uzics
FUZIX
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uzics | FUZIX | |
---|---|---|
2 | 13 | |
80 | 2,094 | |
- | - | |
10.0 | 8.1 | |
over 5 years ago | 7 days ago | |
C | C | |
- | GNU General Public License v3.0 or later |
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uzics
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AT&T Syntax versus Intel Syntax
The 8086 was (barely) capable of running Unix, whereas the Z-80 definitely was not.
https://github.com/chettrick/uzics
You're wrong ;-)
Neither the 8086 nor the Z80 have virtual memory. The x86 has a larger instruction set and address space (1MB) but as it turns out, early Unix kernels didn't need that much RAM either.
- If you thought running Linux on a 3DS or PS2 wasn't crazy enough, here's Linux on a Nintendo DS Lite
FUZIX
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Dec RSX-11M OS-Like for the Z280 CPU
Alan Cox has a "Fuzix" repo, that puts together Uzix variants for the Z80.
https://github.com/EtchedPixels/FUZIX
- If you thought running Linux on a 3DS or PS2 wasn't crazy enough, here's Linux on a Nintendo DS Lite
- FuzixOS
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Unix on 6800?
Fuzix does appear to have CPU support for 6800 and is probably your best starting location. Although based on what I've seen of the ET-3400 you could be in for quite the uphill struggle.
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Brooks, Wirth and Go
Software complexity also helps to establish or maintain the predominance of large corporations on the market. In contrast, a simple software system can be reimplemented by a small team or even a single person, so there is more competition. This is not only demonstrated by Wirth's systems, but also by several 7th edition Unix clones of the 80's [1-4] as well as current ones [5] and also reimplementations of the classic MacOS [6].
Back in the 1980s, operating systems and compilers were often seen as the most complex pieces of software. Nowadays, web browsers include (and reimplement) large parts of an OS and compiler and are probably even more complex than a current OS such as Linux or a current compiler such as clang/LLVM. Only rich (or well funded) companies such as Google, Apple and the Mozilla foundation can afford to build a browser today that can be used to access current web pages.
So a central question is if we can turn back times and make software more simple again. Maybe this ship has already sailed - but it can't hurt to try. From experience with my students, it is extremely satisfying for them to build a complete system from scratch instead of mostly copying and pasting library calls or StackOverflow code snippets. Thus, I try to enable my students to experience this sense of achievement. They will probably never get the chance to do something similar in their later career in industry.
[1] One Man Unix for 68k - http://www.pix.net/mirrored/discordia.org.uk/~steve/omu.html
[2] Uzix for Z80 (link to the MSX port) - http://uzix.sourceforge.net
[3] Coherent Unix - https://en.wikipedia.org/wiki/Coherent_(operating_system)
[4] Minix - https://www.minix3.org
[5] Alan Cox' Fuzix - https://github.com/EtchedPixels/FUZIX
[6] Ardi Executor - https://en.wikipedia.org/wiki/Executor_(software)
- Unix for the Osborne Executive
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Linux Has Largely Abandoned Still-Useful Near-Vintage Computers
How about FUZIX? It might be a better fit for vintage computers?
https://github.com/EtchedPixels/FUZIX
- Now you can run Unix on the tiny $4 Raspberry Pi Pico
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unix for MSX
Also fuzix: https://github.com/EtchedPixels/FUZIX
- Unix Implementation for MSX (2005)
What are some alternatives?
elks - Embeddable Linux Kernel Subset - Linux for 8086
linux - Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/
lk - LK embedded kernel
py2exe - Create standalone Windows programs from Python code
nixpkgs - Nix Packages collection & NixOS
nds-hb-menu
ChessPositionRanking - Software suite for ranking chess positions and accurately estimating the number of legal chess positions
lk - LK embedded kernel
linux - Linux kernel source tree
RSX280 - RSX-11M-like OS for the Z280 CPU.
Z280RC - Software for Bill Shen's Z280RC Single Board Z280 system on a RC2014 board