Front Panel Theory

From: Allison J Parent <allisonp_at_world.std.com>
Date: Thu Nov 26 08:42:41 1998

< If you're suggesting that the breakpoint capability of the DPS-1
< front-panel was merely something that tickled a ROM monitor and told it
< drop a software breakpoint, then BZZZT! That would be cheating.

It was a mix of rom and some hardware but, yes!

< >From the hardware description, it looks like it was a real ICE-like
< hardware breakpoint, and you could break on address, data, or status
< conditions. If I could recognize the part numbers in the schematic, I
< might even be able to pretend I know how it works. :-)

That was the part hardware part. Compared to ICE is was far more crude.

Allison
Received on Thu Nov 26 1998 - 08:42:41 GMT