Re: A86: Re: Greater Than/Less Than

To: assembly-86@lists.ticalc.org
Subject: Re: A86: Re: Greater Than/Less Than
From: ZeromusMog@aol.com
Date: Wed, 9 Dec 1998 00:19:13 EST
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org

In a message dated 12/6/98 7:39:23 AM Pacific Standard Time,
ComAsYuAre@aol.com writes:

> > Why would the carry flag be set if it's negative? Isn't the carry flag for
>  >  when you add past the maximum value of the register? (I.E.:
>  >  
>  >  ld a,200
>  >  add 100
>  >  
>  >  ???
>  
>  both would.  if you had to do
>    ld a,100
>    sub 200
>  
>  then a borrow would be needed (remember this from arithmetic?) in order to
>  perform the operation.  this sets the carry flag.

Then wouldn't that be the Borrow flag? Ah, well, it's Assembly, gotta keep it
simple. :)

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