Re: Theorizing about hack / mod / expansion of a C64 motherboard.

From: tokafondo <tokafondo_at_gmail.com>
Date: Wed, 29 Jul 2020 20:37:37 -0500 (CDT)
Message-ID: <1596073057223-0.post_at_n4.nabble.com>
Wavestar wrote
> Lets remember that the Commodore 64's system bus was a 14 to 17 MHz
> computer (Y1 clock) even though the CPU is ~1 MHz. This means whatever is
> emulating the C64 must be able to emulate the system bus and behavior of
> multiple chips at 14-17 MHz.
> 
> (http://cbm-hackers.2304266.n4.nabble.com/65816-emulating-a-C64-tp4669364p4669376.html)

I knew that the VIC-II run at 8Mhz internally, but not that the system bus
run at 14-17 Mhz. If this is the case, it seems that the C64 motherboard can
support actually high speed clocks... for a vintage computer, of course.



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Received on 2020-07-30 04:00:03

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