PSET Statement Programming Example
 
This example draws a line from (0,0) to (100,100), then erases the line by
writing over it with the background color.
 
SCREEN 2
' Draw a line from (0,0) to (100,100).
FOR I = 0 TO 100
   PSET (I, I)
NEXT I
LOCATE 16,2: INPUT "Press any key to erase the line ", Gar$
' Now erase the line.
PSET (I-1, I-1), 0
FOR I = 0 TO 100
   PSET STEP (-1, -1), 0
NEXT I
LOCATE 16,2: PRINT "                                    "