1 GOSUB1000:GOSUB80:GOSUB50:SYS49152
2 POKEW1,17:SYS49408:C=PEEK(CX):IFCTHEND=PEEK(SP+A(C)):GOSUB10
3 IFPEEK(HM)THENGOSUB20
4 FORJ=RTO20-DL:NEXT:BZ=BZ+R:IFBZ=MXTHENBZ=.:GOSUB50
5 IFSK>NTHENGOSUB7
6 POKEH1,(PEEK(251)/5+9):POKEW1,16:GOTO2
7 KL=KL+R:IFKL>NTHENKL=.:POKEFAST,INT(RND(R)*M):POKE845,(.)
8 IFRND(R)>PTHENPOKEFAST,V:POKE845,(.)
9 RETURN
10 POKEBD,2:FORJ=RTO40:POKESP+A(C),D:POKEW1,129:SYS49608:POKEW1,128:NEXT
11 SC=SC-SK:IFSC<RTHENSC=.
12 POKEBD,.:POKECX,.:RETURN
13 REM LINES 7-9 = 'VARY SPEED' RTN
14 REM LINES 10-12 = 'HIT PROP' RTN
20 REM*** 'HOME'
21 SC=SC+SK+3:IFSC>199THENGOSUB70:GOSUB80
22 POKESP+21,0:PRINTSC$"[153]SCORE:"SC
23 FORJ=100TO1STEP-2:SYS49608:POKEW1,21:POKEH1,J:POKEW1,20:NEXT
24 PRINTSC$"             ":POKEHM,0:POKECX,0
50 REM*** 'NEW COOP'
51 POKESP+21,0:POKEW3,21:POKEH3,PEEK(251):PRINTSC$"[158]NEW COOP":PRINT"[153]";
52 FORJ=1TO24:PRINT"[218][218]":NEXT
53 PRINT"[218][218]":POKEW1,16:POKEW3,20
54 IFHF=0THENHF=1:GOTO58
55 HF=0:J=1062:FS=40*(INT(RND(1)*25))
56 HI=INT((FS+J)/256):LO=(FS+J)-(HI*256):POKE843,LO:POKE844,HI
57 SYS49615:POKEJ+FS+L1,10:PRINTSC$"          ":POKESP+21,255:GOSUB100:RETURN
58 J=1025:FS=40*(INT(RND(1)*25))
59 HI=INT((FS+J)/256):LO=(FS+J)-(HI*256):POKE843,LO:POKE844,HI
60 SYS49615:POKEJ+FS+L1,10:PRINTSC$"          ":POKESP+21,255:GOSUB100:RETURN
70 REM** NEXT LEVEL
71 PRINTCHR$(142):FORJ=1TO500:NEXT:PRINTCHR$(14):POKESP+21,0:POKEW2,21
72 POKEW1,20:POKEFV,3 :FORK=5TO115STEP2:POKEW3,21:POKEBD,K:POKE646,K
73 POKEH1,K*1.4:PRINTSC$"NEXT LEVEL?":POKEH3,K/4:SYS49608:POKEW3,20:NEXT
74 POKEW1,20:POKEFV,66:FORJ=1TO3500:NEXT:POKEH3,100:POKEBD,0:POKEW2,129:RETURN
80 REM*** PICK SKILL LEVEL
81 POKESP+21,0:POKEFNA(0),32:KZ=0
82 PRINTSC$"[158][157][157][157]PICK SKILL LEVEL"
83 PRINTSC$"[155](1 - 6)"
84 GOSUB200
85 IFKZ<>1THENSYS49608:GOTO84
86 PRINTSC$"[157][157][157]                "
87 PRINTSC$"           "
88 SC=0:RETURN
100 REM*** PAUSE ROUTINE
101 IFFNB(.)THENRETURN
102 POKEBD,13:PRINTSC$"[158] PAUSING [146]"SC$"[155]SCORE:"SC
103 PRINTSC$"FIRE=PLAY"SC$"ZERO=QUIT"
104 FORJ=1TO1500:NEXT:POKEBD,0
105 SYS49608:S=S+1:IFINT(S/43)=S/43THENPOKEW3,20:POKEH3,PEEK(SP+1):POKEW3,21
106 IFFNB(.)=.THEN110
107 GOSUB200
108 IFSK>5THENGOSUB7
109 GOTO105
110 PRINTSC$"            "SC$"          "SC$"         "
111 PRINTSC$"         "
112 POKEW3,20:POKEBD,2:POKEBD,5:POKESP+31,0:POKEBD,7:POKEBD,3:POKEBD,0:RETURN
200 REM*** SKILL
201 G=PEEK(197)
203 IFG=35THEN300
204 IFG=56THENSK=1:DL=1:POKEFAST,1:POKEROT,4:POKE829,0:POKE845,0:KZ=1:RETURN
205 IFG=59THENSK=2:DL=5:POKEFAST,2:POKEROT,3:POKE829,0:POKE845,0:KZ=1:RETURN
206 IFG=8THENSK=3:DL=10:POKEFAST,3:POKEROT,2:POKE829,0:POKE845,0:KZ=1:RETURN
207 IFG=11THENSK=4:DL=15:POKEFAST,4:POKEROT,1:POKE829,0:POKE845,0:KZ=1:RETURN
208 IFG=16THENSK=5:DL=19:POKEFAST,5:POKEROT,0:POKE829,0:POKE845,0:KZ=1:RETURN
209 IFG=19THENSK=6:DL=19:POKEFAST,6:POKEROT,0:POKE829,0:POKE845,0:KZ=1:RETURN
210 RETURN
300 REM*** QUIT
301 POKE49221,2:POKE49228,0:POKE829,0:POKE845,0:POKE646,7
302 FORJ=SP+1TOSP+15STEP2:POKEJ,123:NEXT:POKE214,24:PRINT:FORJ=1TO24
303 PRINT:FORK=1TO20:NEXTK,J:POKEW3,20
304 POKEW3,21:PRINTSC$"BYE BYE . . .":FORJ=1TO2400:NEXT:POKESP+21,0
305 FORJ=L1TOVM+3:POKEJ,0:NEXT:SYS64738
1000 REM*** INITIALIZE
1001 REM**ML RTNS: SPRITEMOVE=49152:BIRDMOVE=49408:FLAPWING=49608:PUTMATE=49615
1002 POKE54296,47:POKE54295,66 :POKE53272,21:POKE53281,0:BD=53280:POKEBD,0
1004 GOSUB10000:GOSUB12000:FAST=49221:ROT=49228:R=1:N=5:M=7:P=(.98):V=28:MX=200
1006 REM*** SET UP SPRITES
1008 POKE53275,255:SP=53248:CX=SP+31:POKECX,0
1012 FORJ=2040TO2047:POKEJ,221:NEXT
1014 B=80:FORJ=SP+1TOSP+15STEP2:POKEJ,B:B=B+20:NEXT
1016 POKESP+23,0:POKESP+29,24
1018 POKESP,40:POKESP+2,70:POKESP+4,100:POKESP+6,130:POKESP+8,188:POKESP+10,245
1020 POKESP+12,20:POKESP+14,48:POKESP+16,192
1022 POKESP+39,7:POKESP+40,3:POKESP+41,4:POKESP+42,13
1024 POKESP+43,7:POKESP+44,3:POKESP+45,13:POKESP+46,4
1025 REM ML VARBLS, ETC IN CASET BUFR
1026 POKE828,221:REM START SPRITE PNTRS
1028 POKE829,1:REM SPRITE ROTATE COUNTR
1030 POKE830,40:POKE831,0:REM LINE VAL
1032 POKE832,0:REM R/L JYSTK FLAG
1034 POKE833,0:REM U/D JYSTK FLAG
1036 POKE834,91:REM BIRD CHAR VAL
1038 POKE835,1:POKE836,4:REM UP LIMIT
1040 POKE837,230:POKE838,6:REM DN LIMIT
1042 POKE841,1:REM SPRITE MOVE COUNTR
1044 HM=842:POKEHM,0:REM 'HOME' FLAG
1046 POKE843,95:POKE844,5:REM MATE'S FIRST LOCATION
1048 POKE251,144:POKE252,4:REM FIRST BIRD LOCATION - ZERO PAGE
1049 POKE845,0:REM FILTER CUT COUNTR
1050 DIMA(129):A(1)=1:A(2)=3:A(4)=5:A(8)=7:A(16)=9:A(32)=11:A(64)=13:A(128)=15
1052 HF=0:BZ=0
1054 DEFFNA(X)=((PEEK(252)*256)+PEEK(251))
1056 DEFFNB(X)=(PEEK(56320)AND16)
1058 SC$=""
1060 REM*** SOUND VRBLS
1064 L1=54272:H1=L1+1:W1=L1+4:W2=L1+11
1068 L3=L1+14:H3=L1+15:W3=L1+18
1070 FH=L1+22:FV=L1+23:VM=L1+24
1074 REM*** SETUP SOUNDS
1076 POKEL1+5,64:POKEL1+12,15:POKEL1+19,12
1078 POKEL1+7,255:POKEL1+8,255
1082 POKEL1+6,0:POKEL1+13,240:POKEL1+20,12
1084 POKEFH,90
1100 GOSUB11000
3000 REM*** DRAW COOPS
3004 FORJ=1984TO1024STEP-40:POKEJ+L1,10:POKEJ,90:POKEJ+L1+1,10:POKEJ+1,90
3006 POKEJ+L1+38,10:POKEJ+38,90:POKEJ+L1+39,10:POKEJ+39,90:NEXT
3008 FORJ=1024TO1984STEP40:POKEJ+L1,13:POKEJ+L1+1,13:POKEJ+L1+38,13
3010 POKEJ+L1+39,13:NEXT:RETURN
10000 REM*** TITLE
10001 PRINT"[147][153]"CHR$(142);
10002 PRINT"[169] [223]"
10003 PRINT"[169]   [223]"
10004 PRINT"  P  "
10005 PRINT"  R  "
10006 PRINT"  O  "
10007 PRINT"  P  "
10008 PRINT"[223] S [146][169]"
10009 PRINT"   [146]"
10010 PRINT"[223] [146][169]"
10011 PRINT" [146]"
10012 PRINT"[169]   [223]"
10013 PRINT"[169]        [223] [213][195][201] [169]        [223]"
10014 PRINT"  PROPS     [221] [221]     PROPS  "
10015 PRINT"[223]        [146][169] [202][195][203] [146][223]        [146][169]"
10016 PRINT"[223]   [146][169]"
10017 PRINT" [146]"
10018 PRINT"[169] [223]"
10019 PRINT"   [146]"
10020 PRINT"[169] P [223]"
10021 PRINT"  R  "
10022 PRINT"  O  "
10023 PRINT"  P  "
10024 PRINT"  S  "
10025 PRINT"[223]   [146][169]"
10026 PRINT"[223] [146][169][159]READING[157][157][157]DATA..."
10027 Q$="":POKE214,19:PRINT
10028 PRINTQ$"JOYSTICK":PRINTQ$"IN PORT 2"
10999 RETURN
11000 REM*** INSTRUCTIONS
11002 PRINT"[147]":POKE53272,31
11004 R$=""
11006 PRINT"[153][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218]"
11007 PRINT"[218][218][218][218]"
11008 PRINTR$"[218][218][158] YOU ARE A PIGEON X[158] LOST [153][218][218]"
11010 PRINTR$"[218][218][158] IN A DANGEROUS SKY FULL [153][218][218]"
11012 PRINTR$"[218][218][158] OF WHIRLING PROPELLERS. [153][218][218]"
11013 PRINT"[218][218][218][218]"
11014 PRINTR$"[218][218][159] BACK AT THE COOP, YOUR  [153][218][218]"
11016 PRINTR$"[218][218][159] MATE WAITS FAITHFULLY-- [150]X[153][218]"
11017 PRINT"[218][218][218][218]"
11018 PRINTR$"[218][218][150] WATCH OUT FOR THE PROPS [153][218][218]"
11020 PRINTR$"[218][218][150] WHILE YOU FLY FOR HOME. [153][218][218]"
11021 PRINT"[218][218][218][218]"
11022 PRINTR$"[218][218][158] HIT FIRE BUTTON DURING  [153][218][218]"
11024 PRINTR$"[218][218][158] SCORE DISPLAY TO PAUSE, [153][218][218]"
11026 PRINTR$"[218][218][158] OR CHANGE SKILL LEVEL.  [153][218][218]"
11027 PRINT"[218][218][218][218]"
11028 PRINTR$"[218][218][159] HIT ZERO KEY DURING ANY [153][218][218]"
11030 PRINTR$"[218][218][159] PAUSE TO  QUIT PLAYING. [153][218][218]"
11032 PRINT"[218][218][218][218]"
11038 PRINTR$"[218][218][158] PRESS FIRE BUTTON NOW   [153][218][218]"
11040 PRINTR$"[218][218][158] TO CHOOSE SKILL  LEVEL. [153][218][218]"
11042 PRINT"[218][218][218][218]"
11044 PRINT"[218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218][218]"
11050 POKEW3,16:POKEH3,1:POKEL3,90:POKEW2,129
11052 SYS49608:POKEFH,PEEK(VM+3)/2:IFFNB(0)THEN11052
11054 PRINT""CHR$(142):FORJ=1TO200:NEXT:PRINTCHR$(14)
11056 PRINT"[147]":POKEW3,20:SYS49920:REM WHITE COL MEMORY
11058 POKE843,254:POKE844,3:POKE251,220:POKEFH,2:RETURN
12000 REM** SPRITE SHAPE DATA
12001 IFPEEK(14081)=8ANDPEEK(15065)=195THENRETURN
12287 CK=0:FORJ=14080TO14142:READQ:CK=CK+Q:POKEJ,Q:NEXT
12288 DATA 0,8,0,0,24,0,0,56,0,0,56,0,0,56,0,0,24,0,0,16,0,0,16,0,0,0,0
12289 DATA 0,24,0,0,60,0,0,24,0,0,0,0,0,8,0,0,8,0,0,24,0,0,28,0,0,28,0,0,28
12290 DATA 0,0,24,0,0,16,0
12351 FORJ=14144TO14206:READQ:CK=CK+Q:POKEJ,Q:NEXT
12352 DATA 0,0,0,16,0,0,28,0,0,14,0,0,15,0,0,7,128,0,3,128,0,1,192,0,0,128
12353 DATA 0,0,24,0,0,60,0,0,24,0,0,2,0,0,3,128,0,1,192,0,1,224,0,0,240,0,0
12354 DATA 112,0,0,56,0,0,8,0,0,0
12415 FORJ=14208TO14270:READQ:CK=CK+Q:POKEJ,Q:NEXT
12416 DATA 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
12417 DATA 0, 0,124,24, 62,255,189,255,124,24, 62, 0,0, 0,0,0,0,0,0,0,0,0,0
12418 DATA 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
12479 FORJ=14272TO14334:READQ:CK=CK+Q:POKEJ,Q:NEXT
12480 DATA 0,0,0,0,0,8,0,0,56,0,0,112,0,0,240,0,1,224,0,1,192,0,3,128,0,2
12481 DATA 0,0,24,0,0,60,0,0,24,0,0,64,0,1,192,0,3,128,0,7,128,0,15
12482 DATA 0,0,14,0,0,28,0,0,16,0,0,0,0,0
12500 IFCK<>5053THENPRINT"ERROR IN DATA LINES 12000-12482":END
49000 REM*** POKE PROPMOVE RTN
49151 CJ=0:FORJ=49152TO49310:READQ:CK=CK+Q:POKEJ,Q:NEXT
49152 DATA 120, 173, 21, 3, 201, 234
49158 DATA 208, 13, 169, 33, 141, 20
49164 DATA 3, 169, 192, 141, 21, 3
49170 DATA 76, 31, 192, 169, 49, 141
49176 DATA 20, 3, 169, 234, 141, 21
49182 DATA 3, 88, 96, 169, 0, 141
49188 DATA 73, 3, 238, 1, 208, 206
49194 DATA 3, 208, 238, 5, 208, 206
49200 DATA 7, 208, 238, 9, 208, 206
49206 DATA 11, 208, 238, 13, 208, 206
49212 DATA 15, 208, 238, 73, 3, 173
49218 DATA 73, 3, 201, 2, 208, 222
49224 DATA 173, 61, 3, 201, 5, 240
49230 DATA 6, 238, 61, 3, 76, 49
49236 DATA 234, 173, 60, 3, 201, 224
49242 DATA 208, 5, 169, 220, 141, 60
49248 DATA 3, 141, 248, 7, 141, 249
49254 DATA 7, 141, 250, 7, 141, 251
49260 DATA 7, 141, 252, 7, 141, 253
49266 DATA 7, 141, 254, 7, 141, 255
49272 DATA 7, 238, 60, 3, 169, 0
49278 DATA 141, 61, 3, 173, 69, 192
49284 DATA 10, 10, 10, 10, 10, 141
49290 DATA 78, 3, 24, 173, 77, 3
49296 DATA 109, 78, 3, 141, 77, 3
49302 DATA 141, 22, 212, 206, 8, 212
49308 DATA 76, 49, 234
49350 IFCK<>22679THENPRINT"ERROR IN DATA LINES 49000-49308":END
49400 REM*** POKE BIRDMOVE RTN
49407 CK=0:FORJ=49408TO49643:READQ:CK=CK+Q:POKEJ,Q:NEXT
49408 DATA 160, 0, 169, 32, 145, 251
49414 DATA 165, 251, 133, 253, 165, 252
49420 DATA 133, 254, 173, 0, 220, 162
49426 DATA 0, 74, 176, 1, 136, 74
49432 DATA 176, 1, 200, 74, 176, 1
49438 DATA 202, 74, 176, 1, 232, 74
49444 DATA 142, 64, 3, 140, 65, 3
49450 DATA 173, 64, 3, 201, 1, 240
49456 DATA 18, 201, 255, 240, 3, 76
49462 DATA 116, 193, 165, 253, 208, 2
49468 DATA 198, 254, 198, 253, 76, 73
49474 DATA 193, 230, 253, 208, 2, 230
49480 DATA 254, 160, 0, 177, 253, 201
49486 DATA 32, 208, 3, 76, 91, 193
49492 DATA 201, 90, 208, 14, 76, 108
49498 DATA 193, 165, 253, 133, 251, 165
49504 DATA 254, 133, 252, 76, 116, 193
49510 DATA 169, 1, 141, 74, 3, 96
49516 DATA 165, 251, 133, 253, 165, 252
49522 DATA 133, 254, 173, 65, 3, 201
49528 DATA 1, 240, 39, 201, 255, 240
49534 DATA 3, 76, 200, 193, 162, 0
49540 DATA 165, 253, 208, 2, 198, 254
49546 DATA 198, 253, 232, 224, 40, 208
49552 DATA 243, 24, 165, 253, 205, 67
49558 DATA 3, 165, 254, 237, 68, 3
49564 DATA 176, 34, 240, 32, 144, 38
49570 DATA 162, 0, 230, 253, 208, 2
49576 DATA 230, 254, 232, 224, 40, 208
49582 DATA 245, 24, 165, 253, 205, 69
49588 DATA 3, 165, 254, 237, 70, 3
49594 DATA 144, 4, 240, 2, 176, 8
49600 DATA 165, 253, 133, 251, 165, 254
49606 DATA 133, 252, 160, 0, 173, 66
49612 DATA 3, 145, 251, 173, 75, 3
49618 DATA 133, 253, 173, 76, 3, 133
49624 DATA 254, 173, 66, 3, 145, 253
49630 DATA 201, 96, 240, 4, 238, 66
49636 DATA 3, 96, 169, 91, 141, 66
49642 DATA 3, 96
49650 IFCK<>33160THENPRINT"ERROR IN DATA LINES 49400-49642":END
49662 REM*** POKE COPYCHAR RTN
49663 CK=0:FORJ=49664TO49704:READQ:CK=CK+Q:POKEJ,Q:NEXT
49664 DATA 169,0,133,4,169,208,133,5
49672 DATA 169,0,133,6,169,56,133,7
49680 DATA 162,0,160,0,177,4,145,6
49688 DATA 200,192,255,208,247,230,5,230
49696 DATA 7,232,224,16,208,236,160,0,96
49700 IFCK<>4894THENPRINT"ERROR IN DATA LINES 49662-49696":END
49918 REM*** POKE WHITEMEM RTN
49919 CK=0:FORJ=49920TO49939:READQ:CK=CK+Q:POKEJ,Q:NEXT
49920 DATA 162, 0, 169, 1, 157, 0
49926 DATA 216, 157, 0, 217, 157, 0
49932 DATA 218, 157, 0, 219, 232, 208
49938 DATA 241, 96
49950 IFCK<>2607THENPRINT"ERROR IN DATA LINES 49918-49938":END
62000 REM* COPY CHAR SET TO 14336
62002 POKE56334,PEEK(56334)AND254:POKE1,PEEK(1)AND251
62004 SYS49664
62006 POKE1,PEEK(1)OR4:POKE56334,PEEK(56334)OR1
62400 REM** POKE NEW CHARACTER DATA **
62500 CK=0:FORJ=15064TO15071:READQ:CK=CK+Q:POKEJ,Q:NEXT
62501 DATA 0,195,102,60,24,0,0,0
62502 FORJ=15072TO15079:READQ:CK=CK+Q:POKEJ,Q:NEXT
62503 DATA 0,0,195,126,24,0,0,0
62504 FORJ=15080TO15087:READQ:CK=CK+Q:POKEJ,Q:NEXT
62505 DATA 0,0,66,255,153,0,0,0
62506 FORJ=15088TO15095:READQ:CK=CK+Q:POKEJ,Q:NEXT
62507 DATA 0,0,0,90,255,129,0,0
62508 FORJ=15096TO15103:READQ:CK=CK+Q:POKEJ,Q:NEXT
62509 DATA 0,0,0,24,126,195,0,0
62510 FORJ=15104TO15111:READQ:CK=CK+Q:POKEJ,Q:NEXT
62511 DATA 0,0,0,24,60,102,195,129
62512 FORJ=15056TO15063:READQ:CK=CK+Q:POKEJ,Q:NEXT
62513 DATA 255, 60, 24, 24, 24, 24, 60,255
62600 IFCK<>3255THENPRINT"ERROR IN DATA LINES 62000-62513":END
63000 RETURN