Re: A86: CA check

To: assembly-86@lists.ticalc.org
Subject: Re: A86: CA check
From: assets <assets@eden.rutgers.edu>
Date: Sat, 05 Sep 1998 15:27:50 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Organization: Rutgers University
References: <3.0.5.32.19980824213817.008b71d0@tfs.net>
Reply-To: assembly-86@lists.ticalc.org




David Phillips wrote:

> Do you mean the carry flag?  If that is the case, there are a couple of
> ways.  First, just use it for a conditional jump (or return/call):
>
> jr c,CarryFlagSet
> jr nc,CarryFlagNotSet
>
> If you want the value as 1 or zero, clear a and add with a carry to 0:
>
> ld a,0          ; can't be xor a, since that clears flags
> addc a,0        ; add the carry flag to 0

 ld a,0 rlca

>
>
> At 09:31 PM 8/24/98 -0400, you wrote:
> >    I know I have been asking alot of questions, but here's  another one:
> >How would I find the value of CA? In the decimal to  fraction converter
> >call, it returns 1 in CA if successful, how can I check what  it returns?
> >Thanks in advance! --------------
> >Jbrett
> >tbarwick@esn.net
> >http://ww2.esn.net/~tbarwick
> >
>
> --
> David Phillips
> mailto:electrum@tfs.net
> ICQ: 13811951
> AOL/AIM: Electrum32

References:

From: