On 2025-05-15, Hans Bezemer <
the.beez.speaks@gmail.com> wrote:
On 14-05-2025 07:51, anthk wrote:
On 2025-02-08, Hans Bezemer <the.beez.speaks@gmail.com> wrote:
What do you do when you want to preserve a thirty year old spaghetti
code BASIC program? Of course, if you have no intention whatsoever to
maintain it, you could of course just use a compatible interpreter. Or
you could do it the hard way by trying to analyze it and port it to Forth. >>>
https://www.youtube.com/watch?v=cj2z8pGCFbQ
Hans Bezemer
I'd love Basic Computer Games' examples among Missile.BAS from CP/M 2.2
being ported to Forth...
Et voila - but where is "missile.bas"?
Hans Bezemer
It was MISSION.BAS, not MISSILE.BAS, sorry. It's for MBasic under CP/M 2.2
I tried with bwbasic, blassic, bas... no luck, even with "SYstem MBasic" or something like that under bwbasic. Porting it to Forth seems easier than
trying to run these incompatible Basic games...
These are the Basic Computer Games:
https://github.com/GReaperEx/bcg
WIP ports to several languages, but no Forth, sadly:
https://github.com/coding-horror/basic-computer-games
Most of these would be portable even to Forth 79 or maybe a closer standard
to Ans Forth.
On MISSION.BAS, cut from _start_ to _end_, without these words.
As I hate the zillions of jumps, I'll try to find some tool
which greates graphs (dot/graphviz format) so I don't get mad
with this spaghetti code.
_start_
10 ' USER SUPPORTED
11 '
12 ' This program is user-supported software. It is copyrighted and cannot 13 ' be sold for profit (without the author's express written permission), but 14 ' it may be copied and distributed for free.
15 '
16 ' The SHAREWARE concept is a distribution method that dispenses with 17 ' heavy marketing/advertising costs and gives the user the opportunity to 18 ' try a software program before buying. Its continued existence depends on 19 ' each user paying for what he does, in fact, use.
20 '
21 ' If you find this program [MISSION.BAS] useful, please send the $20 (or 22 ' more) registration fee directly to the author:
23 '
24 ' Richard S. Altman -- P.O. Box 4388 -- Clearlake, CA 95422
25 '
26 ' Upon registration, you will receive a floppy diskette containing the 27 ' latest version of this program, a compiled version, and a printed manual 28 ' of instructions & hints. You will also receive a FREE calendar printing 29 ' program, an original Blackjack program (for one or two players), and 30 ' other programs by the same author.
31 '
32 ' WHEN ORDERING, please be sure to indicate single or double density 33 ' disk drive, and the name of the program [MISSION.BAS]. Comments on pro- 34 ' grams are also most welcome!
35 '
36 ' Due to possible unforeseen circumstances, the above offer is subject 37 ' to change without notice.
38 '
39 '***************************************************************************
40 ' Set Up Variables
41 DEFSTR C,F,H-I,L: DEFINT A-B,E,M-N,P,W,Z: WIDTH 255
42 DIM F(24),J(10,10),K(10,10),L(16),M(16),N(16),O(22)
43 CLR=CHR$(23):F=CHR$(8):H=".":ESC$=CHR$(27):FQ=ESC$ + CHR$(61): GOSUB 70
44 FOR X=1 TO 24:F(X)=FQ + CHR$(X + 31) + " ":NEXT: GOSUB 5020:C7=CHR$(7)
45 DEF FNF(X,Y)=FQ + CHR$(X + 31) + CHR$(Y + 31):DEF FNRN(X)=INT(RND*X) + 1
46 DEF FNTITLE$(X,M$)=FNF(X,1) + STRING$((80-LEN(M$))/2,12) + M$:CX=">>>>> " 47 CA=STRING$(79,45):H1="/":Q$=CHR$(34):FB=CHR$(121):FC=CHR$(191)
48 C=STRING$(5,32):LH=" Headquarters":LS=" State Building"
49 LC="Secret Code Book":LT=" Terrorists":LM="Mission Team Member"
50 LU=" the" + LT: LF=STRING$(80,138) + CHR$(10) :LA=" Enemy Agent"
51 FD=FNF(16,6) + CLR + " <A> = Get a Team Member or Code Book -or- "
52 FD=FD + F(18) + CA + FNF(17,6) + " <F> = Receive a Secret Report.... "
53 EL$=ESC$ + "L":ED$=ESC$ + "D":HF(1)="Foreign Embassy":GOTO 89
54 ' Miscellaneous Subroutines
55 L=FNTITLE$(2," MISSION: IMPOSSIBLE ")
56 GOSUB 5025:IF L0="I" THEN GOSUB 5065 ELSE GOSUB 5060
57 L0="":PRINT CLR:GOTO 5020
58 IF Z<1 THEN Z=1
59 C1="":IF Z<>1 THEN C1="s"
60 C2="":IF Z<22 THEN C2=" only"
61 PRINT C"You have"C2;Z"hour"C1" left ";:RETURN
62 IF Z>1 THEN LG="begin your Assignment. "ELSE LG="continue. "
63 L=FNTITLE$(23," Press <ANY KEY> to " + LG):PRINT L;
64 Z3=1: GOSUB 6000:Z3=0:IF Z>1 THEN RETURN ELSE 55
65 PRINT " but it took"Y1"hours to do it!!!":PRINT
66 GOSUB 67:Z=Z-Y1:GOTO 800
67 J(X,Y)=0:K(X,Y)=0:RETURN
68 PRINT " at"K"-"J;H:RETURN
69 J(J,K)=K(J,K):RETURN
70 PRINT CHR$(26):LK=INKEY$:RETURN
71 PRINT:PRINT C"Your Mission, should you decide to accept it, is to ";:RETURN 72 PRINT C"You don't have any "LZ"s.":RETURN
73 PRINT C"You have";:IF D=1 THEN PRINT " one "LZ; ELSE PRINT D;LZ"s";
74 RETURN
75 W=0:FOR A=1 TO 16:IF M(A)=1 THEN W=W + 1
76 NEXT:E1=0:FOR A=1 TO 5:IF P(A)=1 THEN E1=E1 + 1
77 NEXT:RETURN
78 L=C + "LEGAL MOVES: NORTH - SOUTH - EAST - WEST - REPORT - DISCOVER - MAP"
79 L=L + C: GOSUB 5065:PRINT:RETURN
80 PRINT C"All of"LU" have been killed... ";:RETURN
81 K=K-J:K=K*100:K=INT(K + .5):RETURN
82 TB=TA-2:IF TB<1 THEN TB=1
83 TC=TA + 2:IF TC>9 THEN TC=10
84 TE=TD-2:IF TE<1 THEN TE=1
85 TF=TD + 2:IF TF>9 THEN TF=10
86 T(1)=TA + (TD/100):K(TA,TD)=10
87 FOR AA=TB TO TC:FOR AB=TE TO TF:K(AA,AB)=1:NEXT AB,AA:RETURN
88 GOSUB 70
89 WIN=0:Z1=0:IF H1="/"THEN 94 ELSE 2800
90 IF Z>10 THEN RETURN ELSE PRINT C;:L=C + C + "ONLY" + STR$(Z) + " HOUR"
91 IF Z<>1 THEN L=L + "S"
92 L=L + " LEFT to complete the Mission." + C + C:IF Z<10 THEN L=L + " "
93 GOSUB 5065:PRINT:RETURN
94 GOSUB 8000:H1="\": GOSUB 2700:GOTO 2800
100 ' Start Mission
105 RESTORE 8500
110 FOR A=1 TO 16:READ L(A):M(A)=0:N(A)=1:NEXT
115 FOR A=1 TO 5:READ H$(A),A$(A),K$(A):NEXT:READ HF(2),HF(3)
120 FOR A=1 TO 5:W(A)=3:A(A)=1:E1(A)=1:P(A)=0:NEXT
125 FOR A=1 TO 10:G(A)=1:FOR B=1 TO 10:J(A,B)=1:K(A,B)=0:NEXT B,A
130 TA=FNRN(10):TD=FNRN(10): GOSUB 82:FOR A=2 TO 5
135 T=FNRN(10):TJ=FNRN(10):IF K(T,TJ)<>0 THEN 135
140 T(A)=T + (TJ/100):K(T,TJ)=A*10:NEXT
145 FOR AA=TB TO TC:FOR AB=TE TO TF:K(AA,AB)=0:NEXT AB,AA:K(TA,TD)=10
150 FOR A=1 TO 22
155 TE=FNRN(10):TF=FNRN(10):IF K(TE,TF)<>0 THEN 155
160 O(A)=TE + (TF/100):D1=FNRN(21) + 1:K(TE,TF)=-D1:NEXT
165 FOR A=1 TO 5
170 M4=FNRN(10):M5=FNRN(10):IF K(M4,M5)<>0 THEN 170
175 B(A)=M4 + (M5/100):K(M4,M5)=A*100:NEXT:S2=FNRN(3)
180 FOR A=1 TO 3
185 BB=FNRN(10):BC=FNRN(10):IF K(BB,BC)<>0 THEN 185
190 D(A)=BB + (BC/100):IF S2=A THEN S4=D(A):R4=A
195 K(BB,BC)=A*1000:IF S2=A THEN K(BB,BC)=K(BB,BC) + 3:R1=BB:R2=BC
200 NEXT:PRINT C7: GOSUB 62:PRINT F(21)LF: GOSUB 70
205 Y=INT(T(1)):X=T(1)-Y:X=X*100:X=INT(X + .5):J(Y,X)=K(Y,X)
210 PRINT C"You are at the "H(1);LH;H: GOSUB 2500:PRINT F(15)CA
215 PRINT C"You are starting at"X"-"Y;H;C7:SWAP X,Y:M(1)=1:N(1)=0
220 PRINT C"You will start with "L(1)" to aid you."
225 PRINT C"You have only"Z"hours to complete your Mission, "LL;H
230 PRINT CA:GOTO 2045
249 ' Print Final Map
250 GOSUB 70:L=FNF(1,16) + " FINAL MAP of ALL LOCATIONS ": GOSUB 5065
255 PRINT:Z1=9:GOTO 310
299 ' Print Map
300 IF R7=1 THEN 840 ELSE R7=1
305 GOSUB 70:PRINT F(1)"H="LH", X="LEFT$(LS,8);"ldg, A="LA", T="LT
310 PRINT STRING$(64,45):PRINT
315 T=3:FOR A=1 TO 10:FOR B=1 TO 10:S5=J(A,B):IF Z1=9 THEN S5=K(A,B)
320 IF S5=0 THEN PRINT TAB(T)"S";:GOTO 350
325 IF S5=1 THEN PRINT TAB(T)"?";:GOTO 350
330 IF S5>9 AND S5<51 THEN IF Z1=9 THEN PRINT TAB(T-1)CHR$(149)CHR$(179)CHR$(170);:GOTO 350 ELSE PRINT TAB(T)"H";:GOTO 350
335 IF S5>999 THEN IF Z1=9 THEN PRINT TAB(T-1)CHR$(144)"X"CHR$(160);:GOTO 350 ELSE PRINT TAB(T)"X";:GOTO 350
340 IF S5<0 THEN PRINT TAB(T)"T";:GOTO 350
345 PRINT TAB(T)"A";
350 T=T + 6:NEXT B:T=3:PRINT:NEXT A:Y2=Y*6
355 PRINT FNF(X + 3,Y2-4)CHR$(186)FNF(X + 3,Y2-2)CHR$(181);:IF WIN=1 THEN RETURN
360 PRINT F(16);:IF Z1<>9 THEN 800 ELSE Z1=0
365 PRINT CX"The Secretary will dis-avow any knowledge of your actions.":RETURN
399 ' Get Team Member
400 Q=K(X,Y)/10:U=FNRN(2):A=2
405 IF U=1 THEN 415 ELSE 445
410 IF A=0 THEN 435
415 IF W(Q)>0 THEN W(Q)=W(Q)-1 ELSE A=A-1: GOTO 435
420 FOR D4=1 TO 25: D1=FNRN(16): IF N(D1)=0 THEN NEXT: GOTO 430
425 M(D1)=1:N(D1)=0: J$=L(D1): RETURN
430 FOR D1=1 TO 16: IF N(D1)=1 THEN 425 ELSE NEXT
435 IF A<>0 THEN 445
440 J$=C + "Sorry! There are no Team Members left at this" + LH + H:RETURN
445 IF E1(Q)>0 THEN E1(Q)=0:A=A-1 ELSE A=A-1:GOTO 410
450 D1=FNRN(5):IF A(D1)=1 THEN P(D1)=1:A(D1)=0 ELSE 450
455 J$="a " + LC:RETURN
499 ' Get Secret Report
500 Q=K(X,Y)/10:GQ=FNRN(9):IF Q=1 THEN GQ=9
505 IF G(Q)=0 AND G(Q + 5)=0 THEN 515
510 IF G(Q)=0 AND GQ<8 THEN G(Q + 5)=0:GOTO 515 ELSE 520
515 PRINT C"Sorry, "LL", we have no further intelligence reports...":RETURN
520 PQ=0:PRINT:IF G(Q)=0 THEN G(Q + 5)=0
525 PQ=PQ + 1:IF PQ=6 THEN 630 ELSE U=FNRN(6)
530 G(Q)=0:ON U GOTO 535,555,570,585,610,585
535 FOR A=1 TO 22:J=INT(O(A)):K=O(A)-J:K=K*100:K=INT(K + .5)
540 IF J(J,K)<>1 THEN NEXT:GOTO 525
545 PRINT C"There are enemy"LT;: GOSUB 68
550 PRINT C"You must memorize their location and avoid them.":GOTO 69
555 FOR A=1 TO 5:J=INT(T(A)):K=T(A): GOSUB 81
560 IF J(J,K)<>1 THEN NEXT:GOTO 525
565 PRINT C"Another"LH" Building is located";: GOSUB 68:GOTO 69
570 FOR A=1 TO 2:J=INT(B(A)):K=B(A): GOSUB 81
575 IF J(J,K)<>1 THEN NEXT:GOTO 525
580 PRINT C"An"LA" is believed to be operating in Sector"K"-"J;H:GOTO 69
585 FOR A=1 TO 2:J=INT(D(A)):K=D(A): GOSUB 81
590 IF J(J,K)<>1 THEN NEXT:GOTO 525
595 PRINT C"Prisoners have been reported at the"LS;: GOSUB 68
600 PRINT C"** IMPORTANT ** This information has ";:L="not": GOSUB 5050
605 PRINT " been verified.":GOTO 69
610 J=INT(S4):K=S4: GOSUB 81:IF Q<>1 AND K(J,K)<>1006 AND K(J,K)<>2006 AND K(J,K)<>3006 THEN 615 ELSE 525
615 PRINT C"The "HF(R4)" is located";: GOSUB 68
620 PRINT C"Enemy"LT" have hidden "LQ" here."
625 J(J,K)=K(J,K) + 3:K(J,K)=J(J,K):RETURN
630 PRINT C"I'm sorry, "LL", but Enemy"LT" have sabotaged the":PRINT C"receiv"; 635 PRINT "ing station. We have no more information at this time.":RETURN
699 ' Move to new location
700 PRINT:J(X,Y)=K(X,Y):Z=Z-1:Z4=FNRN(99):IF Z4>96 THEN Z=Z + 1
705 RX=K(X,Y):IF RX<51 AND RX>9 THEN GOSUB 70:S2=K(X,Y)/10:PRINT C"You are at the "H(S2);LH;H: GOSUB 2500:PRINT F(15);:GOTO 2000
710 IF RX<0 THEN 1500
715 IF RX>999 THEN 2100
720 IF RX=100 OR RX=200 OR RX=300 OR RX=400 OR RX=500 THEN 1800
725 PRINT:PRINT C;STRING$(9,166)" You have reached a SAFE ZONE.":S1=1
799 ' Obtain Orders
800 GOSUB 2300:LK=INKEY$:IF S1=0 THEN GOSUB 78:PRINT ELSE S1=0
805 GOSUB 90:PRINT C"You are now at"Y"-"X" "STRING$(13,95)" Your orders, "LL"? ";
810 GOSUB 6000
815 IF I="R"THEN 900
820 IF I="M"THEN 300 ELSE R7=0
825 IF I="D"THEN 1000
830 IF I="W"THEN IF Y-1<1 THEN 1055 ELSE Y=Y-1:GOTO 700
835 IF I="E"THEN IF Y + 1>10 THEN 1055 ELSE Y=Y + 1:GOTO 700
840 IF I="N"THEN IF X-1<1 THEN 1055 ELSE X=X-1:GOTO 700
845 IF I="S"THEN IF X + 1>10 THEN 1055 ELSE X=X + 1:GOTO 700 ELSE 810
899 ' Condition Report
900 IF R7=2 THEN 810 ELSE R7=2
905 GOSUB 70:L=FNTITLE$(1," . . S T A T U S R E P O R T . . "): GOSUB 5065 910 PRINT F(4):FOR D1=1 TO 3:J=INT(D(D1)):K=D(D1): GOSUB 81
915 IF K(J,K)=1006 OR K(J,K)=2006 OR K(J,K)=3006 THEN 925 ELSE NEXT
920 GOTO 930
925 PRINT C"You know that "LQ;LV;"hidden";: GOSUB 68:PRINT
930 D=0:FOR A=1 TO 16:IF M(A)=1 THEN D=D + 1
935 NEXT:LZ=LM:IF D=0 THEN GOSUB 72:GOTO 960
940 GOSUB 73:IF D=1 THEN PRINT ": ";:FOR A=1 TO 16:IF M(A)=1 THEN PRINT L(A);H:PRINT C;:GOTO 960 ELSE NEXT
945 PRINT ": They are....":PRINT FA:PRINT FA;:G=D:G1=0:FOR A=1 TO 16
950 IF M(A)=1 THEN PRINT L(A);:PRINT STRING$(24-LEN(L(A)),32);:G1=G1 + 1:IF G1=3 OR G1=6 OR G1=9 OR G1=12 OR G1=15 THEN PRINT:PRINT FA;
955 NEXT:IF D=3 OR D=6 OR D=9 OR D=12 OR D=15 THEN 960 ELSE PRINT:PRINT FA;
960 PRINT F;STRING$(70,95):D=0:FOR A=1 TO 5:IF P(A)=1 THEN D=D + 1
965 NEXT:LZ=LC:IF G<16 THEN PRINT
970 IF D=0 THEN GOSUB 72:GOTO 975 ELSE GOSUB 73:PRINT H
975 PRINT: GOSUB 58: PRINT "before"LA"s will ";:L=LR
980 GOSUB 5050:PRINT F" ":PRINT C;C;LQ;H:PRINT:PRINT:GOTO 800
999 ' Search (Discover) an area
1000 Z=Z-1:PRINT
1005 PRINT C"Which direction do you wish to explore and not enter? ";
1010 GOSUB 6000
1015 IF I="N"THEN 1035
1020 IF I="S"THEN 1040
1025 IF I="E"THEN 1045
1030 IF I="W"THEN 1050 ELSE 1010
1035 IF X-1<1 THEN 1055 ELSE Q1=X-1:I="North":Q2=Y:GOTO 1070
1040 IF X + 1>10 THEN 1055 ELSE Q1=X + 1:I="South":Q2=Y:GOTO 1070
1045 IF Y + 1>10 THEN 1055 ELSE Q2=Y + 1:I="East":Q1=X:GOTO 1070
1050 IF Y-1>0 THEN Q2=Y-1:I="West":Q1=X:GOTO 1070
1055 PRINT:PRINT C"..... There is ";:L="nothing": GOSUB 5050
1060 PRINT " in that direction. Why try there?":IF Z<15 THEN Z=Z + 1
1065 S1=2:GOTO 800
1070 PRINT:PRINT:LK=INKEY$:R5=K(Q1,Q2):D2=FNRN(32):IF D2>27 THEN 1075 ELSE 1105 1075 Z=Z-1:L=STRING$(82,148): GOSUB 1100
1080 PRINT " I'm sorry, "LL", but"LT" have sabotaged the "LB;LD;
1085 L=STRING$(2,148): GOSUB 1100:L=STRING$(2,133): GOSUB 1100
1090 PRINT " No information is available from that sector!"STRING$(29,32); 1095 L=STRING$(82,133): GOSUB 1100:PRINT:S1=2:GOTO 800
1100 GOSUB 5030:PRINT L;:GOTO 5035
1105 S1=3:PRINT C;STRING$(7,95)" To the "I" is ";
1110 J(Q1,Q2)=K(Q1,Q2):IF R5<0 THEN PRINT "a group of"LT;H:GOTO 800
1115 IF R5=0 THEN PRINT "a Safe Zone. (Neutral Zone)":GOTO 800
1120 IF R5<51 THEN PRINT "a"LH" Building.":GOTO 800
1125 IF R5<501 THEN PRINT "an"LA;H:GOTO 800
1130 PRINT "a Foreign"LS;H:GOTO 800
1499 ' Terrorist Attack
1500 GOSUB 70:PRINT CX"Oh, no! You've run into a group of";-RX;F;LT;H
1505 GOSUB 5025:FOR T=1 TO 450:NEXT:AC=-RX/1.5:IF AC<7 THEN AC=7
1510 FOR A=1 TO AC:B=FNRN(8) + 4:BA=FNRN(70):D1=FNRN(5)
1515 PRINT FNF(B,BA)K$(D1);:FOR T=1 TO 300:NEXT:PRINT FNF(B,BA)C;C;
1520 NEXT: GOSUB 5020:V=ABS(RX): GOSUB 75
1525 IF E1 + W<3 AND V>9 THEN GOSUB 250:PRINT CX"You have been killed by"LU;H:GOTO 1850
1530 IF E1 + W=0 THEN GOSUB 250:PRINT CX"You've been given a torturous death by"LU"....":GOTO 1850
1535 TX=FNRN(13): GOSUB 1865:PRINT F(10)CA:PRINT:IF TX<>4 OR RX>-8 THEN 1555 1540 PRINT CX"All of your Assistants have been killed by"LU;H
1545 PRINT CX"You barely escaped!":FOR A=1 TO 15:M(A)=0:NEXT
1550 FOR A=1 TO 5:P(A)=0:NEXT:PRINT:GOTO 800
1555 GOSUB 1860:E2=W + E1:IF V/3.4>E2 THEN 1570
1560 IF V/2>E2 THEN 1655
1565 Y1=FNRN(5) + 3:PRINT C"Good work!!": GOSUB 80:GOTO 65
1570 IF E2<3 THEN E=FNRN(E2)ELSE E=FNRN(3)
1575 GOSUB 1580:GOTO 800
1580 D3=W-1:TG=0: GOSUB 80: GOSUB 67:PRINT C"However..."
1585 FOR A=1 TO E
1590 D1=FNRN(15)
1595 IF M(D1)=1 THEN M(D1)=0:PRINT C;L(D1)" has died fighting"LU;H:GOTO 1605 1600 IF W=0 THEN 1615 ELSE 1590
1605 TG=TG + 1:D3=D3-1:IF D3<=0 THEN 1615
1610 NEXT:IF TG=3 THEN PRINT:RETURN
1615 PRINT:IF E1=0 THEN RETURN
1620 IF TG=3 THEN RETURN
1625 E=E-TG:IF E>E1 THEN E=E1
1630 IF E<=0 THEN 800
1635 M2=0:FOR A=1 TO E
1640 D1=FNRN(5):IF P(D1)=0 THEN 1640
1645 IF M2=0 THEN PRINT C"The"LT" have stolen the "LC"(s).":M2=1
1650 NEXT:RETURN
1655 GOSUB 80:PRINT
1660 D2=FNRN(15):Y1=FNRN(5) + 3: GOSUB 1860:IF M(D2)=1 THEN PRINT C"But... "L(D2)" has been injured and you've lost"Y1"hours.":PRINT:GOTO 66 ELSE 1660
1799 ' Enemy Agent
1800 S3=K(X,Y)/100:S3=INT(S3 + .5)
1805 GOSUB 70:PRINT C;LA" "A$(S3)" ... is operating out of this sector."
1810 FOR T=1 TO 400:NEXT: GOSUB 5025
1815 FOR A=1 TO 90:E=FNRN(10) + 4:PRINT FNF(E,FNRN(78))H;:NEXT
1820 GOSUB 75:FOR T=1 TO 500:NEXT: GOSUB 5020
1825 IF W<3 OR E1<1 THEN GOSUB 250:PRINT F(15)CX;F;LA" "A$(S3)" has shot you down in cold blood!!!":GOTO 1850
1830 Y1=FNRN(6) + 5: GOSUB 1860:IF Y1<8 THEN PRINT F(15)C"Agent "A$(S3)" has wounded you... Healing will take"Y1"hours.":Z=Z-Y1:PRINT:GOTO 800
1835 Y1=13:IF Z<13 THEN Y1=Z-1
1840 Y1=FNRN(Y1) + 2:IF Y1<5 AND Z>9 THEN 1835
1845 GOSUB 1860:PRINT F(15)C"You have destroyed Agent "A$(S3)",";:GOTO 65
1850 L=STRING$(4,170):PRINT:PRINT C" "LA"s will soon "LR;LQ" ("L")."
1855 GOSUB 5025:PRINT FNF(R1 + 3,R2*6-4)L:GOTO 4500
1860 IF(Z-Y1)<1 THEN 1870 ELSE RETURN
1865 IF Z<1 THEN 1870 ELSE RETURN
1870 GOSUB 250:PRINT CX"Sorry, "LL", but time ran out!":GOTO 1850
1999 ' At Headquarters
2000 PRINT F(15)CA:L=FD:PRINT L" ";:J$="": GOSUB 5020
2005 GOSUB 6000
2010 IF I="A"THEN S3=1:GOTO 2020
2015 IF I="F"THEN S3=2:GOTO 2020 ELSE 2005
2020 L=FNF(15 + S3,6) + " <" + I + "> ": GOSUB 5065:PRINT F(18)CLR
2025 IF S3=1 THEN GOSUB 400 ELSE GOSUB 500
2030 IF LEN(J$)>50 THEN PRINT J$:GOTO 2040
2035 IF S3=1 AND J$<>""THEN PRINT C"You now have "J$" to assist you."
2040 PRINT CA" ";: GOSUB 58: PRINT "to complete your Mission."
2045 PRINT C"Do you wish to remain at"LH" for another hour? ";
2050 GOSUB 6000
2055 IF I="Y"THEN Z=Z-1: GOSUB 5025:GOTO 2000
2060 IF I="N"OR I="M"OR I=CHR$(13)THEN PRINT F(16)CLR;:GOTO 800 ELSE 2050
2099 ' At Foreign State Building
2100 GOSUB 70:S3=INT(K(X,Y)/1000)
2105 PRINT C"You are at the "HF(S3);H: GOSUB 2600: GOSUB 75
2110 IF W<5 OR E1<2 THEN PRINT F(15)C"You don't have enough "LM"s or Code Books to enter.":PRINT:GOTO 800
2115 PRINT F(16)CX"Do you want to enter the "HF(S3)"? ";C7;
2120 GOSUB 6000:IF I="N"THEN PRINT "No":PRINT:GOTO 800
2125 IF I="Y"OR I=CHR$(13)THEN PRINT "Yes":GOTO 2130 ELSE 2120
2130 IF K(X,Y)=1000 OR K(X,Y)=2000 OR K(X,Y)=3000 THEN 2200
2145 ' ##### Correct Bldg.
2150 WIN=1:IF Z<=5 THEN 2175
2155 L="Congratulations!!":PRINT CX;: GOSUB 5050: PRINT " You've found "; 2160 IF Z2=1 OR Z2=3 THEN PRINT "the "LX"!"ELSE PRINT LQ"!"
2165 Z$="":IF Z<20 THEN Z$=" only"
2170 PRINT CX"You've completed your Mission with"Z$;Z"hours left.":GOTO 2185 2175 PRINT CX"Congratulations! Just in time!"
2180 PRINT CX"You got "LQ" with only seconds to spare!"
2185 PRINT:PRINT CX;F;LA"s will not be able to "LR;:IF Z2=3 THEN PRINT "the "; 2190 PRINT LQ;H:GOTO 4500
2195 ' ##### Wrong State Bldg.
2200 Y1=FNRN(7) + 4:Z=Z-Y1:PRINT CX"Wrong"LS"! ";
2205 IF Z2=1 OR Z2=3 THEN PRINT "The "LX" are"; ELSE PRINT LQ" is";
2210 PRINT " not hidden here."
2215 PRINT CX"You've lost"Y1"hours looking. (";
2220 IF Z<1 THEN PRINT "No time";:GOTO 2230 ELSE PRINT "Only"Z"hour";
2225 IF Z<>1 THEN PRINT "s";
2230 PRINT " left.)":IF Z<1 THEN FOR T=1 TO 750:NEXT
2235 PRINT:GOTO 800
2299 ' Check Time Left
2300 IF Z<=0 THEN FOR T=1 TO 850:NEXT:GOTO 1870
2305 GOSUB 75:M3=0:FOR A=1 TO 5:M3=M3 + W(A):NEXT
2310 M4=0:FOR A=1 TO 5:IF E1(A)=1 THEN M4=M4 + 1
2315 NEXT:IF M3 + W<5 OR M4 + E1<2 THEN 2320 ELSE RETURN
2320 GOSUB 250:PRINT
2325 PRINT C" Not enough help is left to enter the "HF(S3);H:GOTO 1850
2499 ' Draw Headquarters Building
2500 GOSUB 5025:AD=107:AE=116:FOR A=56 TO 60
2505 PRINT EL$CHR$(A)CHR$(AD)CHR$(A)CHR$(AE);:AD=AD-4:AE=AE + 4:NEXT
2510 FOR A=61 TO 78:PRINT EL$CHR$(A)CHR$(77)CHR$(A)CHR$(146);:NEXT
2515 FOR A=31 TO 52 STEP 4:PRINT FNF(9,A)CHR$(131);:NEXT
2520 PRINT EL$CHR$(52)CHR$(141)CHR$(60)CHR$(141)
2525 PRINT FNF(6,56)STRING$(2,166):GOTO 5020
2599 ' Draw Embassy Building
2600 GOSUB 5025:PRINT EL$CHR$(61)CHR$(74)CHR$(78)CHR$(74)
2605 PRINT EL$CHR$(61)CHR$(149)CHR$(78)CHR$(149)
2610 AD=82:AE=141:FOR A=55 TO 60
2615 PRINT EL$CHR$(A)CHR$(AD)CHR$(A)CHR$(AE);:AD=AD-1:AE=AE + 1:NEXT
2620 FOR A=61 TO 78:PRINT EL$CHR$(A)CHR$(74)CHR$(A)CHR$(149);:NEXT
2625 PRINT ED$CHR$(62)CHR$(75)CHR$(62)CHR$(148)
2630 PRINT ED$CHR$(77)CHR$(75)CHR$(77)CHR$(148)
2635 PRINT ED$CHR$(62)CHR$(95)CHR$(77)CHR$(95)
2640 PRINT ED$CHR$(62)CHR$(129)CHR$(77)CHR$(129)
2645 FOR A=36 TO 46 STEP 2:PRINT FNF(10,A)" ";:NEXT
2650 IF S3=1 THEN LW=" FOREIGN " + STRING$(18,12) + " EMBASSY "
2655 IF S3=2 THEN LW="PARLIAMNT" + STRING$(18,12) + " HOUSE "
2660 IF S3=3 THEN LW=" STATE " + STRING$(18,12) + " HOUSE "
2665 L=FNF(10,23) + LW: GOSUB 5065:GOTO 5020
2700 ' Input your name
2701 'LL="Mr. Altman":RETURN
2705 GOSUB 55: GOSUB 2765:I=CHR$(12)
2710 L=" Smith" + Q$ + " ":PRINT F(8)I;C"Mission Leader Identification:"
2715 PRINT F(10)I;C"Enter your name as follows:"
2720 PRINT I;C;Q$"Mr."L;Q$"Mrs."L;Q$"Miss"L;Q$"Ms."L;Q$"Dr."L:LL=L:PRINT F(16) 2725 PRINT I;C;STRING$(10,62)" ";:INPUT LL:LJ=LEFT$(LL,4):LN=LEFT$(LL,5)
2730 IF LJ="Mr. "OR LJ="MR. "THEN RETURN
2735 IF LN="Mrs. "OR LN="MRS. "THEN RETURN
2740 IF LN="Miss "OR LN="MISS "THEN RETURN
2745 IF LJ="Ms. "OR LJ="MS. "THEN RETURN
2750 IF LJ="Dr. "OR LJ="DR. "THEN RETURN
2755 PRINT FNF(20,7)"A correct repsonse is necessary before you can listen to"; 2760 PRINT " the tape!"C7:FOR A=1 TO 3200:NEXT:GOTO 2700
2765 GOSUB 5025:PRINT F(6)STRING$(79,176)F(13)STRING$(79,131)
2770 FOR X=7 TO 12:PRINT F(X)CHR$(170);FNF(X,79)CHR$(149):NEXT:GOTO 5020
2800 ' Input the Skill Level
2801 'R3=1:P=LEN(LL):GOTO 2820
2805 GOSUB 55:PRINT F(4)CLR;F(6)LL",":P=LEN(LL)
2810 PRINT F(8)C"Please input the SKILL LEVEL: 1-6 (Easy to Hard) ";
2815 GOSUB 6000:R3=VAL(I):IF R3<1 OR R3>6 THEN 2810
2820 Z=118-(R3*12)-FNRN(13):R=FNRN(7):IF R>2 THEN Z=Z-FNRN(R3 + 1)
2825 IF Z<48 THEN Z=48
2830 IF P<12 THEN LB="Satellite Relay":GOTO 3000
2835 IF P<14 THEN LB="Relay Station":GOTO 3000
2840 IF P<18 THEN LB="IMF Relay":GOTO 3000
2845 LB="Relay"
2999 ' Display Assignment
3000 LB=LB + H:LD=STRING$(27-P-LEN(LB),32): GOSUB 70
3005 PRINT F(1)LF"Good morning, "LL",": GOSUB 5025
3010 Z2=FNRN(10):LR="execute ":LV=" is ":IF Z2=Z5 THEN 3010 ELSE Z5=Z2
3015 PRINT:PRINT:ON Z2 GOTO 3100,3200,3300,3400,3500,3600,3650,3700,3750,3800 3100 LX="Secret Plans":LR="recover ":LQ=" " + LX:LV=" are "
3110 PRINT C"Heinrich Belzig, a world-famous archeologist, has recently ";
3120 PRINT "discovered some"LQ" for a proposed Communist takeover in Europe." 3130 GOSUB 71: PRINT "rescue Belzig, and then"LR;:LQ="the" + LQ:PRINT LQ" and ";
3140 PRINT "permanently stop the coup, which is supposed to start";:GOTO 3810
3200 LQ="Mrs. Barkov":LR="kill "
3210 PRINT C"Konrad Barkov, the eminent atomic physicist, wishes to defect "; 3220 PRINT "to the UnitedStates. He is safe in a neutral Embassy, but "; 3230 PRINT "refuses to defect until his wife,Krissa, is safely out from "; 3240 PRINT "behind the Iron Curtain."
3250 GOSUB 71: PRINT "free "LQ" and bring her to the west. Party ";
3260 PRINT "officials have threatened to kill "LQ
3270 PRINT "unless Dr. Barkov returns";:GOTO 3810
3300 LQ="nuclear warheads":LR="detonate ":LX=LQ:LV=" are "
3310 PRINT C"Helmut Varig has captured two "LQ", which he plans to use to"
3320 PRINT "blackmail the Allied forces into financing his neo-Nazi ";
3330 PRINT "dictatorship."
3340 GOSUB 71: PRINT "find a way into Karig'smaximum security vault and "; 3350 PRINT "recover the "LQ"; otherwise, he plans to"LR"them";:GOTO 3810
3400 LQ="Professor Pavel"
3410 PRINT C"Hans Pavel, a renowned military scientist, has developed a ";
3420 PRINT "revolutionary anti-missle system. He wishes to defect to this ";
3430 PRINT "country with his discovery, buthas been captured and placed "; 3440 PRINT "inside the heavily guarded Romelan Prison."
3450 GOSUB 71: PRINT "rescue "LQ" and his formula. The prison authorities, "; 3460 PRINT "acting on their own, have planned to "LR"him";:GOTO 3810
3500 LQ="Karl Voorhes":LP="a Swiss nuclear scientist"
3510 GOSUB 71: PRINT "rescue "LQ",":TK=1
3520 PRINT LP", who is being held at the "HF(1);
3530 IF TK=3 THEN PRINT: PRINT "and will "; ELSE PRINT " and will"
3540 PRINT "be killed";:GOTO 3810
3600 LQ="Janos Brigas":LP="a South American missionary":GOTO 3510
3650 LQ="Ambassador Pierce":LP="a United Nations diplomat"
3660 TK=3: GOSUB 71: PRINT "rescue Ambassador": PRINT "Pierce, ";:GOTO 3520 3700 LQ="Aristotle Katanos":LP="a Greek industrialist"
3710 TK=3: GOSUB 71: PRINT "rescue Aristotle": PRINT "Katanos, ";:GOTO 3520 3750 LQ="Sergei Ivanoff":LP="the famous Russian playright":GOTO 3510
3800 LQ="Cho Tsong Ling":LP="an elder Chinese statesman":GOTO 3510
3810 X=INT(Z/24):XX=Z-(X*24): PRINT " in"X"day";:IF X>1 THEN PRINT "s";
3820 IF XX=0 THEN PRINT H:GOTO 4000
3830 PRINT " and"XX"hour";:IF XX<>1 THEN PRINT "s." ELSE PRINT H
4000 PRINT:PRINT:IF TK>0 THEN TK=0:PRINT:PRINT
4010 PRINT "===== As always, "LL", should you or any member of your IM Force"
4020 PRINT " be caught or killed, the Secretary will dis-avow any knowledg"; 4030 PRINT "e of": PRINT " your actions.":PRINT: PRINT "===== (This tape will ";
4040 PRINT "self-destruct in 10 seconds.) Good luck!"
4050 PRINT F(21)LF;:GOTO 105
4499 ' End of Mission
4500 FOR T=1 TO 750:NEXT:I=""
4505 PRINT F(22)C" Do you want to try another Mission (Y/N) ? ";
4510 GOSUB 5020:LK=INKEY$: GOSUB 6000
4515 IF I="Y"OR I=CHR$(13)THEN 88
4520 IF I="N"THEN 4525 ELSE 4510
4525 IF WIN=1 THEN GOSUB 250:PRINT F(16)CLR" <<<"; ELSE PRINT F(22)CLR;C" "; 4530 PRINT " Your Mission, "LL", has been concluded. ";
4535 IF WIN=1 THEN PRINT ">>>"F(18)ELSE PRINT
4540 END:GOTO 88
5000 ' Misc. Subroutines
5005 '
5010 PRINT ESC$"B0";:RETURN:' Inverse Video ON/OFF
5015 PRINT ESC$"C0";:RETURN
5020 PRINT ESC$"B4";:RETURN:' Turn Cursor ON/OFF
5025 PRINT ESC$"C4";:RETURN
5030 PRINT ESC$"B1";:RETURN:' Reduced Intensity ON/OFF
5035 PRINT ESC$"C1";:RETURN
5040 PRINT ESC$"B3";:RETURN:' Underline ON/OFF
5045 PRINT ESC$"C3";:RETURN
5050 GOSUB 5040:PRINT L;:GOTO 5045:' Underline L$ -----
5055 '
5060 GOSUB 5010: GOSUB 5030:PRINT L;: GOSUB 5015:GOTO 5035:' Revrs. Video L$ 5065 GOSUB 5010:PRINT L;:GOTO 5015:' BRIGHT Video L$
6000 ' INKEY$ Subroutines
6010 IZ=INKEY$:I="":IF Z3=1 THEN 6050
6015 I=INKEY$:IF I=""THEN 6015
6020 IF ASC(I)>90 THEN I=CHR$(ASC(I)-32)
6025 RETURN
6050 I=INKEY$:IF I=""THEN 6055 ELSE RETURN
6055 TX=-200: GOSUB 6065:PRINT:PRINT CHR$(13);CHR$(11);CHR$(24)
6060 PRINT CHR$(11);:RETURN
6065 IJ=INKEY$:IK=""
6070 PRINT F(24);: GOSUB 5025:PRINT L;: GOSUB 5020
6075 IK=INKEY$:IF IK<>""THEN RETURN ELSE TX=TX + 1:IF TX<250 THEN 6075
6080 PRINT F(24);: GOSUB 5025: GOSUB 5065: GOSUB 5020:TX=0
6085 IK=INKEY$:IF IK<>""THEN RETURN ELSE TX=TX + 1:IF TX<150 THEN 6085
6090 TX=0:GOTO 6070
8000 ' Instructions??
8005 L0="I": GOSUB 55:FA=" ":PRINT FNF(1,1)FA
8010 PRINT EL$FA;FA;FA;FC;:PRINT EL$FA;FA;FB;FA;
8015 PRINT EL$FA;FC;FB;FC;:PRINT EL$FB;FA;FB;FC;
8020 PRINT FNF(12,22)"Do you need instructions (Y or N) ?"
8025 PRINT FNF(24,15) + "(c) 1989 by Richard Altman --- All rights reserved.";
8030 IK=INKEY$:I="":PRINT FNF(12,62)C7;
8035 I=INKEY$:IF I=""THEN VL=VL + 1:IF VL>32222 THEN VL=100:GOTO 8035 ELSE 8035 8040 GOSUB 6020:IF I="Y"OR I="N"OR I=CHR$(13)THEN 8045 ELSE 8035
8045 RANDOMIZE VL:PRINT ED$FA;FA;FA;FC: GOSUB 5025:PRINT ED$FA;FA;FB;FA
8050 PRINT FNF(1,80)FA;FNF(2,60)CLR:FA=" | "
8055 IF I="Y"THEN 8100 ELSE 5020
8100 ' Display Instructions
8105 PRINT F(3)CLR;F(5)C"The object of the Mission is to get back the object"; 8110 PRINT "(s) or person taken": PRINT "by the"LA"s and hidden in a Foreign"LS;
8115 PRINT ", located somewhere": PRINT "in Western Europe. To enter it, you ";
8120 PRINT "must have at least five Team Members and": PRINT "two "LC"s.":PRINT
8125 PRINT C"There are five"LH", three Foreign"LS"s, five Enemy"
8130 PRINT "Agents, and a lot of"LT"!! At ";:L="each of your" + LH: GOSUB 5050
8135 PRINT ", you can get": PRINT "up to three "LM"s and one "LC" to assist you,";
8140 PRINT " but": PRINT "only one at a time. You may also request an Intellige";
8145 PRINT "nce Report, which will tell you of an important location."
8150 PRINT:PRINT C"The"LT" are quite mean, and can kill all or some of ";
8155 PRINT "your Mission Team Members or steal your Code Books. The"LA; 8160 PRINT "s are somewhat less deadly; however, they usually take many "; 8165 PRINT "hours to overcome.":PRINT:PRINT C"You may request a Report which ";
8170 PRINT "will tell you how many hours you have left, list "LM"s and Code "; 8175 PRINT "Books you have, and display the legal moves.":L0="I":Z=1: GOSUB 62 8180 PRINT F(5)CLR;C"In addition, you can also request a Map, which will show"; 8185 PRINT " you all that you currently know about the locations of things." 8190 PRINT:PRINT:L="Mission Control" + LH + " Building"
8195 PRINT C"You will start at the ";: GOSUB 5050: PRINT " with a "LM" to help ";
8200 PRINT "you. You can `spy' on a neighboring sector without enteringit."; 8205 PRINT " (MOVING and `DISCOVERING' take one hour each.)":PRINT
8210 PRINT "Use INITIALS for the": GOSUB 78:PRINT:PRINT:PRINT C"The SKILL LEVEL";
8215 PRINT " you choose will determine the number of hours you'll have to "; 8220 PRINT "complete your Mission (should you decide to accept it). The ";
8225 PRINT "higher the number you select, the ";:L="fewer": GOSUB 5050
8230 PRINT " hours you will have. Good luck!!":Z=2:GOTO 62
8499 ' Data
8500 DATA Rollin Hand,Barney Collier,Cinnamon Carter,Gregory Grant
8505 DATA Pablo San Ramon,Chung Ling Sun,Cameron Mitchell,Giuseppe Bonnano
8510 DATA Burgundy Ames,Matsuo Nakamura,Rene' de la Rue,Angus O'Shannahan
8515 DATA James Gil-Smythe,Peter Rogloff,Max Nargajuna,Sir Thomas Edmonds
8520 DATA Mission Control,Alpha,Bang!,Secret Service,Bravo,Fall!
8525 DATA Central Files,Delta,Ouch!,Central Intelligence,Zeta,Pain!
8530 DATA Field Operations,Omega,Scream!,Foreign Parliament House
8535 DATA Foreign State House,
8600 '.........................................................................
_end_
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