1 A=USR(32),0:CM=0:GOTO17
2 GETA$:IFA$=""THEN11
3 IFA$>"/"ANDA$<":"THENSF=VAL(A$)-SS*(A$="0"):GOTO11
4 IFA$="[147]"THENSYS36888:GOTO11
5 IFA$="!"THENSYS36867:GOTO11
6 IFA$="="THENSYS36882:GOTO11
7 IFA$="&"THENSYS36879:GOTO11
8 IFA$=""THENSYS36885:GOTO11
9 IFA$="+"THENCM=1+(CM=1):GOTO11
10 A=USR(33),0:LOAD"CMND",D0
11 X=X+USR(121)*SF:Y=Y-USR(122)*SF
12 IFX>331THENX=12
13 IFX<12THENX=331
14 IFY>239THENY=40
15 IFY<40THENY=239
16 A=USR(34),X,Y,0:A=USR(34),16,Y,6:A=USR(34),X,231,7:RETURN
17 GOSUB2:A=USR(117):IFA<>16THEN17
18 SYS36864:X1=X-12:Y1=Y-40:A=USR(34),X,Y,1:A=USR(32),1
19 A=USR(117):IFA<>0THEN19
20 GOSUB2:A=USR(117):IFA<>16THEN20
21 X2=X-12:Y2=Y-40:A=USR(34),X,Y,2:A=USR(32),2
22 A=USR(117):IFA<>0THEN22
23 A=USR(33),1:A=USR(33),2:IFX1=X2THENIFY1=Y2THEN35
24 RA=SQR((X1-X2)^2+(Y1-Y2)^2):A=USR(33),0:X4=X1+RA:Y4=Y1
25 IFCM=1THENFORC=-1TO1:A=USR(64),X1+C,Y1:A=USR(64),X1,Y1+C:NEXT
26 FORPH=0TO21*(null)/10STEP(null)/20
27 X3=(COS(PH)*RA)+X1+.5:Y3=(SIN(PH)*.83*RA)+Y1+.5
28 IF(X3>320)OR(X3<0)THEN33
29 IF(Y3>200)OR(Y3<0)THEN33
30 IF(X4>320)OR(X4<0)THENX4=X3:Y4=Y3
31 IF(Y4>200)OR(Y4<0)THENX4=X3:Y4=Y3
32 A=USR(66),X3,Y3,X4,Y4
33 X4=X3:Y4=Y3
34 NEXT
35 A=USR(32),0:GOTO17