Fixing CoCo3's

Jos Dreesen jos.dreesen at
Sat Jan 28 11:04:16 CST 2006

Roger Merchberger wrote:
> Rumor has it that Jos Dreesen / Marian Capel may have mentioned these 
> words:
>> If you meant to say : I want to repair this machine which has a broken 
>> unobtainable vlsi chip, then forget it . A oneoff copy of a vlsi chip 
>> in  a FPGA is just plain too much work.
> With all due respect, *please* keep that attitude away from the Tandy 
> Color Computer List! :-O
> There are people doing *exactly that* to try to keep our beloved CoCo3's 
> running once the GIME chip start giving up the magic smoke in quantity.
By redesigning a functional equivalent, or by deprocessing a failed chip?

The first is perfectly OK and feasible, the second one is a major work.
Things are simpler for a 20 years old design, but still....


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