[Coco] Re: Re: CoCo Monitor
Rodney V Hamilton
Rodney_Hamilton at GBRonline.com
Fri Jun 25 01:42:55 EDT 2004
In article <40DB8CB1.7010901 at worldnet.att.net>,
robert.gault at worldnet.att.net says...
>Actually that was not a good example. What I should have said was:
>In a PMODE3 screen, PCLS2 will fill the screen automatically with every
>other vertical line. Then changing the mode to PMODE4 on an RGB monitor
>would show alternating black and white vertical lines but on a composite
>monitor will show either all red or all blue artifact color.
You can get BASIC to do the colors for you automatically by drawing
in PMODE3 on a PMODE4 screen, like this:
20 COLOR RND(4)
You can also get interesting effects by adding ",B" or ",BF" to the
end of the LINE command. I called the ,B version "Night Gallery"
since it reminded me of the gfx bit in Rod Serling's TV show...
For fun, here;s an old 1-liner I did to do overlapping circles.
6 IFT THEN6ELSEPMODE4:PCLS0:SCRE
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