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Social Forum federato con il resto del mondo. Non contano le istanze, contano le persone

A while back I bought two of those Maclocks with the intention of modding one into a tiny Mac.

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    Adventure games like Monkey Island utilized sprites that could be moved and scaled arbitrarily on the screen. How does this work on a machine that doesn't have support hardware sprites? We will work our way from simple sprites with no transparency, to ones that are clipped, have transparency and can be scaled down arbitrarily. Source Code: https://codeberg.org/root42/VSPRITES Join me on Mastodon: https://chaos.social/@root42 Music: A Little Wonder by Spino2006
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    RE: https://fosstodon.org/@interlisp/115938663174490825Fifth Generation Computer Systems ➝ Quintus Prolog: get it?#prolog #interlisp #ai #retrocomputing
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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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    Nearly 20 years old, LEGO NXT is now running #MicroPython! 😀LEGO MINDSTORMS EV3 (2013) is still the first priority, but we're pulling along NXT (2006) as we go. Much of it is is already working.Thanks @schodet @danderson and many others. #retrocomputing #ewaste