Re: A86: how do I clear the Graph mem?

To: assembly-86@lists.ticalc.org
Subject: Re: A86: how do I clear the Graph mem?
From: "Patrick Davidson" <eeulplek@hotmail.com>
Date: Sun, 02 Nov 1997 15:27:02 PST
Reply-To: assembly-86@lists.ticalc.org

>I was porting over a Usgard prog, and I ran into OTH_CLEAR.  I read
>usgard.h and it says "OTH_CLEAR =3D$8CBF  ; zero BC-1 bytes from 
>HL" how do I do this?
>Any help would be appreciated.

I am not sure about this one, but I think the following routine
will effectively simulate OTH_CLEAR and OTH_FILL:

OTH_CLEAR:  ld      (hl),0
OTH_FILL:   ld      e,l
            ld      d,h
            inc     de
            ldir
            ret


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