Switches & Blinky Light Front Panel for PC?

[Dave McGuire]

On Nov 24, 2009, at 10:24 AM, William Donzelli wrote:
>> Can modern processors be single-stepped?
>
> Can even an 8088 be single stepped?

   If I recall correctly, its registers are dynamic, so you've gotta  
keep the clock running.  On the Z80, you can single-step the CPU  
without stopping the clock by using the /WAIT pin and a flip-flop  
driven from /M1.  I'd imagine it'd be possible to do a similar trick  
on the 8088.

           -Dave
>


-- 
Dave McGuire
Port Charlotte, FL