10 GRAPHICS 11:DIM SX(15),SY(15):FOR K=5 TO 15:READ X,Y:SX(K)=X:SY(K)=Y:NEXT K:X=40:Y=96:COLOR 1›20 PLOT X,Y:X=X+SX(STICK(0)):X=X+(X<0)-(X>79):Y=Y+SY(STICK(0)):Y=Y+(Y<0)-(Y>191):IF STRIG(0) THEN 20›30 C=C+1-15*(C=15):COLOR C:GOTO 20:DATA 1,1,1,-1,1,0,0,0,-1,1,-1,-1,-1,0,0,0,0,1,0,-1,0,0›