[Coco] Optimizing 6809 Assembly Code: Part 2 – Speedup Storing Data – Unrolling Loops
Glen Hewlett
glen.hewlett at sympatico.ca
Sun Sep 17 11:03:07 EDT 2017
Hi Mark,
I love to hear stuff like this! That’s the main reason I posted the blog. Of course it’s also a great reference for me to also refer to… :)
Yeah, I hear you about keeping things the same at first, then optimized later. Very important.
Cheers,
Glen
> On Sep 17, 2017, at 8:15 AM, Mark McDougall <msmcdoug at iinet.net.au> wrote:
>
> Hi Glen,
>
> Great series of articles!
>
> Wasn't aware of the tfr/leau optimsiation - although I did note that tfr was _slow_! Just went through Knight Lore (some news on that subject very soon) and replaced 14 occurrences - thanks!
>
> It also reminded me to look for bsr,rts and I found a few of those as well but in my defence, I was focused at the time on keeping the code "the same" as the original! ;)
>
> Regards,
>
> --
> Mark McDougall
> <http://retroports.blogspot.com.au>
>
> --
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