Re: compiler for GAL

voder!nsc!! (Taed Nelson)
Tue, 11 Aug 1992 00:33:49 GMT

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Newsgroups: comp.compilers
From: voder!nsc!! (Taed Nelson)
Organization: Applications Technology, National Semiconductor (Santa Clara, CA)
Date: Tue, 11 Aug 1992 00:33:49 GMT
References: 92-07-098 92-08-021
Keywords: hardware (Aarnoud Hoekstra):
> I'm looking for a compiler which compiles boolean expressions
> into JEDEC code. I need it in order to be able to program
> programmable logic devices (e.g. GAL, PAL etc.).

I came into this discussion a little late, but National Semiconductor
offers a free package called OPALjr which will do what you want. We
support all of the standard PALs and GALs, as well as our own custom
devices. Although it is free, the source is not available if that's what
you were looking for.

You can get a copy by calling 408-721-2092 or emailing Please only request it if you might actually use

We also offer a functional equivalent to ABEL for 20% of the cost ($500),
which you may want to consider if you need something more powerful. Other
companies, such as Intel, AMD, and Signetics offer similar packages (both
free and low-cost), but I am unaware of their contact numbers.

There was an article in the 7 November 1991 issue of Electronic Design
which compared and contrasted all of the PAL programming tools, as well as
gave contact numbers.

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