[Coco] values other than 0 or 1 for byte 14 of decb dir entry
flexser at fiu.edu
Mon Mar 26 14:15:09 EDT 2012
I seem to recall that the problem had to do with the weird way ROM
segments move around in response to changing the MMU setting for them.
Which I think was a topic of discussion on the list a couple of years
I'll be interested if you can refresh my memory about what that CoCo
Max 3 compatibility line inserted into the boot program does.
On Mon, Mar 26, 2012 at 9:11 AM, Robert Gault <robert.gault at att.net> wrote:
> You've got a great memory Art but the fix does not help with RGBDOS. The fix
> in the ADOS-3 manual changes line 165 in the BOOT.BAS and BOOTRS.BAS
> programs for CoCoMax but that is not enough. You also have to disable
> ADOS-3. There is no way to disable RGBDOS. I don't believe you can disable
> As for the EPROM, I use a 27C256 with 4 different contents. Only with RGBDOS
> switched in will CoCoMaxIII not work.
> I'll take a look at the CM3 code that line 165 patches to see if I get any
More information about the Coco