Re: A86: cphlde

To: assembly-86@lists.ticalc.org
Subject: Re: A86: cphlde
From: Kirk Meyer <_@ibm.net>
Date: Mon, 04 May 1998 18:14:24 -0600
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
References: <Pine.LNX.3.95.980504132217.353D-100000@S-103-151.resnet.ohio-state.edu> <354E155E.ACF6890B@eden.rutgers.edu> <354E175B.1A419D49@ibm.net> <354E57CF.FDD0B4D0@eden.rutgers.edu>
Reply-To: assembly-86@lists.ticalc.org


that can't be done... that's why you should use the carry flag. the 'jr
p' and 'jr m' commands don't exist...

Dux Gregis wrote:
> 
> and a
>  jr z,a_is_zero
>  jr p,a_is_positve
>  jr m,a_is_negative
> 
> Bit 7 is copied into the sign flag and can be tested with the condition
> statements P and M.
> 
> Kirk Meyer wrote:
> >
> > yes, except that the carry flag can be used w/ the "jr" type
> > instructions whereas the sign flag cannot.
> >

-- 

=====================================
=                                   =
=   Kirk Meyer (mailto:_@ibm.net)   =
= http://www.bigfoot.com/~kirkmeyer =
=                                   =
=   "Set your affection on things   =
=    above, not on things on the    =
=      earth."  Colossians 3:2      =
=                                   =
=====================================

References:

Re: A86: cphlde

From: Dan Eble <eble@cis.ohio-state.edu>

Re: A86: cphlde

From: Dux Gregis <assets@eden.rutgers.edu>

Re: A86: cphlde

From: Kirk Meyer <_@ibm.net>

Re: A86: cphlde

From: Dux Gregis <assets@eden.rutgers.edu>

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