100 '++++++++++++++++++++++++
110 '+ sinƒJ[ƒu‹y‚ั‰~‚ฬ์}
120 '++++++++++++++++++++++++
130 SCREEN 3         
140 CLS 3         
150 X=150  :  Y=160
160 A=3.1415#/180
170 N=1
180 FOR I=0 TO 360-1 step N
190 X1=X+I+100                             :X2=X+I+N+100
200 Y1=Y-100*SIN(A*I)                  :Y2=Y-100*SIN(A*(I+N))
210 X3=x+100*COS(A*I)		       :X4=x+100*COS(A*(I+N))
220 Y3=Y-100*SIN(A*I)                  :Y4=Y-100*SIN(A*(I+N))
230 LINE (X1,Y1)-(X2,Y2)
240 LINE (X3,Y3)-(X4,Y4)
250 LINE (5,160)-(630,160)                                                   
260 LINE (x,30)-(x,300)                                            
270 FOR J=0 TO 2500                                                      
280 NEXT J                                                               
290 NEXT I                                                               
300 END