Front Panel Theory - test-drb@ccmp.vtda.org

26 Nov 1998

On Nov 26,  9:42, Allison J Parent wrote:
...
  Subject: Re: Front Panel Theory
 < Do you mean if you execute a HALT instruction? 
...
  No.  Halt is a instruction.  WAIT/ is a device pin.

...
  the WAIT/ state on z80 does not generate refresh as
it's a extended T2
 state and refresh is not output until the cpu proceds to the T3 state. 
Yes, I know - but you wrote "halt" not "wait" so I was surprised (and
it
was late at night, so I didn't think about what you probably meant).

-- 

Pete						Peter Turnbull
						Dept. of Computer Science
						University of York