VECTORLIST - The Mailing List For The Technical Discussion of Vector-Based Arcade Games

April_2001
Re: VECTOR: Deluxe clock


From: Andy Welburn ( )
Date: Wed Apr 25 2001 - 08:59:40 CDT


I've used 12mhz xtals on battlezone/asteroids/asteroids deluxe with no
problems for quite a while.. the 12.096mhz xtals are close to
unobtainable... 12mhz seems to do the same job, purists would say the game
runs slower, but can you notice a .096mhz difference in a game?

hehe

enjoy!

Andy Welburn

> I accidentally knocked the crystal off the board. I replaced it with
> another 12Mhz crytsal. I have bags of these from 8051 circuits I built
> eons ago. They appear to have the same function. Should they work as a
> master clock on this board OK? The markings on the crystal are:
>
> 12.0000
> MP-1
> M-TRON
> 87-12-01
>
> I'm assuming these are M-Tron 12Mhz crystals that were manufactured in
> December of 1987. ;-)
>
> -->Neil

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