Re: How does NTSC VIC-II produce 65 cycles per line

From: silverdr_at_srebrnysen.com
Date: Thu, 12 Jan 2023 12:52:09 +0000
Message-Id: <1EAE22B8-C9D4-43AF-BADD-0E30FC377985_at_srebrnysen.com>
> On 12 Jan 2023, at 12:21, Michiel Boland <michiel_at_boland.org> wrote:
> 
> Hi. The PAL VIC-II chip has 9 bits for the X coordinate. That can accommodate 504 pixels (63 cycles) per line. I would assume that the NTSC VIC-II also has only 9 bits for X coordinate. Then how does that chip manage to produce 65 cycles per line? Since 520 pixels would require 10 bits.

FWIW - a number of cycles per line (in every version) do not output any pixels
Received on 2023-01-12 14:03:21

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