Re: A89: Phoenix/SMQ/ROM 1.05

To: assembly-89@lists.ticalc.org
Subject: Re: A89: Phoenix/SMQ/ROM 1.05
From: Ti Calc <ticalcnews@yahoo.com>
Date: Fri, 1 Oct 1999 20:08:00 -0700 (PDT)
Reply-To: assembly-89@lists.ticalc.org

hi,
i don't think it has anything to do with the hardware.
 because i bought my ti89 about four days ago and it
has ROM 1.05 and it displays Hardware version 2.00.  I
downloaded the latest DoorSos and downloaded the patch
that fixed all the games for the new Rom version.  I
didn't have any problem running games.  I played
Phoenix and Super Mario Quest.  Nothing went wrong. 
Try getting the latest DoorSos and use the patch.

--- Scott Noveck <noveck@pluto.njcc.com> wrote:
> 
> To address the recent posts about phoenix and SMQ on
> the new 89s -- try
> downgrading to ROM 1.00 and you should be fine. 
> This is NOT hardware
> related!  The problem is that the Graphlib greyscale
> routine stores itself
> in interrupt 1 -- but with interrupt 1 disabled the
> TIOS key reading
> routines (like those used in TI-BASIC and
> userlib::idle_loop) will not work.
> Graphlib solves this problem by automatically
> calling the TIOS routines
> right after switching the screen.  This is fine in
> ROM 1.00; however, ROM
> 1.05 features a slower tios key-reading routine. 
> This slows down the
> greyscale too much, causing the greyscale appearance
> to fail and the games
> to run slower.
> 
> I recommend that you go back to ROM 1.00 unless you
> need 1.05's faster
> integration.  The benefits of 1.05 are too much of a
> hassle with ASM
> programs; wait for ROM 2.00 instead.  FYI, you could
> also run SMQ in black
> and white mode.
> 
>     -Scott
> 
> 
> 

=====

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Re: A89: Phoenix/SMQ/ROM 1.05

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