Re: A86: rom calls

To: assembly-86@lists.ticalc.org
Subject: Re: A86: rom calls
From: Dux Gregis <assets@eden.rutgers.edu>
Date: Sat, 09 May 1998 20:12:58 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <Pine.LNX.3.95.980509141718.31982A-100000@S-103-151.resnet.ohio-state.edu>
Reply-To: assembly-86@lists.ticalc.org


This is called at the beginning of the catalog ($4000 page 1).  I had two
separate results using the dump program...
What I think it somehow does is keeps the top row from scrolling with the rest
of the catalog.

Dan Eble wrote:

> On Sat, 9 May 1998, Dux Gregis wrote:
>
> >
> > How about $4a8a?  It inputs hl (zero terminated string).
> >
>
> That's an interesting one.  Looks like clear to end-of-line.
> It takes no input and modifies nothing.  It uses _putmap to write spaces.
>
> Along the way, I found some other interesting things:
>
> $4A23 - prints a character with _putmap, but does special stuff for Lenter
> ($D6).  Also scrolls the screen if necessary (and if appAutoScroll is
> set).  If it does scroll, then textScrolled will be set, and if
> appTextSave is set, then _textShadow will be scrolled as well.
>
> Bytes ($D13D) and ($D13E) define the top and bottom rows of the scroll
> region.
>
> --------
> Dan Eble (mailto:eble@cis.ohio-state.edu)
>          (http://www.cis.ohio-state.edu/~eble)
>
> "Behold, how great a matter a little fire kindleth!" -- James 3:5

Follow-Ups:

Re: A86: rom calls

From: Dan Eble <eble@cis.ohio-state.edu>

References:

Re: A86: rom calls

From: Dan Eble <eble@cis.ohio-state.edu>