> -----Original Message-----
> From: Bourdon, Bruce [SMTP:bbourdon@ZYDACRON.COM]
> Sent: Friday, January 26, 2001 7:37 AM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      [PIC]: In Circuit Debugger?
>
> Have any of you had success building your own ICD for the Pic16F87x that
> works with MPLAB (or even one that doesn't)?
>
> I've been poking around a bit, and I am no closer now than when I started
> -
> and a lot less enthusiastic.
>
> There is some info contained in the piclist archive, but nothing that
> shows
> a successful attempt at it, mostly bits and pieces or quotes from
> elsewhere.
>
> I did find the d877.hex disassembly - thank you very much:
> http://www.piclist.com/techref/microchip/16f877/xicd.htm
>
> And the MPLAB-ICD Module Schematics:
> http://www.microchip.com/Download/Tools/PICmicro/ICDS/MPLABICD/etn21d.pdf
>
> Problem is that Pic16lf876 (U1) is not the target for development, it is a
> controller/interface acting as a go-between with the PC and the target
> device: Therefore, to make a device that worked with MPLAB, we need to
> know
> the contents of U1. I haven't bothered Microchip yet, I doubt they'd be
> sympathetic.
>
> The early bits and pieces I found seemed to imply that this was a
> reasonable
> project. But it now appears much more reasonable to simply purchase
> Microchips package.
>
> Wondering what your experiences have been like.
> Bruce.
>
>
The HEX for the PIC used in the ICD is available as part of the MPLAB
package.  I can't remeber the name of the file off-hand but I'm certain the
information is on piclist.com

Mike

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