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September_2000
Re[2]: VECTOR: Difference between 6502 and 6502A??


From: peter jones ( )
Date: Sat Sep 30 2000 - 01:22:55 CDT


-----Original Message-----
From:
To:
Date: Fri, 29 Sep 2000 21:22:51 EDT
Subject: Re: VECTOR: Difference between 6502 and 6502A??

> That is correct. The 6502 is a 1 MHz and the 6502A is a 1.5 MHz. The
> schematic for an asteroids specifies this information.
> ---------------------------------------------------------------------------
Actually its like this!

6502 = 1Mhz.
6502A = 2Mhz.
6502B = 4Mhz.

Asteroids probably had a simple choice, overclock the standard part, or play it safe.
(I wonder if companys now would make the same decision!)

L8r.

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