A86: Re: Re: Sierpinski Problems

To: <assembly-86@lists.ticalc.org>
Subject: A86: Re: Re: Sierpinski Problems
From: "Dave M. Weprin" <bioserr@megsinet.net>
Date: Sun, 6 Dec 1998 01:00:47 -0600
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


Thanks a bunch!
-----Original Message-----
From: Dux Gregis <assets@eden.rutgers.edu>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Sunday, December 06, 1998 12:04 AM
Subject: A86: Re: Sierpinski Problems


>
>
>
>>
>>Hello.  I'm almost ready to release my Sierpinski Fractal Drawer.  It's
>>pretty neato, since it uses my own routine that's so fast, it only takes
>>about 0.2 seconds to draw the whole thing!  =)
>>
>>The one problem, is that if there's any small interference, the whole
thing
>>goes outta whack.  The main thing is when the user leaves the Axes On, has
>>not cleared the graphmem, or has left FNON.
>>
>>Now the questions:
>>Which Flag do I reset in order to disable the Axes?
>
>it appears that set 5,(iy+4) will turn off the axes
>res 5,(iy+4) will turn them back on
>
>>How do I prevent it from getting messed up if the user has something drawn
>>in the graph screen?
>
>clear the graph screen:
> ld hl,_plotSScreen
> ld de,_plotSScreen+1
> ld bc,1023
> ld (hl),0
> ldir
>
>
>>Does _clrLCD affect the GRAPHMEM?
>
>no
>
>>How do I turn FNOFF in ASM?  Is there a flag to reset?
>
>it probably has to do with a flag in the equation variable VAT entry or
>something like that, aar you'd be better off not worrying about it
>
>>Should I just do this stuff in BASIC, and call the actual Sieprinski
>program
>>from a BASIC program?  (It can't be run from a shell anyways).
>>
>>Thanks a bunch!
>>
>>P.S.  -  Should I send what I already have?  (Two components:  ASM drawer:
>>131 bytes, BASIC drawer:  ONLY 7 LINES LONG!!  =), the BASIC program only
>>spends about 2 minutes drawing the whole thing...It uses my own routine.
>>
>
>