Re: DHGR Video Riddle Solved!!!

[CUTblakeney@home.com (Jeff Blakeney)]

On Mon, 11 Sep 2000 11:20:26 -0500, "Arkain" <rwking@no.usa.spam.net>
wrote:

>Even in 80 column mode, you get a 1/2 pixel shift. This is why 80 column
>text in mixed mode under a hires display is prone to color-bleeding on
>composite displays. The 1/2 pixel shift is better described as a phase
>shift.

I don't know the exact details of how everything works but I have
never seen a half pixel shift in 80 column or DHR mode.  If you can
get a half pixel shift, then it should be possible to write a program
that will display 1120 pixels across the screen (just like you can get
560 pixels on a regular HR screen).  This requires using a monochrome
monitor, though.

The reason you get colour fringes on text in mixed graphics/text mode
is because the colour burst signal is on.  When you are in text only
mode, the colour burst signal is turned off so you don't see any
colour fringes.  However, there is no way to control the colour burst
using software.  It is done automatically by the hardware.

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