Re: A89: matrix

Re: A89: matrix

• To: assembly-89@lists.ticalc.org
• Subject: Re: A89: matrix
• From: ComAsYuAre@aol.com
• Date: Thu, 8 Jul 1999 12:12:15 EDT
• Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
• Delivered-To: assembly-89@lists.ticalc.org
• Reply-To: assembly-89@lists.ticalc.org

>  movem.l d1-d7/a2-a6,-(sp)      ; Save all registers
> loop:
>   movem.l (a0)+,d1-d7/a2-a6      ; Suck in 48 bytes at once
>   movem.l d1-d7/a2-a6,(a1)+      ; Store them at destination
>   movem.l (a0)+,d1-d7/a2-a6      ; Suck next 48 bytes in
>   movem.l d1-d7/a2-a6,(a1)+      ; Store at destination
>   ...

shouldn't this be dbra d0,loop since d1 is used in the copying and d0 is free?

>   dbra    d1,loop                ; Do the loop if needed
>   movem.l (sp)+,d1-d7/a2-a6      ; Restore registers

• Re: A89: matrix
• From: Zoltan Kocsi <zoltan@bendor.com.au>

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