[HN Gopher] Dec's OS-like RSX-11M for the Z280 CPU ___________________________________________________________________ Dec's OS-like RSX-11M for the Z280 CPU Author : JPLeRouzic Score : 20 points Date : 2023-05-13 20:12 UTC (2 hours ago) (HTM) web link (github.com) (TXT) w3m dump (github.com) | johndoe0815 wrote: | Nice - the Z280 was an amazingly capable CPU which never gained | much popularity. | | There is also a Unix-like OS for Z280-based systems, Uzi280 based | on Uzi for the Z80 by Doug Braun. | | Uzi280 is a 7th Edition Unix clone with multiuser and | multitasking functionality. It supports binaries with separate | I&D (instruction and data spaces, similar to larger PDP11 | systems), code sharing, process paging, and a hard-disk cache. | The kernel is mostly written in c and fits into a single 64K | memory segment. | | A description of Uzi280 can be found at | https://oldcomputers.dyndns.org/public/pub/rechner/zilog/z28... | | However, the downloads linked there no longer work. You can find | a copy of Uzi280 and other software for Z280-based systems at | https://github.com/agn453/Z280RC and an emulator at | https://github.com/mtdev79/z280emu | johndoe0815 wrote: | Update - we used to host Z280 at the Unix-AG ftp server in | Siegen, which is no longer online. | | I uploaded a copy of Uzi280 release 1.12 from a backup to | https://multicores.org/uzi280/ | bediger4000 wrote: | Alan Cox has a "Fuzix" repo, that puts together Uzix variants | for the Z80. | | https://github.com/EtchedPixels/FUZIX | [deleted] ___________________________________________________________________ (page generated 2023-05-13 23:00 UTC)