A83: Re: ldir


[Prev][Next][Index][Thread]

A83: Re: ldir




This is how I always thought of it:

ldir:
 ld (de),(hl) ; not a valid instruction
 inc hl
 inc de
 dec bc    ; pretend this will set the z flag if bc == 0
 jr nz,ldir

----- Original Message ----- 
From: "Marc Puts" <marcputs@hetnet.nl>
To: <assembly-83@lists.ticalc.org>
Sent: Tuesday, January 25, 2000 07:59
Subject: A83: ldir



I don't understand the ldir command.

load, increment, repeat.

Repeat what?


Can anybody explain it to me?

Thanx,
  __  __
 |  \/  |
 | \  / | __ _ _ __ ___
 | |\/| |/ _` | '__/ __|
 | |  | | (_| | | | (__
 |_|  |_|\__,_|_|  \___|




References: