0 REM 'JETS' (KEYBOARD INPUT) SHOOT DOWN ENEMY PLANES IN A ONE-ON-ONE DUEL
1 REM          BY LARRY IRELAND...(8/83)
5 POKE53281,6:POKE53280,14:LM=255:C4=4:C5=5:C6=6:C7=7:C8=8:C9=9:C0=10
10 V=53248:PRINT"[147]":C1=1:C2=2:C3=3:Z=0:FORX=ZTOC7:POKEV+X,Z:NEXT
20 PRINT"DO YOU WANT GAME INSTRUCTIONS? Y/N ?"
21 GETK$:IFK$=""THEN21
22 IFK$="Y"THENGOSUB2000
23 IFK$="N"THENPRINT"[147]":GOTO35
24 GOTO20
35 POKEV+21,15:U=RND(-TI)
40 FORN=ZTO62:READQ:POKE832+N,Q:NEXT
45 FORN=ZTO62:READQ:POKE896+N,Q:NEXT
50 FORN=ZTO62:READQ:POKE960+N,Q:NEXT
70 POKE2040,13:POKE2041,14:POKE2042,15:POKE2043,14
75 POKEV+40,Z:POKEV+39,Z:POKEV+41,C7:POKEV+42,C1
80 POKEV+23,Z:POKEV+29,15
95 PRINT"[147]"
99 XX=125:YY=227:D=C2
100 XE=INT(RND(C1)*200)+20:F=INT(RND(C1)*100)+30:
110 POKEV+Z,XE:POKEV+C2,XE
120 POKEV+C4,XX:POKEV+C5,YY
200 POKEV+21,15:FORA=C1TO25:POKE55286+A*40,C1:POKE1014+A*40,72:NEXT
204 PRINT"",,,"[200] SCORE[157][157][157][157]"SC
205 FORY=ZTOLMSTEPD
207 IFBB=C1THEN220
210 POKEV+C1,Y
220 IFBH=ZTHENYF=Y+20+C2*(Y-F)
230 IFY>FANDYF<=LMTHENPOKEV+C3,YF:GOTO240
231 IFBB=ZTHEN235
232 IFY<FTHENY=LM:POKEV+C3,Z:GOTO1000
233 IFYA=ZANDYF>225THENY=LM:POKEV+C3,Z:GOTO1000
234 IFYG>225THENY=LM:POKEV+C3,Z:GOTO1000
235 IFYF>225ANDYA=ZTHENYA=Y:GOTO238
236 IFYA>ZTHEN238
237 POKEV+C3,Z:GOTO240
238 YG=Y+22+C2*(Y-YA):IFYG>LMTHENPOKEV+C3,Z:GOTO240
239 POKEV+C3,YG
240 GETH$
250 IFH$=CHR$(32)ANDYM>210ANDBB=ZTHEN440
260 IFH$=CHR$(29)THEN320
270 IFH$=CHR$(17)THEN290
275 IFYM<215THEN450
280 GOTO900
290 XX=XX-D*C2
300 IFXX<20THENXX=20
310 POKEV+C4,XX:IFYM<215THEN450
315 GOTO900
320 XX=XX+D*C2
330 IFXX>220THENXX=220
340 POKEV+4,XX:IFYM<215THEN450
345 GOTO900
440 YM=210:XM=XX:POKEV+C6,XM
450 YM=YM-C2*D:IFYM<45THENYM=LM:XM=Z
460 POKEV+C7,YM
900 A=PEEK(V+30)
909 IFBB=1THEN940
910 IFA=C9THEN3000:REM ENEMY HIT
920 IFA=C5THEN3200:REM COLLISION
940 IFA=C6THEN3500:REM HERO HIT
950 IFY>90ANDA=15THEN3500
1000 NEXT:IFBB=0THENSC=SC-200
1005 BB=Z:YA=Z:POKEV+C1,LM
1007 CT=CT+C1:IFCT=C2THENCT=Z:D=D+C1
1010 GOTO100
1200 DATA 1,247,192,0,255,128,0,127,0
1210 DATA 32,28,2,56,28,14,60,28,30
1220 DATA 62,28,62,63,62,126,47,255,250
1230 DATA 39,255,242,3,255,224,1,255,192
1240 DATA 0,255,128,0,127,0,0,54,0
1250 DATA 0,54,0,0,20,0,0,28,0,0,28,0
1260 DATA 0,28,0,0,8,0
1300 DATA 0,8,0,0,8,0,0,8,0,0,0,0
1310 DATA 0,0,0,0,0,0,0,8,0
1320 DATA 0,8,0,0,8,0,0,0,0,0,0,0
1330 DATA 0,0,0,0,8,0,0,8,0
1340 DATA 0,8,0,0,0,0,0,0,0,0,0,0
1350 DATA 0,0,0,0,0,0,0,0,0
1400 DATA 0,8,0,0,28,0,0,28,0,0,28,0
1410 DATA 0,20,0,0,54,0,0,54,0,0,127,0
1420 DATA 0,255,128,1,255,192,3,255,224
1430 DATA 39,255,242,47,255,250,63,62,126
1440 DATA 62,28,62,60,28,30,56,28,14
1450 DATA 32,28,2,0,127,0,0,255,128
1460 DATA 1,247,192
2000 PRINT"[147]   INSTRUCTIONS"
2005 PRINT"YOU ARE THE PILOT OF THE JETFIGHTER AT  THE BOTTOM OF THE SCREEN."
2010 PRINT"YOU CAN MOVE LEFT OR RIGHT AS FOLLOWS..."
2015 PRINT,"CRSR(DOWN)  = MOVE LEFT"
2020 PRINT,"CRSR(RIGHT) = MOVE RIGHT"
2025 PRINT"TO FIRE YOUR CANON...TAP THE SPACE-BAR      ONCE,DON'T HOLD IT DOWN"
2030 PRINT"YOU CAN SCORE 100 PTS FOR EACH ENEMY JETFIGHTER THAT YOU DESTROY,BUT ";
2035 PRINT"YOU HAVE   ONLY ONE LIFE TO LOOSE SO BE CAREFUL."
2040 PRINT"    (HIT ANY KEY TO START THE GAME)"
2045 GETKK$:IFKK$=""THEN2045
2050 K$="N":PRINT"[147]":RETURN
3000 EX=INT(XM/C8):EY=INT((Y-35)/C8)
3005 POKEV+C1,Z:POKEV+C7,LM:YM=LM
3010 IFEY>22THENEY=22
3011 IFEY<C2THENEY=C2
3015 EE=1024+EX+40*EY:EC=55296+EX+40*EY
3020 POKEEE,81:POKEEC,C8
3030 FORX=C1TO80:NEXT
3040 POKEEE,86:POKEEC,C7
3050 POKEEE-40,66:POKEEC-40,C7
3060 POKEEE+40,66:POKEEC+40,C7
3070 POKEEE-C1,67:POKEEC-C1,C7
3080 POKEEE+C1,67:POKEEC+C1,C7
3090 FORX=C1TO100:NEXT
3100 POKEEE-41,77:POKEEC-41,C1
3110 POKEEE-39,78:POKEEC-39,C1
3120 POKEEE+39,78:POKEEC+39,C1
3130 POKEEE+41,77:POKEEC+41,C1
3131 POKEEE-82,77:POKEEC-82,Z:POKEEE-80,66:POKEEC-80,Z
3132 POKEEE-78,78:POKEEC-78,Z:POKEEE-C2,67:POKEEC-C2,Z
3133 POKEE+C2,67:POKEEC+C2,Z:POKEEE+78,78:POKEEC+78,Z
3134 POKEEE+80,66:POKEEC+80,Z:POKEEE+82,77:POKEEC+82,Z
3140 FORX=C1TO100:NEXT
3142 W=32
3143 POKEEE,W:POKEEE-40,W:POKEEE+40,W:POKEEE-C1,W:POKEEE+C1,W:POKEEE-41,W:
3144 POKEEE-39,W:POKEEE+39,W:POKEEE+41,W:POKEEE-82,W:POKEEE-80,W:POKEEE-78,W
3145 POKEEE-C2,W:POKEEE+C2,W:POKEEE+78,W:POKEEE+80,W:POKEEE+82,W
3150 IFHD=C1THEN4000
3160 SC=SC+100:BB=C1:GOTO1000
3200 HD=C1:EX=INT(XX/C8):EY=22:POKEV+C5,Z:POKEV+C3,Z:POKEV+C1,Z:GOTO3015
3500 HD=C1:EX=INT(XX/C8):EY=22:POKEV+C5,Z:POKEV+C3,Z:GOTO3015
4000 PRINT"[147]":POKEV+21,Z
4010 PRINT"    YOUR FINAL SCORE IS "SC"[157] [146] PTS."
4020 PRINT""
4030 PRINT"SHALL WE PLAY AGAIN?   Y/N?"
4040 GETA$:IFA$=""THEN4040
4050 IFA$="Y"THENPOKEV+C7,LM:POKEV+C1,Z:POKEV+C3,Z:RUN
4060 IFA$<>"N"THEN4040
4070 PRINT"[147]":END