. Other compilers will not allow you to
create an array of label addresses. 
<P>
After we successfully interpreted and executed an opcode, the comes a time
to check whether we need any interrupts. At this moment, you can also
perform any tasks which need to be synchronized with the system clock:
<FONT COLOR=#000080>
<PRE>
if(Counter<=0)
{  
  /* Check for interrupts and do other hardware emulation here */
  ...
  Counter+=InterruptPeriod;
  if(ExitRequired) break;
}
</PRE>
</FONT>
Following is a short list 