Re: PET 50Hz editor ROMS (corrections)

From: Clockmeister <*clockmeister_at_internode.on.net*> Date: Wed, 30 Apr 2014 23:18:09 +0800 Message-ID: <53611431.1000507@internode.on.net> · clockmeister_at_internode.on.net

On 30/04/2014 11:06 PM, William Levak wrote:
> On Wed, 30 Apr 2014, William Levak wrote:
>
> The formula for the resolution is the resolution of the signal from 
> the CRTC. 80 column machines double the horizontal resolution by logic 
> on the system board.
>
> On examining the data closer, I see that there are both 40 and 80 
> column 50 Hz machines using the same CRTC data.  The row in the table 
> labeled
> "40 col. 50 Hz" should read "40/80 col. 50 Hz".  These are probably 
> the standard values.  That leaves two ROMs using different values.  
> One is clearly PAL.  I don't recognize the other.  It isn't NTSC.
>

SECAM?

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