3 CLS 0
5 V=20:H=20:C=1
10 X$=INKEY$
15 IF X$="" THEN GOTO 10
20 IF X$="W" THEN V=V-1
30 IF X$="Z" THEN V=V+1
40 IF X$="A" THEN H=H-1
50 IF X$="S" THEN H=H+1
55 IF X$="+" THEN C=C+1
56 IF C>8 THEN C=1
60 IF X$=" " THEN SET(H,V,C)
70 GOTO 10