[Coco] running RSDOS games from hard drive?

Mark Marlette mmarlett at isd.net
Sat Sep 18 18:20:15 EDT 2004


At 9/18/2004 03:41 PM -0600, you wrote:

Fred,

If games or whatever don't work under HDB-DOS that is because they are not 
using the DSKCON entry points or are over writing the low RAM area of DECB. 
The SunDog games do their own disk I/O. Can't emulate the calls when they 
are not calling DECB's routines.........

Mark



>On Sat, 18 Sep 2004 12:15:30 -0700 (PDT) Robert Emery
><theother_bob at yahoo.com> writes:
> > Something I've found now that I'm using HDB-DOS with a real HD...
> > many games
> > run fine from the HD, including most or all of Nick M's games
> > (cool!) but many,
> > even some that are a single binary file, lock up as they attempt to
> > access the
> > floppy drive.
> >
> > So I wonder if I go in and look for places where a program accesses
> > $FF40 and
> > just change that to $FF70, would that work? or is there more to it
> > than that?
> >
> > Too bad we don't have HDB-DOS unravelled!
> >
> > Thanks,
> > Bob Emery
>
>I can vouch for Robert on this. I've noticed several games that will not
>run from a hard drive but will run fine from a floppy drive:
>
>Games that will not run from a hard drive:
>PacDude 2
>Cosmic Ambush
>Zenix
>Pegasus and the Phantom Riders (it's hard-coded for floppy)
>Cubix
>Draconian
>Tutankaman
>
>Games that will run from a hard drive:
>Pac Man
>Gate Crasher
>Most other Nicholas Marentes games
>Spider Hyper
>Phantom Slayer
>Blox
>Downland
>Sea Dragon
>Kong
>Nerble
>
>This list obviously isn't comprehensive. I left off all the games that
>require more than one disk to run, and all games that are copy-protected,
>as well as cartridge games and OS-9 games for obvious reasons. That's a
>lot. Are there  any other disk games that run under RS-DOS that people
>know about that won't run on a hard drive?
>
>Fred Provoncha
>
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