Re: A83: Re: < or > commands?

To: assembly-83@lists.ticalc.org
Subject: Re: A83: Re: < or > commands?
From: Scott Dial <wrath@calc.org>
Date: Fri, 21 Jan 2000 22:03:56 -0500
Organization: ByMe Inc. Technologies \ TCPA
References: <20000122023025.18182.qmail@web3306.mail.yahoo.com> <000d01bf6482$afd28a00$1a5feda9@ucdavis.edu>
Reply-To: assembly-83@lists.ticalc.org


It should be noted that nc means equal to also...

Kouri wrote:
> 
> Ah, welcome to the world of the carry flag. :)
> Let's say you want to compare a to b, and if b is greater, then jump to somewhere:
> cp b \ jr c,BisGreaterThanA
> 
> The cp instruction acts like a subtraction, so if a was 5 and b was 10, 5-10 == -5, which would result in the carry flag
> being set.
> 
> Similarly, if a was 6 and b was 3, 6-3 == 3, and the carry flag would be reset.
> cp b \ jr nc,AisGreaterThanOrEqualToB
> 
> So by testing for the carry flag, you should be able to figure out all that greater than/less than stuff.
> 
> ----- Original Message -----
> From: "Chris DC" <dreamcast_84@yahoo.com>
> To: <assembly-83@lists.ticalc.org>
> Sent: Friday, January 21, 2000 18:30
> Subject: A83: < or > commands?
> 
> is there any greater than or less than commands?
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-- 
Scott "_Wrath_" Dial
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Follow-Ups:

Re: A83: Re: < or > commands?

From: "Kouri" <Kouri@ucdavis.edu>

References:

A83: < or > commands?

From: Chris DC <dreamcast_84@yahoo.com>

A83: Re: < or > commands?

From: "Kouri" <Kouri@ucdavis.edu>