A83: JR command

To: assembly-83@lists.ticalc.org
Subject: A83: JR command
From: benjamin99@juno.com (Alan C Johnson)
Date: Sat, 11 Jul 1998 22:37:31 -0500
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org


Just curious, when you JR backwords, does it take up as much space as a
JP backwords?  Here's what I was thinking

Prgram opocodes:

$xx	; JR command
$xx	; byte telling processor to jump backwards (kind of like DD
tells it to use IX instead of 		HL, I think)
$xx	; bytes to jump backwards


Program opocodes:

$xx	; JP command
$xxxx	; 16-bit address to jump to


Where all the  x's are opocodes I do not know or addresses or whatever. 
I don't know if anyone understands this and it doesn't really matter
much.  JR is faster anyway I think.

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Re: A83: JR command

From: Linus Akesson <lairfight@softhome.net>