Re: [uCsimm] GDB interface.

From: David Williams (
Date: Sun Jan 09 2000 - 15:31:43 EST

The 68EZ328 has an emulator mode (different to CPU32 BDM). I have a working GDB stub
that uses this mode and have been using GDB to debug some code - quite handy. The
main problem for uCsimm is that it does not provide a method for entering emulation
mode. See my web site for details of a modification you could possible hack onto the
board to support this. I hope to post the GDB stub to my site (Dragonball Developers
Lair) soon.

David Williams

Tom Walsh wrote:

> Well, unless I am missing something from the read through of the EZ328
> docs, the debugging of the processor code will be done via
> "poke-n-hope". The rather sofisticated EMU interface of the previous
> 68K flavors is not available in the EZ328, now I am sorry that I did not
> tie an LED to one of the unbussed I/O pins. Dunno just how often that
> LED has come in handy when debugging (no, I have never used an emulator
> in the past 22 years, most places I worked at were too cheap to purchase
> them for "those little bitty processors").
> TomW
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