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Next gratuitous #RetroComputing nerd project: set up #OS2 Warp 4 on my DOS/Win3 rig.

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    I should post about the latest #retrocomputing project I started.Problem: I'd like an open-source, self-hosting C compiler on 8086, that supports the large memory model, overlays, and enough C89 to build Lua.This seems to not exist! K&R is much more common in this size category. Around the time of C89, many compilers bloated to the point of requiring a 386 or better host, though they could still target 8086. The 8086 holdouts were, in general, commercial products that never got a source release.One notable exception was DeSmet C http://www.desmet-c.com. It seems to have started life as a commercial PC fork of Bell Labs PCC, a small and sturdy K&R compiler. DeSmet 3.1 added "draft ANSI C" support, but this is incomplete, and riddled with code-gen bugs. This version later found itself on Github as OpenDC https://github.com/the-grue/OpenDC.Aside from all the bugs, this is a pretty cool package: its dis/assembler, debugger, text editor, and some other utilities were also open sourced, and it runs on an 8088 with 256K RAM and two 360K floppies.The OpenDC person did a good job packaging things up into an easily buildable form, and fixing syntax errors that probably came from running the sources through a different compiler version than expected, so... yes, it does indeed build and self-host... and I've done this on my Book 8088.So now I will try to fix the bugs and add the missing C89 features. There are many, many of both... gulp.
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    Finally got my very own #DOS machine! Just in time for #DOScember #retrocomputing #sun #unix
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    @jbqueru @altomare They're not (sadly) using metric. The symbol is μ" -- micro-inches. It hurts my brain mixing that prefix with that unit, but there we are.
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    13 settembre 1983#accaddeoggiLa Osborne Computer Corporation licenzia in massa i dipendenti. Dopo il successo dell’Osborne 1, primo portatile, l’azienda cade vittima del “Effetto Osborne”: il nuovo modello, annunciato troppo presto, blocca le vendite del precedente, causando crisi di liquidità. A pesare anche concorrenza e cattiva gestione. Restano solo poche unità di marketing, poi i fornitori denunciano insolvenza.@computer #retrocomputing #retrocomputer #retroinformatica