At 07:48 PM 5/26/2005 +0100, you wrote:
>I did actually see that example earlier, but I decided to make my own,
>as I need it to be as quick as possible, because I am also running
>some other timing critical functions, like strobing 3 7seg led
>displays.

Why don't you unroll the loop and access the bits directly?
(more code memory required, but faster)

Or perhaps you could use a register for the loop counter like this


for (m=0x01; (m & 0xFF)!=0; m<<=1)
   {
   ...
   }


Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
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