pal

If like me you're into the reverse engineering of stuff like the SPLD PAL/HAL chips used on early 68k macs, you might be interested in this - DuPAL https://github.com/DuPAL-PAL-DUmper It's not just software, it's also an open source hardware project you can build yourself. Once assembled, you...

A few of members are already familiar with truth tables and reversing PAL / GAL chips. If you're among the less familiar, these are chips with several inputs and several outputs. The output is dependent on the combination of input signals to individual pins — all of which can be customized. This...