Path: utzoo!attcan!uunet!samsung!zaphod.mps.ohio-state.edu!uwm.edu!uwvax!uwslh!lishka
From: lishka@uwslh.slh.wisc.edu (a.k.a. Chri)
Newsgroups: comp.sys.handhelds
Subject: Re: Display offset in CHIP48 and BRIX w
Message-ID: <1990Sep17.160239.19509@uwslh.slh.wisc.edu>
Date: 17 Sep 90 16:02:39 GMT
References: <2124@bnlux0.bnl.gov> <16800003@ux1.cso.uiuc.edu> <1990Sep17.024009.6187@uwslh.slh.wisc.edu>
Organization: Wisconsin State Laboratory of Hygiene
Lines: 30

lishka@uwslh.slh.wisc.edu (a.k.a. Chri) writes:
>I ran the CHIP48 program (with BRIX) on my HP48 and got the screen
>offset problem as well.  I had no luck getting the ON-C reset to
>correct the display.  The odd thing about my experiences is that I
>have a revision *A* machine!  I therefore don't think the problems are
>revision-related, but rather are actual bugs in the programming. 

Thanks to a user "whelan" somewhere in Hawaii (I'd like to be there
right now myself ;-), I discovered one of the problems affecting the
CHIP48 display problems.  Apparently, having any sort of *library*
(from a hardware card or from a software port) will move the screen
RAM.  I have one system library permanently installed in software,
which was the source of my problems.  Once I detached *and* removed it
completely from memory, the display anomaly cleared up.

By the way, besides having the screen shifted over, I am seeing one
other screen-related problem.  With a library attached, when CHIP48 is
terminated via the backspace key it does *not* restore the normal
screen.  Instead, it leaves the CHIP48 screen behind with some extra
garbage written to it.

Amazingly enough, I have had no problems with corrupted memory.  ON-C
also seems to always clear up the junk left behind from CHIP48. 

					.oO Chris Oo.
-- 
Christopher Lishka 608-262-4485  "Dad, don't give in to mob mentality!"
Wisconsin State Lab. of Hygiene                                -- Bart Simpson
   lishka@uwslh.slh.wisc.edu     "I'm not, Son.  I'm jumping on the bandwagon."
   uunet!uwvax!uwslh!lishka                                    -- Homer Simpson