GALs are great for small-scale glue logic, not for stuff that needs a bunch of chained flip-flops, but great when it’s just a bunch of address decoding and bank switching. Posted in Tech Hacks Tagged GAL, GALasm, Minipro, pal, PALasm, TL866A, WinCUPL Post navigation But it looks like you can still buy Lattice and Microchip (Atmel) ones from various sources. The remaining hurdle if you want to experiment with these programmable logic chips it to actually get them - many are now obsolete. As for controlling the TL866A, there is a Linux port called minipro available on GitLab. The GitHub repository for GALasm states that commercial use is strictly prohibited, so take note if this applies to your project. We’ve seen GALasm used on several projects such as ’s 8085 Minimax. walks you through the programming procedure, and if you’ve programmed EEPROMs before, the process will be familiar.įor those who prefer the Linux or Mac environment, there are some alternatives.

If you’ve done any EEPROM programming lately, chances are you have one of the TL866A MiniPros laying around - this programmer can handle CPLDs, PALs, and GALS as well as EEPROMS. This tool will compile the design, but you still need to program the chip. This runs only in Windows, although some users report success running under Wine on Linux.

Microchip now owns WinCUPL through its acquisition of Atmel in 2016, and offers WinCUPL as a free download from the Microchip website. It turns out the answer is easier than you’d think. And no, you won’t have to dig that old Intel 486 DX2-66 out of the closet and search eBay for working floppy drives. We noted that this was missing from his stepper motor project a few days ago, and before we could even ask him, he answered. The has posted a follow-up video with all the details of how he programs GAL22V10 chips in the modern era.

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