Date   : Sun, 20 Sep 2009 23:36:32 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: ROMS is MOS 3.50 that can be exchanged

> In MOS 3.50 ADFS and DFS share code and need to be 4 ROM slots
> apart from each other. If you remove the DFS, then ADFS will crash.
> I'll dig around and document MOS 3.50 a bit more.
 
http://mdfs.net/Info/Comp/BBC/SROMs/MegaROM.htm now updated to
detail the MOS 3.50 megaROM.
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
PDP-11 BBC BASIC development - http://mdfs.net/PDP11/BBCBasic/blog