Re: IEC state machine

From: Jim Brain (
Date: 2004-09-30 04:11:01

fachat wrote:

>Hi Jim,
>I know I should read this list more often,,,
>but did you have a look at the VICE implementation of the 
>IEEE488? It is a state engine that is triggered by the
>VIA/CIA/PIO/TPI I/O pin changes. At the appropriate
>places the emulated drive callbacks are called.
No, I did not, although I'm a bit confused:

My code doesn;t implement IEEE488, but the IEC serial routines.  I know 
they are similar, but the IEC protocol is a bit different. 

In any case, I dloaded VICE and checked, but could not find the state 
machine, though searching in the source is like searching for a needle 
in a haystack.

Any pointers?


Jim Brain, Brain Innovations                      
Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times!

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