Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!faatcrl!jprad
From: jprad@faatcrl.UUCP (Jack Radigan)
Newsgroups: comp.sys.amiga.datacomm
Subject: Re: Jr-Comm 1.02
Message-ID: <1490@faatcrl.UUCP>
Date: 22 Jun 91 20:56:40 GMT
References: <676066596.2@kcufgat.fidonet> <5813@tmi.com>
Organization: FAA Technical Center, Atlantic City NJ
Lines: 17

rick@tmi.com writes:

>Uh, methinks Jack uses "ScrollRaster()".  If so, then, no, you can't fix
>the flicker.  That routine has to do a LOT of work, and probably what you're
>seeing is the different bitplanes being scrolled (first one, then the others).
>If JRComm permits, try switching to a 1 bitplane screen (monochrome, don't
>you know) and see if that helps.  On a 1 bitplane screen, ScrollRaster only
>has to do the one bitplane.  Shouldn't flicker then.

>Then again, I could be wrong.   Nahhhhhh!  Not possible!  8-)

  Wanna bet? <grin>

  ScrollRaster() is used when optimization is turned off so that it can coexist
with the Workbench screen.  When on, it uses BltBitMap().

  -jack-