rjpontefract

Results 3 issues of rjpontefract

I've been playing around with the 68K co-pro which is commented out by default. The CiscOS ROM determines the amount of installed memory as follows: ``` checkramsize: MOVE.L A0, -(SP)...

I've been playing around with CPM, in particular the modifications to allow it to run from a hard disk from here https://mdfs.net/Software/CPM/Acorn/HardDrive/. This only works with version 1.20 of the...

Hi, I'd love to see my real BBC model B running this demo but so far, I've failed to make it work. The DSD works fine in b2 and I...