[Coco] Software testing for FDC emulator

[Darren A]

On 4/23/11, Robert Gault  wrote:
>
> Well I've located the data for the initial graphics in T33-T39. The display
> screen is just the standard HSCREEN2 mode and I can display the screen with
> any
> version of MESS if I write a short Basic program to load the data to the
> standard location.
> It is the boot program itself that moves the edges of the screen. It must be
> the
> proprietary disk I/O routines reading incorrect data as the GIME is
> correctly
> set up by the boot program.
>
> With MESS, this type of error generally is a timing issue. Perhaps that's
> your
> problem also.


I also suspect that a timing issue is the problem.


>
> You have not said if you want the disassembly of the 7th Link boot program.
>


I can get a disassembly dump from the MESS debugger.  If you have
something that would be more useful then please do send it.

Darren