🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.os.msdos.programmer
Article #3585

Re: 386 Assembler Question - Easy one...

#3585
From: Mr I Scheepers
Date: Wed, 11 Nov 1992 11:48
16 lines
818 bytes
In <1992Nov9.162931.1@camins.camosun.bc.ca> morley@camins.camosun.bc.ca writes:
>In 386 assembler I need to fill an extended register with 4 copies
>of the same byte.  Right now I'm using the following:

>   mov  al,VALUE
>   mov  ah,VALUE
>   shl  eax,16
>   mov  al,VALUE
>   mov  ah,VALUE

>I'm curious... is there a better/faster way to stuff the register?

How about:
	mov al,VALUE
	mov ah,al
	mov eax,ax
Technical Details
Message-ID: <1992Nov11.114831.6643@ufhx1.ufh.ac.za>
Path: arc1-ca.pugleaf.net!sparky!uunet!psgrain!hippo!ufhx1!cssjs2
References: <1992Nov9.162931.1@camins.camosun.bc.ca>

Show Full Headers
Complete Article Headers
Newsgroups: comp.os.msdos.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!psgrain!hippo!ufhx1!cssjs2
From: cssjs2@ufhx1.ufh.ac.za (Mr I Scheepers)
Subject: Re: 386 Assembler Question - Easy one...
Organization: University of Fort Hare, Alice, Ciskei
Date: Wed, 11 Nov 92 11:48:31 GMT
Message-ID: <1992Nov11.114831.6643@ufhx1.ufh.ac.za>
References: <1992Nov9.162931.1@camins.camosun.bc.ca>
Lines: 17