Hello,
Laurens Holst wrote:
>
> I have debugged a large part of the MSX-Dos-kernel, and it has a patchtable,
> so it shouldn't be that difficult to add CD-ROM support to MSX-Dos... Then
> you wouldn't even need to load an external program... There's only one
> condition: if CD-ROM support is included in MSX-Dos, then it should as well
> support IDE as SCSI, otherwise it would result in versions of MSX-Dos which
> can only be run with a certain interface... and that would be no good.
DISKIO (#4010) and some other standard routines in diskroms should be
expanded to handle other media in a *standard* way. Things that should
be standardized:
1. >16-bit sectornumber support
2. a way to figure out of which type a connected drive is and to figure
out if a diskrom supports this standard.
3. Audio CD interface(Play,Stop,...)
The main concern is: it should be a standard and used by Mega-SCSI, IDE
and other interfaces who want to join the club.
1. Long time ago, this item was discussed on this list.
2. Perhaps this can be done by calling a yet existing routine like
GETDPB (#4016) with an invalid parameter (like drivenumber with bit 7
set) An 'old' diskrom will return error, and a new one can return useful
info about the drive.
3. Creation of new entry somewhere in the area of #7Fxx ?
for the moment I'm too busy with other msx stuff, but if you guys&girls
can come up with some nice ideas, don't hesitate (or contacting MegaSCSI
bios programmers to see what they think...)
>
> Ask for the source and you can get it.
nice, I'm interested in it!
Greetz,
Jon
>
> ~Grauw
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