It looks like the script broke, so here is the direct link to the source code:
http://marcel.carrietech.com/pic/spileds.asm

On 7/27/07, Marcel Birthelmer <marcelb.lists@gmail.com> wrote:
> Rich,
> here is a website I made a while ago detailing how to interface a PIC
> to a MAX7221 with bit-banged SPI communication. Please see if it helps
> you.
>
> http://marcel.carrietech.com/pic/spiled.php
>
> - Marcel
>
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