public void SET(Executable caller) // sets data to determined position - len: 4
{
uint data;
var instrSet = (FGMSECInstructionSet)(caller.usingInstructionSet);
List <uint> args = new List <uint>();
args.Add(args32[0]);
args.Add(args32[1]);
data = returnValue(args32, instrSet, caller, out int shift);
if (isRegister(args32[2 + shift]))
{
instrSet.CPU.SetRegData(BitConverter.GetBytes(args32[3 + shift])[3], data);
}
else if (isPointer(args32[2 + shift]))
{
List <uint> _args = new List <uint>();
for (int i = 3 + shift; i < args32.Count; i++)
{
_args.Add(args32[i]);
}
caller.Memory.WriteInt32(GetPointerAddress(_args, instrSet, caller, out _), (int)data);
}
}
public void POP(Executable caller)
{
var instrSet = (FGMSECInstructionSet)(caller.usingInstructionSet);
if (isRegister(args32[0]))
{
byte reg = BitConverter.GetBytes(args32[1])[3];
int data = 0;
caller.Memory.Stack.Try_Pop(ref data);
instrSet.CPU.SetRegData(reg, (uint)(data));
}
else if (isPointer(args32[0]))
{
List <uint> _args = new List <uint>();
for (int i = 1; i < args32.Count; i++)
{
_args.Add(args32[i]);
}
int data = 0;
caller.Memory.Stack.Try_Pop(ref data);
caller.Memory.WriteInt32(GetPointerAddress(_args, instrSet, caller, out _), data);
}
}
private static uint returnValueFromAddress(List <uint> args, FGMSECInstructionSet instrSet, Executable caller, out int shift)
{
uint data = 0x00;
shift = 0;
if (isRegister(args[0]))
{
data = instrSet.CPU.GetRegData(BitConverter.GetBytes(args[1])[3]);
}
else if (isPointer(args[0]))
{
List <uint> _args = new List <uint>();
for (int i = 1; i < args.Count; i++)
{
_args.Add(args[i]);
}
int addr = GetPointerAddress(_args, instrSet, caller, out shift);
data = (uint)caller.Memory.ReadInt32(addr);
}
else
{
throw new Exception("Cannot retrive value of one or more elements");
}
return(data);
}
public void END(Executable caller) // terminates the execution of the specified program
{
caller.running = false;
}
private static int GetPointerAddress(List <uint> args, FGMSECInstructionSet instrSet, Executable caller, out int shift)
{
int addr = 0;
shift = 1;
if (isRegister(args[0]))
{
addr = (int)instrSet.CPU.GetRegData(BitConverter.GetBytes(args[1])[3]);
}
else if (isData(args[0]))
{
addr = (int)args[1];
}
else if (isPointer(args[0]))
{
List <uint> _args = new List <uint>();
for (int i = 1; i < args.Count; i++)
{
_args.Add(args[i]);
}
addr = caller.Memory.ReadInt32(GetPointerAddress(_args, instrSet, caller, out int addShift));
shift += addShift;
}
else
{
global::System.Console.WriteLine($"No way to set address found ({args[0]})");
addr = 0;
instrSet.CPU.SetRegData((byte)FGMSECpu.FGMSERegisters.C1, 0xFF00FFA1);
}
return(addr);
}