private bool SetOutput(Int64 curr, Int64 paramOffset, char mode, string val)
{
bool ok = false;
AddrModes modeInt = (AddrModes)(mode - '0');
switch (modeInt)
{
case AddrModes.ADDR:
{
Int64 address = 0;
ok = Int64.TryParse(data[curr + paramOffset], out address);
if (ok)
{
ok = SetData(address, val);
}
break;
}
case AddrModes.IMMED:
{
ok = SetData(curr + paramOffset, val);
break;
}
case AddrModes.REL:
{
Int64 address = 0;
ok = Int64.TryParse(data[curr + paramOffset], out address);
address += relativeOffset;
if (ok)
{
ok = SetData(address, val);
}
break;
}
default:
{
MessageBox.Show($"Invalid output mode = {mode}");
break;
}
}
return(ok);
}
private bool GetInput(Int64 param, char mode, out Int64 val)
{
bool ok = false;
val = 0;
AddrModes modeAM = (AddrModes)(mode - '0');
switch (modeAM)
{
case AddrModes.ADDR:
case AddrModes.REL:
{
Int64 address = 0;
ok = Int64.TryParse(data[param], out address);
if (modeAM == AddrModes.REL)
{
// extra add the relative base
address += relativeOffset;
}
if (ok)
{
if (address < data.Length)
{
ok = Int64.TryParse(data[address], out val);
ram[address] = val;
}
else
{
if (ram.ContainsKey(address))
{
val = ram[address];
}
else
{
val = 0;
ram[address] = val;
}
}
}
break;
}
case AddrModes.IMMED:
{
ok = Int64.TryParse(data[param], out val);
break;
}
default:
{
MessageBox.Show($"Invalid mode = {mode}");
break;
}
}
return(ok);
}
public static bool isAbsoluteAddr(AddrModes addrMode)
{
return((int)addrMode < 6 && (int)addrMode > 2);
}
