[sdiy] Understanding 80s Synth Architectures

Dave Brown davebr at modularsynthesis.com
Sun Feb 6 07:11:44 CET 2022

Back in the late 70s the company I worked for undertook a very large
embedded real-time program in PL/M. After they got it fully operational, my
job was to re-write a significant number of modules in assembly language
(8086) to improve performance and reduce size. I did that for the better
part of a year. Listings were on 132 column fan-fold paper and I stacked
them on the side of my desk. The pile was several feet high.


> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of
> grant musictechnologiesgroup.com
> Sent: Saturday, February 05, 2022 12:50 PM
> To: rburnett at richieburnett.co.uk; Synth-Diy mailing list
> Subject: Re: [sdiy] Understanding 80s Synth Architectures
> I agree it must have been a focused effort to pull that off. As a casual
> observer I can say that it was most definitely written in assembler (as
> almost everything was at that time). Your closest HLL would probably
> have been PL/M at the time (but that was Intel focused).
> GB

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