public static uint MSE(uint unit) /* minus sense */
{
uint skip = 0;
uint CurrUnit = unit >> 4;
uint CurrSubUnit = unit & 0xF;
switch (CurrUnit)
{
case 6: /* Sense Lights */
if (CurrSubUnit >= 1 && CurrSubUnit <= 4)
{
skip = SenseLights.SLT(CurrSubUnit);
}
else
{
throw new InvalidOperationException("invalid Sense Light");
}
break;
default:
throw new InvalidOperationException("invalid device for MSE");
}
return(skip);
}
public static uint PSE(uint unit) /* plus sense */
{
uint skip = 0;
uint CurrUnit = unit >> 4;
uint CurrSubUnit = unit & 0xF;
switch (CurrUnit)
{
case 6: /* Sense Lights */
if (CurrSubUnit == 0)
{
SenseLights.SLF();
}
else if (CurrSubUnit >= 1 && CurrSubUnit <= 4)
{
SenseLights.SLN(CurrSubUnit);
}
else
{
throw new InvalidOperationException("invalid Sense Light");
}
break;
case 7: /* Sense Switches */
if (CurrSubUnit >= 1 && CurrSubUnit <= 6)
{
skip = SenseSwitches.SWT(CurrSubUnit);
}
else
{
throw new InvalidOperationException("invalid Sense Switch");
}
break;
case 14: /* Punch */
if (CPU != null && CurrSubUnit >= 1 && CurrSubUnit <= 2)
{
CPU.SPU(CurrSubUnit);
}
else
{
throw new InvalidOperationException("invalid Punch Sense");
}
break;
case 15: /* Printer */
if (LP != null && CurrSubUnit == 0)
{
skip = LP.SPT();
}
else if (LP != null && CurrSubUnit >= 1 && CurrSubUnit <= 10)
{
LP.SPR(CurrSubUnit);
}
else
{
throw new InvalidOperationException("invalid Printer Sense");
}
break;
default:
throw new InvalidOperationException("invalid device for PSE");
}
return(skip);
}