[Coco] flashpak driver
Boisy Pitre
boisy at tee-boy.com
Tue Apr 7 17:41:45 EDT 2009
This happens to be non-functional code for a product that never
existed; I've went ahead and removed it from the repository.
Regards,
Boisy G. Pitre
--
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On Apr 7, 2009, at 4:12 PM, Roger Taylor wrote:
> Boisy, I'm glancing through some of the nos9 source and noticed two
> things right away in flashpak.asm that you might want to change to
> greatly speed up the writes.
>
> bsr WrByte is the only call to WrByte, meaning a lot of cycles are
> wasted having the byte writer as a subroutine, unless further
> expansion will add code that also calls the subroutine.
>
> WrLoop lda ,x+ get data from buffer
> bsr WrByte write that byte <--- only call to byte
> writer
> bcs WrBlkDn if there was an error, break out
>
> inc ,s increment offset
> ldb ,s get new offset <--- This line is not needed
> bne WrLoop
>
>
> --
> Roger Taylor
>
> http://www.wordofthedayonline.com
>
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