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Re: [midatlanticretro] The Jolt

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  • schwepes@moog.netaxs.com
    If I remeber correctly the 6502 chip was not originally designed for micro computers but to govern radar feedback. As such, they reacted to the next event and
    Message 1 of 15 , Jun 28, 2008
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      If I remeber correctly the 6502 chip was not originally designed for micro
      computers but to govern radar feedback. As such, they reacted to the next
      event and then awaited the next event.
      bs


      On Wed, 25 Jun 2008, Dan Roganti wrote:

      >
      >
      >
      > Bob Grieb wrote:
      >
      > That's cool that the 6502 doesn't require a clock.  (see JOLT
      > ad)  I never knew that about it.
      >
      > It must be the only microprocessor that doesn't need one.
      >
      >
      >
      > There's always a clock.
      > That was there way to emphasize there's an internal oscillator and no
      > external crystal was needed.
      > However, this wasn't that stable and most designs tended to connect a
      > crystal for accuracy--right , Herb ?! :)
      > Especially in machines such as the Apple where everything from the
      > cassette, floppy and video was done in software.
      >
      > =Dan
      >
      > --
      > [ Pittsburgh 250th --- http://www2.applegate.org/~ragooman/ ]
      >
      >
      >
      >
      >
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