Re: A86: display two registers

To: assembly-86@lists.ticalc.org
Subject: Re: A86: display two registers
From: DEATH <joemama@minot.com>
Date: Fri, 05 Sep 1997 19:27:07 -0500
References: <Pine.LNX.3.95.970905160150.4160A-100000@S-98-190.resnet.ohio-state.edu> <3410697F.863@minot.com> <3410A124.12E4450@polymail.calpoly.edu>
Reply-To: assembly-86@lists.ticalc.org

Trent Lillehaugen wrote:
> 
> DEATH wrote:
> 
> > like this:
> >
> > loop:
> >  ;curs row,col reset here
> >  ld hl,$ffff
> >  ld a,0
> >  call $4a33
> >  dec hl
> >  jp loop
> >  ;made it simpler for the post
> >
> > it displayed random characters when i tried it
> 
>    first off, your  ld hl,$ffff should be BEFORE the loop, otherwise you
> decrement it, then reload the value $ffff into it (doesn't do anygood,
> while you are at it, put the ld a,0 up there too.  Don't know what else
> could be wrong, sorry...

yeah i missed that..the real program has it right

References:

Re: A86: display two registers

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

Re: A86: display two registers

From: DEATH <joemama@minot.com>

Re: A86: display two registers

From: Trent Lillehaugen <tllilleh@polymail.cpunix.calpoly.edu>