Radio Shack TRS-80 - Chapter 10: FOR-NEXT Loops; The FOR-NEXT Loop

computer Graphics Operation Manual
-----------TRS-BO ® ----------
l~ PSET (RND(64~),RND(24~»,1
2~ GOTO l~
Pixels are randomly set to 1 (ON) over the defined area (the
entire screen).
PSET (-3~~,-2~~),1
The values for (~) are accepted, but since it is beyond
the parameters of the screen, the pixel is not set.
l~ PSET (32~,12~),1
2~ A$=INKEY$: IF A$= "" THEN 2~
3~ PSET(32~,12~),~
Line l~ sets ("turns ON") a pixel; line 3~ resets ("turns
OFF") the same dot.
----------ltadlOlIIaeIi ----------
-45-