On Fri, 6 Feb 1998, Maarten ter Huurne wrote:
> On Fri, 6 Feb 1998, NYYRIKKI wrote:
>
> > Does anybody have info about PHYDIO routine? I know, what I must input to
> > that routine, and what AF and B should contain, when it exits, but is
> > there something, that I don't know? I'm trying to make disk-drive emulator
>
> Just a thought, maybe useless, maybe helpfull:
> Loading to 4000-7FFF area is done using a buffer in the system RAM, I
> think. Does your patch catch this?
Hmm. I don't know, is it that this has to be done before calling
to PHYDIO, or does PHYDIO it self handle this?
That HD routine is quite a similar to PHYDIO from disk, because HD and FDD
both are using memory addresses to control hardware. Anyway this was a
good point, and I have to check this out.
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