetUShort((int)address);
Memory.Stack.IncrementPC(2);
}
}
}