Subject: Re: [stella] Random Numbers From: "Thomas Jentzsch" <tjentzsch@xxxxxx> Date: Thu, 15 Feb 2001 09:02:57 +0100 |
Hi, i've been thinking about a different idea about a random number generator, which doesn't cost you a lot of cycles and RAM space. Why not using the values of INTIM? 1. load a by one decreased value into TIM64T and let the loop countdown not to 0 but to negative values 2. make the checking loop 8 or 16 cycles long 3. get the lower bits (up to 3 or 4) from the last load of INTIM Those bits shoud be nearly random, but only if your code before doesn't have a very constant timing (uses branches etc.) You have to test... _______________________________________________________ Thomas Jentzsch | *** Every bit is sacred ! *** tjentzsch at web dot de | _______________________________________________________________________________ Alles unter einem Dach: Informationen, Fun, E-Mails. Bei WEB.DE: http://web.de Die große Welt der Kommunikation: E-Mail, Fax, SMS, WAP: http://freemail.web.de - Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Re: [[stella] [POLL] So, what are y, Dan Iacovelli | Thread | Re: [stella] Qb: v0.03, Kurt . Woloch |
Re: [stella] Qb: v0.03, Chris Wilkson | Date | Re: [stella] Qb: v0.03, Kurt . Woloch |
Month |