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Help to copy PAL16 / GAL16 / GAL20 ICs
I'm currently working on a project to "clone" some old computer boards I
have. The companies are long since out of business. These boards are from around 1983 to 1985. Please be a little patient with me as I'm not that familiar PAL/GAL ICs and can use all the advice I can get. I'm researching in to copying a few of the PAL16 / GAL16 / GAL20 ICs on these boards. I've been reading that it is possible to "read protect" (aka - registered) these chips and fear I may run in to this issue. I'm going to be purchasing an EPROM/PAL/GAL programmer in the near future and could use some advice on what models and software may be appropriate for my work. My needs are pretty basic and most of the technology I'll be working with is from the 1980s. I've been look at an Advin Pilot-MVP, but fear it may be more programmer then I might need. Any recommendations? If the PAL16 / GAL16 / GAL20 ICs are "read protected" (aka - registered) what options do I have to try and reverse engineer these chips? What options do I have to try and figure out how these chips are programmed? I have some basic electronics knowledge, enough to be dangerous, but nothing advanced enough to guide me with PAL/GAL ICs. Any and all advice will be appreciated. I'm also looking for someone to help or "tutor" me with these PAL/GAL ICs and I'd be willing to pay for this service. You can email me directly at "apl2research -at- comcast.net" or post a replay here. Thanks in advance for your help. Henry |
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