Re: Double hires mode color artifacts

[Dirk Thierbach <dthierbach@usenet.arcornews.de>]

Michael J. Mahon <mjmahon@aol.com> wrote:
> There have been several threads in this newsgroup on how composite
> monitors render Apple II video.  Try searching Google Groups and
> see if any of that helps...

Do you remember any subjects or keywords? I sitting behind a dial-up
connection here, without flatrate, so any info helps.

> The short answer is that the nature of analog NTSC processing in
> composite monitors, including their filter response, is what
> determines the appearance of an Apple II graphics screen.  The
> analysis is, unfortunately, not simple--but it is feasible.

For a start, it would be sufficient if I got some idea how the basic
theory behind this works, that is, how the color carrier signal is
produced from the bit pattern. I suppose one can ignore the filter
response of the monitors for that.

- Dirk