2 PRINT "Use keys 4, 8, 6, 2 for control, make sure the NumLock is on"
\r
5 PRINT "Press any key to continue..."
\r
16 IF a$ = "4" THEN x = x - 1
\r
17 IF a$ = "6" THEN x = x + 1
\r
18 IF a$ = "8" THEN y = y - 1
\r
19 IF a$ = "2" THEN y = y + 1
\r
20 IF a$ = CHR$(27) THEN SYSTEM
\r