On Monday, June 25, 2012 4:36:44 PM UTC-6, Anton Treuenfels wrote:
> "rusure" <r_u_...@mybluelight.com
> wrote in message
> On Sunday, June 24, 2012 8:46:00 AM UTC-6, Martin Brunner wrote:
> > Hi!
> > I did a Dual Monitor Demo in C128 Basic.
> > This demonstrates the capabilities of a C128 with both video signals
> > connected to different monitors. It is written in basic and took about
> > one day writing it on a real C128 (with a sticky space key). Since I'm
> > not really a professional programmer, so don't expect too much if you
> > analyze the source code. :-D
> > The D64-Image if you want to run it in Vice:
> > http://c64.tin.at/c128-dual-demo.zip
> > The Youtube-Video:
> > http://www.youtube.com/watch?v=UDhFfSjvEvQ
> > For impatient viewers: The most action starts about 1:35.
> > I don't know if there was any other dual monitor demo yet, so this might
> > have been a world premier that has taken place on the Commodre Meeting
> > in Graz, Austria last Friday! (With beamer and monitor.) ;-)
> I think this is on the thread topic. When I programmed on the 128, I would
> use the 80 column RGB screen for program output, and the 40 column composite
> screen to print the output for debugging the program. That way debugging
> output wouldn't foul up the carefully constructed program output.
To preserve any composite screen graphics, you would need to print your text on the RGB screen. I didn't use 2 monitors, just a monitor with a switch for toggling between composite and RGB screens.