Tank for Two

created and published by Aardvark Technical Services in 1978, running on Ohio Scientific Challenger Series
type: shooter
genre: Arena shooter
perspective: bird's-eye fixed camera
player options: shared-screen
languages: eng

Technical specs

hardware: Keyboard,
display: text

Editor note

This was a game programmed in BASIC that came on cassette. Please note, this code is copyrighted. It is shown here via the original permissions that allowed sharing of the code. If you want to do anything but look at it, you will need further permission from the copyright holder.
10 PRINT:PRINT:PRINT"TANK FOR TWO":PRINT
20 PRINT"COPYRIGHT R. OLSEN 1978
30 T1=3:T2=7:POKE530,1::S(1)=54429:S(2)=54403
40 FORX=1TO8:READTA(X):NEXT:P1=53916:P2=54019
50 FORX=0TO9:READMF(X):NEXT
60 FORX=0TO9:READBD(X):NEXT:L=64
70 C1=53279:C2=55265:P0=128:PT=4:FORX=1TO5:READUP(X):NEXT
80 FORX=1TO7:READAC(X):NEXT
90 VB=600:IFPEEK(57088)<128THENVB=540:GOTO150
100 FORX=0TO9:READMF(X):NEXT:L=32
110 P0=127:PT=251:S(1)=53765:S(2)=53785:FORX=1TO5
120 READUP(X):NEXT
130 FORX=1TO7:READAC(X):NEXT:P1=53766:P2=53592
140 C1=53284:C2=54204
150 INPUT"DO YOU WANT DIRECTION";A$:IFA$="YES"THEN610
160 FORX=C1TOC2:POKEX,32:IFRND(1)>.96THENPOKEX,161
170 NEXT
180 POKE56900,0:POKE530,1:B=161:KB=57088
190 FORX=1TO5:FORY=1TO5:POKEUP(Y)+X,B:NEXTY:NEXTX
200 FORX=1TO5:FORY=1TO7:POKEAC(Y)+L*X,B:NEXTY,X
210 FORX=1TOL:POKEC1+X,B:POKEC2-X,B:NEXT
220 FORX=1TO32:POKEC1+X*L,B:POKEC2-X*L,B:NEXT
230 POKEKB,P0:PK=PEEK(KB):IFVB=600THENPK=255-PK
240 IFPK=128THENT2=T2-1:IFT2=0THENT2=8
250 M1=MF(T1):M3=MF(T2)
260 IFPK=32THENT2=T2+1:IFT2=9THENT2=1
270 IFPK=64ANDF2=0THENB2=P2:F2=1:M4=MF(T2)
280 IFPK=160ANDPEEK(P2+MF(T2))=32THENPOKEP2,32:P2=P2+MF(T2)
290 IFPK=192ANDF2=0THENB2=P2-MF(T2-1):F2=1
300 IFPK=96ANDF2=0THENB2=P2-MF(T2+1):F2=1
310 POKEP2,TA(T2)
320 POKEKB,PT:PK=PEEK(KB):IFVB=600THENPK=255-PK
330 IFPK=8THENT1=T1-1:IFT1=0THENT1=8
340 IFPK=10ANDPEEK(P1+MF(T1))=32THENPOKEP1,32:P1=P1+MF(T1)
350 IFPK=2THENT1=T1+1:IFT1=9THENT1=1
360 IFPK=4ANDF1=0THENF1=1:B1=P1:SM=MF(T2)
370 IFPK=6ANDF1=0THENB1=P1-MF(T1+1):F1=1
380 IFPK=12ANDF1=0THENB1=P1-MF(T1-1):F1=1
390 POKEP1,TA(T1)
400 FORX=1TO3:IFF1=0THEN460
410 IFB1<>P1THENPOKEB1,32
420 P=PEEK(B1+M1):IFP=161THENF1=0:GOTO460
430 B1=B1+M1:POKEB1,BD(T1)
440 IFP=TA(T2)THENF1=0:B1=P1:S1=S1+1:GOTO460
450 IFB1<C1ORB1>C2THENF1=0
460 IFF2=0THEN520
470 IFB2<>P2THENPOKEPB2,32
480 P=PEEK(B2+M3):IFP=161THENF2=0:GOTO520
490 B2=B2+M3:POKEB2,BD(T2)
500 IFP=TA(T1)THENF2=0:B2=P2:S2=S2+1
510 IFB2<C1ORB2>C2THENF2=0
520 IFB2<>P2THENPOKEB2,32
530 IFB1<>P1THENPOKEB1,32
540 NEXTX
550 DS=S2:IFS2>10THENDS=S2-10:POKES(2)-1,49
560 POKES(2),DS+48:IFDS=10THENPOKES(2),48
570 DS=S1:IFS1>10THENDS=S1-10:POKES(1)-1,49
580 POKES(1),DS+48:IFDS=10THENPOKES(1),48
590 IFS1>19ORS2>19THEN810
600 GOTO230
610 PRINT:PRINT:PRINT:PRINT"PLAYER 1 USES KEYS 1,2, AND 3
620 PRINT"PLAYER 2 USES KEYS N,M, AND<
630 PRINT"1,2,N, AND< ARE DIRECTION KEYS
640 PRINT"PRESSING BOTH DIRECTION KEYS MOVES YOU FORWARD
650 PRINT:PRINT"KEYS 2 AND M ARE FIRE CONTROL KEYS
660 PRINT"PRESSING THEM ALONE FIRES STRAIGHT AHEAD
670 PRINT"PRESSING THEM WITH A DIRECTION KEY SHOOTS
680 PRINT"TO THE SIDE
690 PRINT"THE MISSLE IS STEERABLE AFTER IT IS SHOT
700 INPUT"INPUT A NUMBER TO START";X:GOTO160
710 DATA248,249,250,251,252,253,254,255
720 DATA -65,-64,-63,1,65,64,63,-1,-65,-64,-63
730 DATA139,189,132,190,139,189,132,190,139
740 DATA53633,53526,54618,54411,54793
750 DATA53216,53233,53848,53702,54411,54939,54406
760 DATA-33,-32,-31,1,33,32,31,-1,-33,-32
770 DATA53845,53965,53956,53609,53845,53968,54006
780 DATA53641,53359,53415,53782,54005
790 FORX=0TO9:READBD(X):NEXT:L=64
800 RETURN
810 IFS1>19THENFORX=1TO32:PRINT"TANK 1 WINS!":NEXTX
820 IFS2>19THENFORX=1TO32:PRINTTAB(15)"TANK 2 WINS!":NEXTX
830 S1=0:S2=0
840 RESTORE:GOTO30


# 2017-03-25 12:57:07

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