Til Zilog developed its own operating system, in the form of the comprehensively titled Z80 Operating System with Relocatable Modules and I/O Management (Z80-RIO for short)

Zilog’s Forgotten Operating System: Z80-RIO | Hackaday
https://hackaday.com/2023/10/06/zilogs-forgotten-operating-system-z80-rio/

#retroComputing #z80 

 Unusual eBay item... this time a CRT

Sampo 9519 Tri-Screen 19” Color TV from 1981.

Odd thing here is that it has two additional 5" screens on the side

via ebay https://www.ebay.com/itm/285131222925

#crt

https://area51.social/system/media_attachments/files/111/142/674/143/763/565/original/13cf1e769e50716e.jpg