Some time ago I have to make a game were the players have to remember some
Tunes. (Like in Saimon4s Game)
It was a C-MOS based system, but I was obligated to build a Random Function.
I solved it with a 1Mhz oscilator (LM555) and a counter (It was the 4520? or
the 4510?). The counter was working all the time.
But the value of the counter was reading only when the player press the
"NEXT TUNE" botton.
It works terrible fine. I bet that you can4t guess the value of a counter
that runs at 1Mhz.

What do you think?


----- Original Message -----
From: Martin Hill <eaxmjhi@NOTTINGHAM.AC.UK>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Tuesday, April 18, 2000 6:55 AM
Subject: Re: [OT] Software Random function


> If you're program runs off some sort of external interrupts, how
> about just sampling from a fast free runnning counter.  Or some
> external noise source attached to an ADC input.  I know it's not an
> entirely software solution, but it might give more randomness as it
> were.
>
> Martin.
>


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