Re: A83: Some new romcalls.

To: James Matthews <assembly-83@lists.ticalc.org>
Subject: Re: A83: Some new romcalls.
From: Linus Akesson <lairfight@softhome.net>
Date: Sun, 11 Oct 1998 18:45:50 +0100
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
In-Reply-To: <199810110224.LAA27786@tkb.att.ne.jp>
Reply-To: assembly-83@lists.ticalc.org


On 11-Oct-98, James Matthews wrote:

>Anyone have an idea what these do?  (Linus, Pat).

>_PRINTSCREEN       equ           4DDEh
>_SolveDisp         equ           4DAEh
>_ANGLE             equ           4152h
>_strCat            equ           46B1h; Like C++?
>_EXPTOHEX          equ           434Eh
>_CheckXY           equ           4AF8h
>_shrinkWindow      equ           4749h

I could have a look at them... bbl on that.

>Also, the OP1 to OP6 equates are weird in squish.inc...like:
>OP3         EQU                 804Fh
>OP3EXP      EQU                 8050h
>OP3EXT      EQU                 8058h
>OP3M        EQU                 8051h

>What's with that?

>Later,

>James Matthews (matthews@tkb.att.ne.jp)

>ICQ: 7413754
>http://home.att.ne.jp/gold/tomcat21/index.html
>http://library.advanced.org/18242/

OP3 equ 804fh
The exponent in a floating point number stored in OP3 is at 8050h.
The extra 2 bytes in OP3 start at 8058h.
The mantissa of OP3 starts at 8051h.

Easy peasy.

Linus

References:

A83: Some new romcalls.

From: "James Matthews" <matthews@tkb.att.ne.jp>

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