Daily Archives: 2023-01-19

DiscoBSD: 2.11BSD-Based OS for STM32 and PIC32 Microcontrollers

Source: Hacker News

Article note: Heh. Pre-VM UNIX ported to microcontrollers that dramatically out-muscle the machines it was developed on. That's fun. I don't see exactly how they're handling the 16/32b matter (the parent was PDP-11 16 bit UNIX, these are 32bit micros). I don't think I have any suitable F4 boards lying around or I'd be wasting the rest of the morning fiddling with it.
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Ultibo – Bare-Metal Pascal for Raspberry Pi

Source: Hacker News

Article note: Speaking of Pascal. That's pretty neat. I'd be more hyped about a good bare-metal Pascal of that style targeting something a little smaller (stm32? esp32? riscv?), but it's still neat. Looks like it requires a hacked-up FreePascal/Lazarus system, and isn't self-hosting (like that little crosstalk Smalltalk-80 environment).
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Lisa Source Code Release

Source: Hacker News

Article note: Neat. Mostly pretty literate "Clascal" pre-standard Object Pascal, some 68k assembler. I'm a little peeved that the archive has clearly been re-encoded and has DSStore and MACOSX hidden files all over the place.
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