C FOCAL15 V6A 01.03 T " "!!!!!!!!!!!!!!!!!! 01.04 T "McMaster Space Centre calling lunar module. Our computers here"! 01.05 T "indicate that your DEC processor has malfunctioned, as was"! 01.06 T "feared.You must land on your own.You may reset fuel rate to"! 01.07 T "any value between 8 & 200 lbs/sec. You have an estimated 16000 lbs."! 01.08 T "of fuel.------------RADAR CHECK FOLLOWS-----------"!!;E 01.20 T " "!!!! 01.30 T "COMMENCE LANDING PROCEDURE"!! 01.35 D 20 01.40 F J=0,10; T "*** ",10-J," ***",#; F P=1,100; S PP=1 01.50 S L=0;S A=120;S V=1;S M=32500;S N=16500;S G=.001;S Z=1.8 01.55 S H=20; S KH=0; S SS=0 01.57 GOTO 10.1 01.60 T "TIME(SEC) =",%3,L," ALT.(Km) =",%7.3,A," FUEL(Kg) =" 01.62 IF ((M-N)-100) 1.63,1.63,1.64 01.63 D 21 01.64 T M-N,! 01.65 T "VEL.(Km/H): VERT. =",V*3600," HOR. = ",H,!!! 01.68 IF (SS) 1.7,1.7,1.72 01.70 A "DESCENT > (Deg.) = "TH," FUEL RATE = ",RF," TIME ",T,! 01.71 GOTO 1.8 01.72 D 21; T "FUEL OUT "; D 22; F J=1,100; S X=X 01.80 S QQ=TH*(3.14/180); S K=FSIN(1.57-QQ)*RF 01.85 S H=FSIN(QQ)*RF*T*1.5+H 01.87 S KK=Y(KH) 01.90 S KH=KH+H*T*.01 01.92 S A=A+(KK-Y(KH)) 01.95 IF (A-.0001) 5.1,5.1,2.7 02.70 T %7.02;I (K)2.72;I (200-K)2.72;I (K-0)2.71,3.1,3.1 02.71 I (K-0)2.72,3.1,2.72 02.72 T "NOT POSSIBLE";F X=1,40;T "." 02.73 A K;T " ";A T,!;G 2.7 03.10 I ((M-N)-.001)4.1;I (T-.001)1.57; S S=T 03.40 I ((N+S*K)-M)3.5,3.5;S S=(M-N)/K 03.50 D 9;I (I)7.1,7.1;I (V)3.8,3.8;I (J)8.1 03.80 D 6;G 3.1 04.10 D 21; T "FUEL OUT AT ",L-SS," secs.";D 22 04.40 S A=A-[V*SS+.5*G*SS^2] 04.50 S L=L+5 04.60 S SS=SS+5 04.63 S V=V+G*SS 04.65 F JJ=1,200; S Y=1 04.70 GOTO 1.57 05.10 T "ON THE MOON AT ",L,"  SECS"!;S W=3600*V 05.20 T "IMPACT VELOCITY OF ",W,"  M.P.H."!,"FUEL LEFT:" 05.30 T M-N,"  LBS."!;I (-W+1)5.5,5.5 05.40 T "PERFECT LANDING !-(LUCKY)"!;G 5.9 05.50 I (-W+10)5.6,5.6;T "GOOD LANDING-(COULD BE BETTER)"!;G 5.9 05.60 I (-W+25)5.7,5.7;T "CONGRATULATIONS ON A POOR LANDING"!;G 5.9 05.70 I (-W+60)5.8,5.8;T "CRAFT DAMAGED. GOOD LUCK"!;G 5.9 05.80 T "SORRY,BUT THERE WERE NO SURVIVORS-YOU BLEW IT!"!"IN " 05.81 T "FACT YOU BLASTED A NEW LUNAR CRATER ",W*.277777,"  FT. DEEP"! 05.90 GOTO 1.2 05.92 A "(ANS. YES OR NO)"P;I (P-0NO)5.94,5.98 05.94 I (P-0YES)5.92,1.2,5.92 05.98 T "CONTROL OUT";Q 06.10 S L=L+S;S T=T-S;S M=M-S*K;S A=I;S V=J 07.10 I (S-.005)5.1;S S=2*A/(V+FSQT(V*V+2*A*(G-Z*K/M))) 07.30 D 9;D 6;G 7.1 08.10 S W=(1-M*G/(Z*K))/2;S S=M*V/(Z*K*(W+FSQT(W*W+V/Z)))+.05;D 9 08.30 I (I)7.1,7.1;D 6;I (-J)3.1,3.1;I (V)3.1,3.1,8.1 09.10 S Q=S*K/M;S J=V+G*S+Z*(-Q-Q^2/2-Q^3/3-Q^4/4-Q^5/5) 09.40 S I=A-G*S*S/2-V*S+Z*S*(Q/2+Q^2/6+Q^3/12+Q^4/20+Q^5/30) 10.10 S X=FINT(2); S X=FCLS(2) 10.15 F J=1,10,180-A; T ! 10.20 F J=1,KH; T " " 10.30 T "X",!,"" 10.50 GOTO 1.6 20.10 F J=1,80; S Y(J)=FABS(FSIN(J/9)*FRAN(0)*20) 20.20 S X=FINT(3) 20.30 F J=1,508; S X=FPLT(Y(J*80/508),4) 20.40 S X=FCLS(0) 20.50 RETURN 21.10 T "" 21.20 RETURN 22.10 T "" 22.20 RETURN