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Michael
PostPosted: Fri Nov 04, 2022 4:18 am 
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Location: Michigan, USA
Can you interface an NMOS 6532 chip to a CMOS R65C02 CPU?
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Alarm Siren
PostPosted: Fri Nov 04, 2022 8:37 am 
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I wish WDC were making modern RIOTs... they would be extremely useful in the hobby market for making minimalist systems, plus there's plenty of older commercial systems that could make use of them as spares/replacements - the Atari 2600 sold buckets, if nothing else!

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Want to design a PCB for your project? I strongly recommend KiCad. Its free, its multiplatform, and its easy to learn!
Also, I maintain KiCad libraries of Retro Computing and Arduino components you might find useful.
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GARTHWILSON
PostPosted: Fri Nov 04, 2022 9:21 am 
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Joined: Fri Aug 30, 2002 1:09 am
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Michael wrote:
Can you interface an NMOS 6532 chip to a CMOS R65C02 CPU?

FWIW, there were also CMOS ones (65C32) made. I tend to think it wasn't very many though. I know they existed, because the Cµbit 7540 CPU board I used in the automated test equipment (ATE) in 1990 had one (in addition to other I/O). We had three identical ATE sets. (My project pages on 6502.org are woefully outdated, but Mike just set it up so I can edit them; so I should be improving them soon.)

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
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