Re: Converting a Commodore 64 from NTSC to PAL

From: Spiro Trikaliotis <ml-cbmhackers_at_trikaliotis.net>
Date: Fri, 13 Apr 2012 15:33:41 +0200
Message-ID: <20120413133341.GQ21067@trikaliotis.net>
Hello,

* On Fri, Apr 13, 2012 at 02:48:43PM +0200 Rob Clarke wrote:
 
> The TOD clock on the CIA's has a control bit which indicates whether the
> clock signal is 50 or 60 hz. I could not for the life of me remember how
> this gets set by the Kernal.

It's simple: It doesn't. The C64 always sets the TOD bit to 60 Hz,
regardless of PAL or NTSC world.

Thus, programs which use the TOD (yes, both of them ;)) were used to
program the bit themselves if they were programmed in PAL world.

Regards,
Spiro.

-- 
Spiro R. Trikaliotis
http://www.trikaliotis.net/

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