Re: A89: matrix
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Re: A89: matrix
Ah, so sp = a7?? In Zoltan's example, he said to move all the register data
to (sp)... so I assume now that I've read your reply, that sp is really just
a7?
-Miles Raymond EML: m_rayman@bigfoot.com
ICQ: 13217756 IRC: Killer2 AIM: KilIer2 (kilier2)
http://www.bigfoot.com/~m_rayman/
----- Original Message -----
From: Olle Hedman <oh@hem.passagen.se>
To: <assembly-89@lists.ticalc.org>
Sent: Thursday, July 08, 1999 1:30 PM
Subject: Re: A89: matrix
> you push all regs on stack first, since you destroy them, and it is nice
to be
> able to get them back :)
> you could though save a7 (or all) to a fixed data-area in your program.
>
> the pushes of the regs is to be considered in this method too, so you only
gain
> when you exceed a certain number of bytes too move.. I havn't calculated
how
> many yet though, maybe it isn't much.
>
> file://Olle
>
> Miles Raymond wrote:
> >
> > On a side note: why not use the register a7?
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