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Date Posted: 05:04:06 01/16/02 Wed
Author: msc
Subject: Re: Black border
In reply to: Jain 's message, "Black border" on 12:18:50 01/14/02 Mon

Might be the code, not matching the local system or improper lock of the PIC...

Mike

>Working with my 3chip I noticed a black border on top
>(begining of the frame), right (end of lines) and
>bottom (end of the frame); checking with the scope I
>could see that the vertical blanking pulse starts 3
>lines earlyer ("covers" 3 active lines at the end of
>the frame) and stops after 2 active lines at the start
>of the frame; also, the horrizontal blanking pulse
>starts 1 microseconds earlyer (and it "covers" the
>last microsecond of the active line, i.e. the black
>part at the right of the screen). Now, this is suppose
>to be NTSC (in Toronto). Someone else noticed this so
>far? It looks like the code has some inappropriate
>timing, but it is strange (I cannot belive Rogers
>changed the standard, adding some lines or...)
>Jain

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