Hi!
For a small test of my son's CG20 I tried a demo program that I once wrote, back in the 80s on my C64.
After I mastered all the hurdles how to gt graphics displayed at all and how to draw a line, I'm now wondering: How can I erase a line. Neither color white nor ColorClr are allowed it seems.
So how would I erase a line I drew with
Black SketchThin F-Line A,B,E,F
My first idea was to fill the whole screen with (e.g.) yellow and simply run on yellow background. But to be honest: I do not really like that idea.
For a small test of my son's CG20 I tried a demo program that I once wrote, back in the 80s on my C64.
After I mastered all the hurdles how to gt graphics displayed at all and how to draw a line, I'm now wondering: How can I erase a line. Neither color white nor ColorClr are allowed it seems.
So how would I erase a line I drew with
Black SketchThin F-Line A,B,E,F
My first idea was to fill the whole screen with (e.g.) yellow and simply run on yellow background. But to be honest: I do not really like that idea.