High Speed
Williams, 1986You're currently viewing posts by Pinsider falco.
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Didn't see this earlier. If you're still up for trying things... I'd go through the regular things that the audio section CPU needs to run, e.g. reset, clock, ...
In one case, I've seen the reset line preventing it from starting, as it's driven from one of the general purpose PIAs. If all the signals looked OK, I'd burn a test ROM, I'm pretty sure there is one for the sys 11 audio section, and see if that runs it. If not, you're restricted to the CPU, and core logic.
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Auckland
Livermore, CA
Dunakeszi