The BBC Microcomputer, launched within the early Eighties, holds a particular place in computing historical past. Designed for academic functions, it launched a era to programming and know-how. With its sturdy structure and community-driven modifications, the BBC Micro stays a beloved challenge for retro computing lovers. [Neil] from Retro4U has been delving into this classic machine, showcasing the fascinating means of repairing and upgrading his BBC Micro with a 68008 CPU improve.
Final week, [Neil] shared his progress, unveiling developments in his repairs and upgrades. After tackling a difficult beep challenge, he efficiently managed to get the BBC working with 32 KB of useful reminiscence, permitting him as well into BASIC. However he wasn’t stopping there. With ambitions set on putting in the 68008 CPU, [Neil]’s journey continued.
The 68008 board provides important enhancements, together with multitasking capabilities with OS-9 and its personal laborious drive and floppy disk controller. Nevertheless, [Neil] rapidly encountered challenges; the board’s situation revealed the same old damaged capacitors and some different defective elements. After addressing these points, [Neil] turned his consideration to programming the mandatory ROM for OS-9.
Seeking to get your palms soiled? [Neil] has shared a PDF of the upgrade circuit diagram. You may also be a part of the dialogue with fellow lovers on his Discord channel, linked within the video description.