Approaches to projects

From: Dwight K. Elvey <>
Date: Mon Nov 29 12:54:06 2004

>From: "Ethan Dicks" <>
>On Thu, Nov 25, 2004 at 01:26:04AM +0000, Philip Pemberton wrote:
>> In message <>
>> Aside from being a "better KIM"? ISTR it was basically a KIM with a few
>> extras (oscilloscope output, a la the Poptronics Scopewriter) added. I don't
>> think it used the mask-programmed RIOT chips either, unlike the KIM, which
>> makes it (slightly) easier to fix if something goes wrong.
>It does not use mask-programmed RIOT chips... one of the reasons I'm happy
>to have a SYM-1 - no unobtanium ingredients.

Hi Ethan
 One can wire the 6532 and EPROM chip in place of the 6530. It does
require a little mapping because the selects most likely won't
be compatable but the rest should work. There is a fellow in
France that is doing this for Pinball machines.
Received on Mon Nov 29 2004 - 12:54:06 GMT

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