10  REM SHIP SYSTEM MANAGER BY D10D3 2020
20  SCREEN 0,0:CLS:LOCATE 10,3:PRINT"INITIALIZING";
30  GOSUB 1590 'LOAD SYSTEM ARRAY
40  LCHK = PEEK(64082!)'REM CHECK LINE
50  IF LCHK=187 THEN GOTO 90
60  CLEAR256,62138!
70  FORX=62139!TO62335!:READA:POKEX,A:NEXTX
80  POKE 64082!,187:POKE 64083!,242
90  'FILL CARGO ARRAY   
100 OPEN "CARGO.DO" FOR INPUT AS #1
110 DIM CN$(30)
120 DIM CT%(30)
130 DIM CC%(30)
160 FOR I=1TO30
180 IF NOT EOF(1) THEN INPUT#1,A$ ELSE GOTO 500
190 CN$(I)=A$
191 IF NOT EOF(1) THEN INPUT#1,A$ ELSE GOTO 500
192 CT%(I)=VAL(A$)
193 IF NOT EOF(1) THEN INPUT#1,A$ ELSE GOTO 500
194 CC%(I)=VAL(A$)
210 NEXT I
220 CLOSE #1
230 FUEL% = CT%(1)
500  '*** MAIN MENU   ***
510  CLS
520  LINE (111,2)-(118,31),1,B
530  LINE (118,11)-(209,11)
540  LINE (209,2)-(216,31),1,B
550  LINE (118,24)-(133,33)
560  LINE (209,24)-(194,33)
570  LINE (133,33)-(150,51)
580  LINE (194,33)-(177,51)
590  LINE (148,11)-(148,49)
600  LINE (178,11)-(178,49)
610  LINE (150,51)-(157,51)
620  LINE (177,51)-(170,51)
630  LINE (157,51)-(159,54)
640  LINE (170,51)-(168,54)
650  LINE (159,7)-(168,62),1,B
660  LINE (133,11)-(133,33)
670  LINE (194,11)-(194,33)
680  LINE (161,52)-(166,58),1,B
690  LINE (159,22)-(168,31),1,B
700 LOCATE 0,0:PRINT"SYSTEMS ONLINE"
710 LOCATE 0,4:PRINT"N: NAVIGATION";
720 LOCATE 0,5:PRINT"C: CARGO MANAGER";
730 LOCATE 0,6:PRINT"Q: QUIT";
740 I$=INPUT$(1)
750 IF I$="N" THEN GOTO 1080
760 IF I$="C" THEN GOTO 2000
770 IF I$="Q" THEN GOTO 11000
780 GOTO 500
1080 ' ***   NAVIGATION SYSTEM   ***
1090 S$ = "A"
1100 GOSUB 1320 :REM SYSTEM LIST S$
1110 PRINT"A(SHOW A-L) M(SHOW M-Z) #(SELECTION)"
1120 INPUT"ENTER ORIGIN";B$
1130 GOSUB 1930 :REM SOUND
1140 IF B$ = "A" THEN S$ = "A"
1150 IF B$ = "M" THEN S$ = "M"
1160 IF B$ = "A" OR B$ = "M" THEN GOTO 1100
1170 ELSE
1180 GOSUB 1540 :REM SYSTEM COORDS
1190 OX=IX:OY=IY:OZ=IZ
1200 S$ = "A"
1210 GOSUB 1320 :REM SYSTEM LIST S$
1220 PRINT"A(SHOW A-L) M(SHOW M-Z) #(SELECTION)"
1230 INPUT"ENTER DESTINATION";B$
1240 GOSUB 1930 :REM SOUND
1250 IF B$ = "A" THEN S$ = "A"
1260 IF B$ = "M" THEN S$ = "M"
1270 IF B$ = "A" OR B$ = "M" THEN GOTO 1210
1280 ELSE
1290 GOSUB 1540 :REM SYSTEM COORDS
1300 DX=IX:DY=IY:DZ=IZ
1310 GOTO 1680 :REM TRAVEL CALC
1320 REM SYSTEM LIST S$
1330 IF S$ = "A" THEN GOSUB 1360
1340 IF S$ = "M" THEN GOSUB 1450
1350 RETURN
1360 PRINT  CHR$(12)
1370 LOCATE 0,0
1380 PRINT"1.Abbadon    7.Chelsea    13.Lungold"
1390 PRINT"2.Achamandra 8.Colossus"
1400 PRINT"3.Avatar     9.Cornwall"
1410 PRINT"4.Azrael     10.Enlas-Dhu"
1420 PRINT"5.Beehive    11.Estremerine"
1430 PRINT"6.Cenotaph   12.Fiobrachne"
1440 RETURN
1450 PRINT  CHR$(12)
1460 LOCATE 0,0
1470 PRINT"14.Medusa         20.Shiva"
1480 PRINT"15.Monolith       21.Sunrise"
1490 PRINT"16.Moonjam        22.Tara"
1500 PRINT"17.Phoenix Nebula 23.Timos"
1510 PRINT"18.Rhad           24.Videga"
1520 PRINT"19.Sheol          25.Winterjewel"
1530 RETURN
1540 REM SYSTEM COORDS
1550 IX=SYSTEMS%(VAL(B$),1)
1560 IY=SYSTEMS%(VAL(B$),2)
1570 IZ=SYSTEMS%(VAL(B$),3)
1580 RETURN
1590 REM LOAD SYSTEM ARRAY
1600 DIM SYSTEMS%(25,3)
1610 FOR I=1 TO 25:
1620 FOR J=1 TO 3
1630 READ D
1640 SYSTEMS%(I,J)=D
1650 NEXT J
1660 NEXT I
1670 RETURN
1680 REM TRAVEL CALC
1690 DIST = SQR(ABS(OX-DX)^2 + ABS(OY-DY)^2 + ABS(OZ-DZ)^2 )
1700 GOSUB 1800 :REM DISPLAY MAP
1710 A$ = "##.#"
1720 LOCATE 20,0:PRINT"DISTANCE:";
1730 PRINT USING A$; DIST;
1740 LOCATE 20,1:PRINT"DAYS:";:PRINT USING A$; DIST;
1750 GOSUB 1930 :REM Sound
1760 LOCATE 20,2:PRINT"FUEL USED:";:PRINT USING A$; DIST*2;
1762 LOCATE 20,4:PRINT"Execute Flight";:LOCATE 20,5:INPUT"Plan?(Y/N)";B$
1764 IF B$="Y" THEN GOSUB 2510
1770 LOCATE 20,5:INPUT"ANOTHER(Y/N)  ";B$
1780 IF B$="Y" THEN GOTO 1080
1790 GOTO 500 :REM END
1800 REM DISPLAY MAP
1810 PRINT CHR$(12)
1820 LINE(0,0)-(81,0)
1830 LINE(0,63)-(81,63)
1840 LINE(0,0)-(0,63)
1850 LINE(81,0)-(81,63)
1860 FOR I = 1 TO 25
1870 PSET(SYSTEMS%(I,1)*2,SYSTEMS%(I,2)*2)
1880 NEXT I
1890 P1=OX*2:P2=OY*2
1900 P3=DX*2:P4=DY*2
1910 LINE(P1,P2)-(P3,P4)
1920 RETURN
1930 REM SOUND
1940 FOR I=1TO4
1950 P=900+(RND(1)*10000)
1960 T=5
1970 SOUND P,T
1980 NEXT I
1990 RETURN
2000 '***  CARGO MANAGER   ***
2160 PG=1:RW=7:SE=1 'PAGE,ROW,SELECT
2170 L=1:NS=1 'LINE,NEW SCREEN
2180 'MAIN LOOP
2190 IF NS=0 THEN GOTO 2290
2200 CLS
2210 LOCATE 0,0:PRINT"NAME                          TON   COST"
2220 FOR I=PG TO PG+5
2230 LOCATE 1,L:PRINT CN$(I);:
2240 LOCATE 30,L:PRINT CT%(I);
2250 LOCATE 35,L:PRINT CC%(I);
2260 L=L+1:IF L>6 THEN L=1
2270 NEXT I
2280 LOCATE 0,7:PRINT"SELECT:U/D PAGE:L/R EDIT:ENT QUIT:ESC";
2290 LINE (0,0+RW)-(175,8+RW),1,B
2300 I$=INPUT$(1)
2310 LINE (0,0+RW)-(175,8+RW),C,B
2320 IF I$=CHR$(27) OR I$="Q" OR I$="q" THEN GOTO 2500'ESCAPE
2330 IF I$=CHR$(28) THEN PG=PG+6:SE=SE+6:NS=1'RIGHT
2340 IF I$=CHR$(29) THEN PG=PG-6:SE=SE-6:NS=1'LEFT
2350 IF I$=CHR$(30) THEN RW=RW-8:NS=0:SE=SE-1'UP
2360 IF I$=CHR$(31) THEN RW=RW+8:NS=0:SE=SE+1'DOWN
2370 'IF I$=CHR$(32) THEN 'SPACE
2380 IF I$<>CHR$(13) THEN GOTO 2430'ENTER
2390 NS=1: IF SE=1 THEN GOTO 2410
2400 GOSUB 2480:INPUT"NAME";A$:CN$(SE)=A$
2410 GOSUB 2480:INPUT"TONS:";A$:CT%(SE)=VAL(A$):FUEL%=VAL(A$)
2420 GOSUB 2480:INPUT"COST:";A$:CC%(SE)=VAL(A$)
2430 IF SE>30 THEN SE=30!SLE IF SE<1 THE SE=1
2440 IF PG>25 THEN PG=25 ELSE IF PG<1 THEN PG=1
2450 IF RW>47 THEN RW=47 ELSE IF RW<7 THEN RW=7
2460 IF SE>PG+5 THEN SE=PG+5
2470 GOTO 2180
2480 LOCATE 0,7:PRINT"                                     ";
2490 LOCATE 0,7:RETURN
2500 GOTO 500
2510 IF DIST*2 > FUEL% THEN LOCATE 20,4:PRINT"INSUFFICIENT FUEL";:LOCATE 20,5:INPUT"<PRESS A KEY>";B$
2520 IF DIST*2 < FUEL% THEN FUEL% = FUEL% - (DIST*2):CT%(1)=FUEL%
2530 RETURN
10000 REM SYSTEM COORDS
10010 DATA 21,20,17,13,18,10,15,24,15,12,5,8
10020 DATA 19,4,8,36,17,7,15,27,12,5,17,13
10030 DATA 4,25,6,32,15,11,22,6,10,21,1,14
10040 DATA 7,19,7,8,14,12,20,16,10,19,12,13
10050 DATA 24,17,20,18,20,13,5,4,6,20,29,9
10060 DATA 7,11,10,29,11,13,24,22,9,21,15,16,26,13,15
10070 REM LINE ROUTINE DATA
10080 DATA 193,254,244,235,42,250,243,235,196,118
10090 DATA 31,213,207,244,205,118,31,213,17,208
10100 DATA 116,202,234,242,213,207,44,254,44,209
10110 DATA 202,232,242,213,205,227,19,209,15,218
10120 DATA 232,242,17,209,116,43,215,235,34,102
10130 DATA 243,235,202,40,243,207,44,207,66,202
10140 DATA 18,243,207,70,209,227,123,149,210,5
10150 DATA 243,47,60,107,71,4,93,205,47,243
10160 DATA 44,5,194,7,243,225,201,209,227,213
10170 DATA 93,205,47,243,209,213,84,205,47,243
10180 DATA 209,229,98,205,47,243,225,107,1,209
10190 DATA 227,205,47,243,225,201,229,213,197,125
10200 DATA 147,210,58,243,235,47,60,71,14,20
10210 DATA 124,146,210,69,243,47,60,12,184,218
10220 DATA 80,243,103,104,62,28,195,85,243,111
10230 DATA 96,121,14,28,50,120,243,121,50,107
10240 DATA 243,68,4,124,167,31,79,229,213,197
10250 DATA 205,209,116,193,209,225,20,121,133,79
10260 DATA 218,118,243,188,218,121,243,148,79,28
10270 DATA 5,194,98,243,195,94,25
11000 CLS
11010 INPUT "SAVE? (Y/N)";A$
11020 IF A$<>"Y" AND A$<>"y" THEN GOTO 11110
11030 PRINT "SAVING..."
11040 OPEN "CARGO.DO" FOR OUTPUT AS #1
11050 FOR I=1TO30
11060 PRINT#1,CN$(I)
11070 PRINT#1,CT%(I)
11080 PRINT#1,CC%(I)
11090 NEXT I
11100 CLOSE
11110 END