On Thu, 16 Mar 2000, Laurens Holst wrote:
> > On Wed, 15 Mar 2000, Laurens Holst wrote:
> >
> > > And have you tried scrolling (a part of) the screen without direct
> access???
> > > Nah, definately direct access.
> >
> > I did. The scroll of FudeBrowser is full screen and quite fast,
> > and made only with BIOS calls. No direct access.
>
> Doh, only changing register 23 isn't very difficult, even with BIOS calls.
> But for example in screen 5, the BIOS only supports low-speed copies.
> And in screen 4, you only use SetVDP_Write and SetVDP_Read and use INIR and
> OTIR for block I/O... Or maybe there is a BIOS call which does about the
> same. That indeed won't be too slow.
Fudebrowser is for MSX1!!! So, there's no use for register 23. And it uses
SCREEN2.
Is that possible? Some time ago I didn't think so. Try it and see!
Greetings from Brazil
-----------------------------------------------------------
Marco Antonio Simon Dal Poz turning your path the best!
[EMAIL PROTECTED] http://www.lsi.usp.br/~mdalpoz
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