10 REM ** THE ATARI RAINBOW **›20 REM ** RAINBOW.BAS" **›30 REM ›40 FOR L=2 TO 254 STEP 2:REM ALL VALID COLORS HAVE EVEN NUMBERS›50 POKE 712,L:REM 712 IS ADDRESS OF BORDER AREA COLOR REGISTER›60 FOR WAIT=1 TO 10:NEXT WAIT:REM JUST A DELAY LOOP TO USE UP TIME›70 NEXT L›80 GOTO 40:REM AN INFINITE LOOP››