On Mon, 2 Jun 2003, Olin Lathrop wrote:

> > 3. if you need real randomness (different each time you reset the PIC)
> > use a user input, for indstance the time a key is pressed modulo 256 us.
>
> Timer 0 based random number generators also seem to have this
> characteristic at least sometimes, although I'm not sure exactly why.  My
> HAL project (http://www.embedinc.com/pic/hal.htm) contains a random number
> generator to select the sound snippet to play, when to play it, and when
> and how to shift the "eyes" around.  The same unit will do a different
> sequence every time it is powered up.

Could this be because you start incrementnig TMR0 without setting any
starting value?  Register contents are "random" at powerup.

Bill

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