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Re: Home-Brew Cassette Interface

Hi, No, I haven't tested it with any of the other official add in cards, because I don't have any. Electrically, I am confident it should work with the other cards because it only uses the TAPE and PB7 signals, which are essentially reserved for the cassette interface. Mechanically, it is possible i...
by timali
Mar Mon 13, 2017 8:32 pm
 
Forum: Micro-KIM General Discussion
Topic: Home-Brew Cassette Interface
Replies: 4
Views: 15285

Home-Brew Cassette Interface

I built my own cassette interface for my Micro-KIM using a novel design if anyone is interested. I had a hard time finding the ICs used in the original design, plus the original design required 12V, so I decided to redesign it and simplify it by using a single PIC microcontroller to replace the orig...
by timali
Mar Fri 10, 2017 11:00 pm
 
Forum: Micro-KIM General Discussion
Topic: Home-Brew Cassette Interface
Replies: 4
Views: 15285

Single-Step Issue with 65C02

My Micro-KIM shipped with a 65C02, and apparently there is a timing issue which prevents single-step from working with the 65C02. I tried an original NMOS 6502, and single-step worked ok with it, but not with any of my 65C02s. I did some debugging with my scope and determined that there is a small t...
by timali
Mar Wed 08, 2017 9:47 pm
 
Forum: Troubleshooting
Topic: Single-Step Issue with 65C02
Replies: 0
Views: 12573

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