A86: Re: Miscellaneous questions

To: <assembly-86@lists.ticalc.org>
Subject: A86: Re: Miscellaneous questions
From: "Matt2000" <matt2000@gte.net>
Date: Fri, 15 May 1998 19:22:18 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


>Hi, I'm (relatively) new to ti-86 z80 programming and I 
>discovered this list a few weeks ago, and I have just a few questions 
>for anyone who wants to answer...


> 1. Would anyone be interested (anyone = Bill Nagel) in modifying 
>GreyBG so that it only displays on the homescreen? Or, if not, can I at 
>least get some info on how it works?



> 2. The ti-83 has flags that can be accessed off of IY like the 
>86, but it includes some that are for asm programming use (ASM_FLAG1 
>etc). Are there similar ones for the 86?


Yes. It is documented in the flag section on my site at
http://www.dogtech.com/cybop/ti86/


> 3. Ram page 1 has the floating point stack and other boring 
>stuff. Is there any part of this page that my asm program *can't* 
>overwrite (it's not using any OP registers or anything?) I need a LOT of 
>contiguous space for a game I'm making. I could back up the entire page 
>into a string, but that would use 16k of memory while the program is 
>running, so I don't want to do that. 


Use from 8100h to BF00h on Ram Page 1

Later,
    Matt

matt2000@gte.net

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