Re: A86: Some Questions

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Some Questions
From: "Ahmed El-Helw" <ahmedre@bellsouth.net>
Date: Thu, 2 Jul 1998 06:56:31 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


Thanks for your help.  I'll check out that document on Mardell's page.
                                                                    -Ahmed
-----Original Message-----
From: Bill Nagel <b.nagel@usa.net>
To: assembly-86@lists.ticalc.org <assembly-86@lists.ticalc.org>
Date: Thursday, July 02, 1998 12:47 AM
Subject: RE: A86: Some Questions


>
>>
>> Hello Everyone,
>>     Let's see here.. i have some questions, if anyone can help,
>> please do :)
>>
>>             1. What does  set/res appTextSave,(iy+appflags)  do?
>
>Telld _puts and _putc whether or not to write text to the textshadow (see
>the 83 disp info)
>
>>             2. What is $A000 [used in Jimmy's Squarez?]
>
>$8100 to $BF00 is generally safe to use as free ram.
>
>>             3. Where can I find a document saying what commands like
>> rrca/sbc/sla do?
>
>Mardell documented rrca and sla on his page
>SBC simply subtracts the second parameter and the carry bit from the first
>parameter.
>If you do an "or a" it just subtracts the second parameter from the first.
>
>Bill
>
>