1  COM A[25],V[2,10]
2  COM A$[255],A1$[255],B0$[5],D0$[255],F0$[1],F1$[11],S0$[6]
3  COM H0$[94],H1$[94],J0$[3],J1$[3],K1$[15],P0$[184],P1$[4]
4  COM N0$[1],U0$[11],U1$[11],V0$[10],V1$[10],W$[102],W0$[8],W1$[255],Z$[255]
5  COM C0,C1,C2,C3,C4,C5,C6,C7,C8,C9,D0
6  COM D,D1,D2,F9,G,G0,G8,L,S0,V0,V1,V2,V3,V5,V7
7  COM W0,W1,W3,W5,W8,W9
10  COM L[5],M[64,2],N[64,2],P[2]
11  COM B$[94],L$[94],M$[94],N$[94],O$[94],P$[94]
12  COM L1,L2,L3,L4,L7,M1,M2,M3,M4,M5,M7,M8,M9,N1,N2,N3,N4
15  REM (C) COPYRIGHT  HEWLETT-PACKARD CO. 1976
16  REM ALL RIGHTS RESERVED.  NO PART OF THIS PROGRAM MAY BE PHOTOCOPIED,
17  REM REPRODUCED OR TRANSLATED TO ANOTHER PROGRAM LANGUAGE WITHOUT THE
18  REM PRIOR WRITTEN CONSENT OF HEWLETT-PACKARD CO.
50  FILES *,*
99  CHAIN "$EDITOR"
100  REM *ENTRY*
110  IF  ERROR  THEN 9998
120  ASSIGN U0$,C1,J, PR 
130  IF J THEN 9998
140  U0=V6=C0
145  D1=D
150  U1=C2
160  GOSUB 1000
165  W1=C0
170  A1$="EDIT00"
175  A1$[C7]=B0$
180  CHAIN J,A1$,100
190  GOTO 9998
1000  REMP >>ADD FROM<<
1005  GOTO 1200
1010  PRINT "'"A1$"' is an illegal line number."
1015  GOTO 1190
1020  PRINT "'"A1$"' is an illegal increment."
1025  GOTO 1190
1030  PRINT "Add will not replace or interleave lines."
1035  GOTO 1190
1040  PRINT "WORK file full, line not added."
1045  GOTO 1190
1050  PRINT "No line number or increment is permitted with numbered lines."
1055  GOTO 1190
1060  PRINT "Total length of line exceeds 255 characters.  Add terminated."
1065  GOTO 1190
1070  GOTO E OF 1040,1040,1030
1190  GOSUB 9700
1195  RETURN 
1200  REM2 *SYNTAX*
1205  FILES *
1210  G=A[C6]
1215  G1=A[C5]
1220  I=POS(A$,"FROM")
1225  A1$=A$[I+C4]
1230  W1$=A$[C1,I-C1]
1235  GOSUB 3400
1240  IF E THEN 1355
1245  IF H1=C2 THEN 1400
1250  A$=W1$
1255  IF  NOT LEN(A$) THEN 1295
1260  I=POS(A$,"BY")
1265  IF  NOT I THEN 1295
1270  A1$=A$[I+C2]
1275  A$=A$[C1,I-C1]
1280  GOSUB 6000
1285  IF  NOT F1 THEN 1020
1290  G=F1
1295  IF  NOT M5 AND  NOT LEN(A$) THEN 1500
1300  IF  NOT LEN(A$) THEN 1330
1305  A1$=A$
1310  GOSUB 6000
1315  IF  NOT F1 THEN 1010
1320  G1=F1
1325  GOTO 1500
1330  GOSUB 3600
1335  GOSUB 6200
1340  IF  NOT X9 THEN 1040
1345  G1=X9
1350  GOTO 1500
1355  RETURN 
1400  REM2 ** ADD# **
1403  IF LEN(W1$) THEN 1050
1406  H4=C1
1409  V0=C2
1412  GOSUB 4200
1415  IF V5=C1 THEN 1448
1418  X=G1=L
1421  GOSUB 7500
1424  IF L4 THEN 1451
1427  E=C0
1430  GOSUB 1600
1433  IF E THEN 1040
1436  P[C1]=L1
1439  P[C2]=A[C2]
1442  IF V5=C2 THEN 1448
1445  GOTO 1409
1448  RETURN 
1451  PRINT "Add will not replace ";
1454  X7=L
1457  GOSUB 2100
1460  IF V5=C3 THEN 1409
1463  RETURN 
1500  REM2 **ADD**
1503  W1$=""
1506  H4=C1
1509  E=C0
1512  X=G1
1515  GOSUB 7500
1518  IF L4 THEN 1030
1521  V0=C3
1524  GOSUB 4200
1527  IF V5=C1 THEN 1560
1530  IF A[C7] THEN 1539
1533  GOSUB 1600
1536  GOTO 1542
1539  GOSUB 1700
1542  IF E THEN 1070
1545  IF V5=C2 THEN 1560
1548  GOSUB 6200
1551  IF  NOT X9 THEN 1030
1554  G1=X9
1557  GOTO 1521
1560  RETURN 
1600  REM2 <ADD ONE>
1605  W1$=""
1610  IF LEN(A$) <= G8 THEN 1640
1615  PRINT "Warning: Text beyond RBOUND discarded in ";
1620  W$=A$[C1,G8]
1625  X7=L1
1630  GOSUB 2100
1635  GOTO 1650
1640  W$=A$
1645  REM2 <ADD LAST>
1650  B$=""
1655  GOSUB 5360
1660  X5=G1
1665  GOSUB 6500
1670  IF E THEN 1690
1675  GOSUB 2000
1680  P[C1]=L1
1685  P[C2]=A[C2]
1690  RETURN 
1700  REM2 <ADD AUTO>
1705  A1$=A$
1710  REM1 *LOOP*
1715  IF LEN(A1$)>G8 THEN 1735
1720  W1$=""
1725  W$=A1$
1730  GOTO 1740
1735  GOSUB 1900
1740  B$=""
1745  GOSUB 5360
1750  X5=G1
1755  GOSUB 6500
1760  IF E THEN 1810
1765  GOSUB 2000
1770  IF  NOT LEN(W1$) THEN 1810
1775  A1$=W1$
1780  W1$=""
1785  GOSUB 6200
1790  IF  NOT X9 THEN 1805
1795  G1=X9
1800  GOTO 1710
1805  E=C3
1810  RETURN 
1900  REM2 <BLAB>
1905  J=POS(A1$," ")
1910  IF  NOT J OR J>G8+C1 THEN 1945
1915  FOR I=G8+C1 TO J STEP -C1
1920  IF A1$[I,I]=" " THEN 1930
1925  NEXT I
1930  W1$=A1$[I+C1]
1935  W$=A1$[C1,I-C1]
1940  RETURN 
1945  W1$=A1$[G8+C1]
1950  W$=A1$[C1,G8]
1955  RETURN 
2000  REM2 <DISP LINE>
2005  IF  NOT V7 THEN 2045
2010  X7=G1
2015  GOSUB 9900
2020  P0$=V1$
2025  P0$[LEN(P0$)+C1]=" "
2030  W6=LEN(P0$)
2035  P0$[LEN(P0$)+C1]=B$[A[C2]]
2040  GOSUB 6400
2045  RETURN 
2100  REM2 <LINE #>
2105  GOSUB 9900
2110  A$=V1$
2115  GOSUB 9650
2120  GOSUB 9670
2125  PRINT "line "A$"."
2130  RETURN 
3300  REM <YES/NO>
3305  J=SYS(C3)
3310  PRINT P0$;
3315  LINPUT A$
3320  IF SYS(C3) THEN 3370
3322  IF  NOT LEN(A$) THEN 3380
3325  IF LEN(A$)<C4 THEN 3340
3330  PRINT "Response limited to YES (or return) or NO (or break)."
3335  GOTO 3310
3340  A1$=UOS$(A$)
3345  RESTORE 3350
3350  DATA 2,1,"YES",1,"NO"
3355  GOSUB 9300
3360  IF  NOT K2 THEN 3330
3365  RETURN 
3370  K2=C2
3375  RETURN 
3380  K2=C1
3385  RETURN 
3400  REM <FR PAR/CART>
3402  H1=C2
3404  H2=C1
3406  H3=1.E+06
3408  H=U3=C0
3410  A$=A1$
3412  J1=POS(A$,"(")
3414  IF J1 THEN 3418
3416  J1=LEN(A$)+C1
3418  J2=POS(A$,",")
3420  J6=C2
3422  IF J2 THEN 3428
3424  J2=LEN(A$)+C1
3426  J6=C1
3428  J3=J1 MIN J2
3430  IF J3 >= C2 AND J3 <= 12 THEN 3436
3432  PRINT "Missing or illegal file name."
3434  GOTO 3520
3436  F1$=A$[C1,J3-C1]
3438  IF F1$[C1,C1]#"#" THEN 3454
3440  IF V3#C2 THEN 3432
3442  IF F1$#"#TCL" THEN 3448
3444  U3=C1
3446  GOTO 3460
3448  IF F1$#"#TCR" THEN 3432
3450  U3=C2
3452  GOTO 3460
3454  IF F1$#U0$ THEN 3460
3456  PRINT "You can't use your Work file here."
3458  GOTO 3520
3460  IF V2=C1 THEN 3468
3462  IF F1$#U1$ THEN 3468
3464  PRINT "You can't use your USE file here."
3466  GOTO 3520
3468  GOTO SGN(J1-J2)+C2 OF 3470,3526,3508
3470  J4=POS(A$,":") MAX POS(A$,"/")
3472  J5=POS(A$,")")
3474  IF J1>J5 OR J5>J2 THEN 3518
3476  IF  NOT J4 THEN 3500
3478  IF J1>J4 OR J4>J5 THEN 3518
3480  A1$=A$[J1+C1,J4-C1]
3482  GOSUB J6 OF 6000,5900
3484  IF  NOT F1 THEN 3518
3486  H2=F1
3488  A1$=A$[J4+C1,J5-C1]
3490  GOSUB J6 OF 6000,5900
3492  IF  NOT F1 THEN 3518
3494  H3=F1
3496  IF H2>H3 THEN 3518
3498  GOTO 3508
3500  A1$=A$[J1+C1,J5-C1]
3502  GOSUB J6 OF 6000,5900
3504  IF  NOT F1 THEN 3518
3506  H2=H3=F1
3508  IF J6=C1 THEN 3526
3510  A1$=A$[J2+C1,LEN(A$)]
3512  IF  NOT LEN(A1$) THEN 3518
3514  A$="UNNUMBERED"
3516  IF A1$=A$[C1,LEN(A1$)] THEN 3524
3518  PRINT "Illegal format in specifying the FROM file."
3520  GOSUB 9700
3522  RETURN 
3524  H1=C3
3526  E=C0
3527  H=C1
3528  RETURN 
3600  REMP **FIND LAST LINE**
3602  X=M[M2,C1]
3604  GOSUB 7500
3606  X=N[N2,C1]
3608  GOSUB 7500
3610  X=L[L7]
3612  GOSUB 7500
3614  RETURN 
4200  REM <FR F/CART>
4201  IF H4=C2 THEN 4242
4202  J5=H2-C1
4203  IF  NOT U3 THEN 4223
4204  X6=U2=C0
4205  SYSTEM J,"ECHO-OFF"
4206  CONVERT U3 TO I$
4207  P0$='27"&p u0C"
4208  P0$[C4,C4]=I$
4209  PRINT P0$
4210  ENTER 255,J,A$
4211  IF A$[C1,C1]="S" THEN 4214
4212  PRINT "No tape in "F1$
4213  GOTO 4315
4214  IF V0=C2 THEN 4242
4215  FOR I=C1 TO J5
4216  GOSUB 4350
4217  IF V5=C0 THEN 4314
4218  IF V5=C1 THEN 4298
4219  IF SYS(C3) THEN 4315
4220  NEXT I
4221  X6=J5
4222  GOTO 4242
4223  A1$=F1$
4224  J3=C3
4225  J4=C1
4226  GOSUB 9500
4227  IF E THEN 4315
4228  X6=C0
4229  IF V0=C2 THEN 4241
4230  IF U2 THEN 4238
4231  IF  END #C3 THEN 4298
4232  IF  ERROR  THEN 4307
4233  FOR I=C1 TO J5
4234  LINPUT #C3;A$
4235  NEXT I
4236  IF  ERROR  THEN 9998
4237  GOTO 4240
4238  ADVANCE #C3;J5,J
4239  IF J THEN 4298
4240  X6=J5
4241  IF  END #C3 THEN 4298
4242  IF  NOT U3 THEN 4247
4243  GOSUB 4350
4244  IF  NOT V5 THEN 4314
4245  IF V5=C1 THEN 4316
4246  GOTO 4257
4247  IF U2 THEN 4253
4248  IF  ERROR  THEN 4307
4249  LINPUT #C3;A$
4250  J5=J5+C1
4251  IF  ERROR  THEN 9998
4252  GOTO 4257
4253  IF TYP(C3)#C1 THEN 4256
4254  READ #C3;I
4255  GOTO 4253
4256  READ #C3;A$
4257  IF SYS(C3) THEN 4316
4258  IF V0=C2 THEN 4262
4259  X6=X6+C1
4260  IF H4=C2 THEN 4295
4261  W1$=A$
4262  GOSUB 9650
4263  FOR J=C1 TO LEN(A$)
4264  J1=NUM(A$[J,J])
4265  IF J1<48 AND J1#46 OR J1>57 THEN 4267
4266  NEXT J
4267  A1$=A$[C1,J-C1]
4268  GOSUB 6000
4269  IF F1 THEN 4274
4270  IF V0=C3 THEN 4289
4271  IF H4=C1 AND  NOT U2 AND ((J5=C1 AND LEN(A$)<C7) OR (J5=C2 AND  NOT LEN(A$))) THEN 4248
4272  PRINT "Missing or illegal line number encountered in file "F1$"."
4273  GOTO 4315
4274  IF V0=C3 THEN 4281
4275  IF A[C1]=C3 THEN 4291
4276  IF J1=32 OR J1=58 THEN 4279
4277  A$=A$[J]
4278  GOTO 4291
4279  A$=A$[J+C1]
4280  GOTO 4291
4281  IF V2=C2 AND  NOT W1 THEN 4295
4282  PRINT "File "F1$" seems to have numbered lines."
4283  SYSTEM J,"ECHO-ON"
4284  P0$="Do you want to continue? "
4285  GOSUB 3300
4286  IF  NOT U3 THEN 4288
4287  SYSTEM J,"ECHO-OFF"
4288  GOTO K2 OF 4289,4316
4289  A$=W1$
4290  GOTO 4295
4291  IF F1>X6 THEN 4294
4292  PRINT "Line numbers out of sequence in file "F1$"."
4293  GOTO 4315
4294  L=X6=F1
4295  IF H4=C2 THEN 4304
4296  IF X6<H2 THEN 4242
4297  IF X6 <= H3 THEN 4300
4298  PRINT "No lines in range."
4299  GOTO 4315
4300  H4=C2
4301  IF U3 THEN 4305
4302  IF  END #C3 THEN 4316
4303  GOTO 4305
4304  IF X6>H3 THEN 4316
4305  GOSUB 9670
4306  IF LEN(A$) <= 94 THEN 4309
4307  PRINT "Warning: Input line truncated to 94 characters."
4308  A$=A$[C1,94]
4309  IF X6=H3 THEN 4312
4310  V5=C3
4311  RETURN 
4312  V5=C2
4313  GOTO 4317
4314  PRINT "Transmission error on file "F1$
4315  GOSUB 9700
4316  V5=C1
4317  SYSTEM J,"ECHO-ON"
4318  RETURN 
4350  REM2 <READ CART>
4352  V5=C3
4354  P0$='27"&p s0R"
4356  P0$[C4,C4]=I$
4358  PRINT P0$;
4360  ENTER 40,J,A$
4362  IF A$[C1,C1]#'30 THEN 4376
4364  PRINT '27"^"
4366  ENTER 12,J,A$
4368  IF NUM(A$[C5,C5])#48 THEN 4374
4370  V5=C1
4372  GOTO 4376
4374  V5=C0
4376  RETURN 
5300  REM <EXT>
5310  IF  NOT LEN(B$) OR LEN(B$)<A[C2] THEN 5340
5315  W$=B$[A[C2],A[C3] MIN LEN(B$)]
5325  FOR I=LEN(W$) TO C1 STEP -C1
5330  IF W$[I,I]#" " THEN 5350
5335  NEXT I
5340  W$=""
5345  RETURN 
5350  W$=W$[C1,I]
5355  RETURN 
5360  REM <REPL W$>
5365  IF LEN(B$)>A[C3] THEN 5385
5370  GOSUB 5325
5375  B$=B$[C1,A[C2]-C1]
5380  GOTO 5390
5385  W$[LEN(W$)+C1,G8]=""
5390  B$[A[C2],A[C2]+LEN(W$)-C1]=W$
5395  RETURN 
5900  REM <F#>
5910  FOR J7=C1 TO LEN(A1$)
5920  J8=NUM(A1$[J7,J7])
5930  IF J8<48 OR J8>57 THEN 5970
5940  NEXT J7
5950  CONVERT A1$ TO F1,6257
5960  RETURN 
5970  F1=C0
5980  RETURN 
6000  REM <L#>
6005  F1=POS(A1$,".")
6010  IF (A[C1]=C2 OR (A[C1]=C3 AND H)) AND F1 THEN 6050
6015  IF  NOT F1 THEN 6025
6020  IF LEN(A1$[F1])>C3+(A[C1]=C3) THEN 6050
6025  CONVERT A1$ TO F1,6383
6030  IF A[C1]=C3 AND H THEN 6040
6035  F1=INT(F1*100*(((A[C1]=C3)*D0) MAX C1)+.5)
6040  IF (A[C1]=C2 AND F1>999900.) OR F1>999999. OR F1 <= C0 THEN 6050
6045  RETURN 
6050  F1=C0
6055  RETURN 
6200  REM <CALC NXT LI>
6204  GOSUB 6300
6208  IF X9 THEN 6216
6212  X9=1.E+06
6216  IF L1+G >= X9 THEN 6228
6220  X9=L1+G
6224  RETURN 
6228  IF L1+1000 >= X9 OR A[C1]#C3 THEN 6240
6232  X9=L1+1000
6236  RETURN 
6240  IF L1+100 >= X9 THEN 6252
6244  X9=L1+100
6248  RETURN 
6252  IF A[C1]=C2 THEN 6280
6256  IF L1+D0 >= X9 THEN 6268
6260  X9=L1+D0
6264  RETURN 
6268  IF L1+C1 >= X9 THEN 6280
6272  X9=L1+C1
6276  RETURN 
6280  X9=C0
6284  RETURN 
6300  REM <NXT LI>
6305  IF L2=L7 THEN 6320
6310  X9=L[L2+C1]
6315  RETURN 
6320  IF N1=N2 THEN 6335
6325  X9=N[N1+C1,C1]
6330  RETURN 
6335  IF M1=M2 THEN 6350
6340  X9=M[M1+C1,C1]
6345  RETURN 
6350  X9=C0
6355  RETURN 
6400  REM <PRT P0$>
6410  I=C1
6420  J=A[C9] MIN LEN(P0$)
6430  PRINT P0$[I,J]
6440  I=J+C1
6450  IF  NOT LEN(P0$[I]) THEN 6490
6460  J=(I+A[C9]-W6-C1) MIN LEN(P0$)
6470  PRINT TAB(W6);P0$[I,J]
6480  GOTO 6440
6490  RETURN 
6500  REM <ADD LI>
6502  X=X5
6504  GOSUB 7500
6506  IF  NOT L4 THEN 6512
6508  E=C3
6510  RETURN 
6512  IF L7=C5 THEN 6566
6514  REM: ADD TO CURRENT RECORD
6516  IF L2#C4 THEN 6522
6518  P$=B$
6520  GOTO 6542
6522  P$=O$
6524  IF L2#C3 THEN 6530
6526  O$=B$
6528  GOTO 6542
6530  O$=N$
6532  IF L2#C2 THEN 6538
6534  N$=B$
6536  GOTO 6542
6538  N$=M$
6540  M$=B$
6542  FOR J=L7 TO L2 STEP -C1
6544  L[J+C1]=L[J]
6546  NEXT J
6548  L[L2+C1]=X5
6550  L1=X5
6552  L2=L2+C1
6554  L4=C1
6556  L7=L7+C1
6558  M5=M[64,C2]=M5+C1
6560  E=C0
6562  GOSUB 7800
6564  RETURN 
6566  IF N2#63 THEN 6576
6568  IF M2=63 THEN 6578
6570  GOSUB 7000
6572  J4=X4
6574  IF  NOT J4 THEN 6578
6576  IF M7 OR M8<M9 THEN 6582
6578  E=C2
6580  RETURN 
6582  IF L2>C2 THEN 6588
6584  J2=L2+C1
6586  GOTO 6592
6588  J2=L2
6590  REM: WRITE CURRENT RECORD
6592  READ #C1,L3
6594  UPDATE #C1;J2
6596  ADVANCE #C1;C2*L2,J
6598  IF L2>C2 THEN 6602
6600  PRINT #C1;X5,B$
6602  FOR J1=J2+C1 TO C5
6604  PRINT #C1;C0,""
6606  NEXT J1
6608  GOSUB 7000
6610  REM: WRITE NEW RECORD
6612  PRINT #C1,X4;C6-J2
6614  IF L2 <= C2 THEN 6618
6616  PRINT #C1;X5,B$
6618  FOR J=L2+C1 TO C5
6620  PRINT #C1;L[J]
6622  GOTO J-C1 OF 6624,6628,6632,6636,6638
6624  PRINT #C1;M$
6626  GOTO 6638
6628  PRINT #C1;N$
6630  GOTO 6638
6632  PRINT #C1;O$
6634  GOTO 6638
6636  PRINT #C1;P$
6638  NEXT J
6640  FOR J=C1 TO J2-C1
6642  PRINT #C1;C0,""
6644  NEXT J
6646  L1=X5
6648  IF L2>C2 THEN 6656
6650  L2=L2+C1
6652  J5=L[L2]
6654  GOTO 6662
6656  L2=C1
6658  L3=X4
6660  J5=X5
6662  L4=C1
6664  GOSUB 7700
6666  IF N2#63 THEN 6726
6668  REM: SPLIT INDEX BLOCK
6670  READ #C1,N3
6672  ADVANCE #C1;64,J
6674  MAT  READ #C1;N[31,C2]
6676  J6=N[C1,C1]
6678  MAT  PRINT #C1,J4;N
6680  MAT N=ZER[31,C2]
6682  MAT  PRINT #C1;N
6684  PRINT #C1;C0,C0,31,J4
6686  READ #C1,N3
6688  ADVANCE #C1;64,J
6690  MAT  PRINT #C1;N
6692  PRINT #1;32,N3
6694  REM: ADD ENTRY TO M()
6696  FOR J=M2 TO M1+C1 STEP -C1
6698  M[J+C1,C1]=M[J,C1]
6700  M[J+C1,C2]=M[J,C2]
6702  NEXT J
6704  M[M1+C1,C1]=J6
6706  M[M1+C1,C2]=J4
6708  M2=M[64,C1]=M2+C1
6710  IF N1>32 THEN 6716
6712  N2=32
6714  GOTO 6726
6716  N1=N1-32
6718  N2=31
6720  N3=J4
6722  M1=M1+C1
6724  REM: ADD ENTRY TO N[]
6726  READ #C1,N3
6728  ADVANCE #C1;C2*N1,J
6730  IF N1=62 THEN 6734
6732  MAT  READ #C1;N[62-N1,C2]
6734  READ #C1,N3
6736  ADVANCE #C1;C2*N1,J
6738  PRINT #C1;J5,X4
6740  IF N1=62 THEN 6744
6742  MAT  PRINT #C1;N
6744  PRINT #C1;N2+C1,N3
6746  MAT  READ #C1,N3;N[64,C2]
6748  N1=N1+(L2=C1)
6750  N2=N[64,C1]
6752  E=C0
6754  M5=M[64,C2]=M5+C1
6756  RETURN 
7000  REM <GET REC>
7005  IF M7 THEN 7045
7010  IF M8<M9 THEN 7025
7015  X4=C0
7020  RETURN 
7025  X4=M8=M8+C1
7030  IF M8=M9 THEN 7040
7035  PRINT #C1,M8+C1; END 
7040  RETURN 
7045  X4=M7
7050  READ #C1,M7;M7
7055  RETURN 
7200  REM <FIND LI>
7202  IF  NOT M5 THEN 7212
7204  GOTO X1+C3 OF 7216,7224,7238
7206  X=X1
7208  GOSUB 7500
7210  IF L4 THEN 7242
7212  E=C1
7214  RETURN 
7216  X=C0
7218  GOSUB 7500
7220  GOSUB 7400
7222  GOTO 7242
7224  X=M[M2,C1]
7226  GOSUB 7500
7228  X=N[N2,C1]
7230  GOSUB 7500
7232  X=L[L7]
7234  GOSUB 7500
7236  GOTO 7242
7238  X=P[C1]
7240  GOSUB 7500
7242  FOR J5=C1 TO ABS(X2)
7244  GOSUB (X2>C0)+C1 OF 7300,7400
7246  IF E THEN 7254
7248  NEXT J5
7250  GOSUB 7600
7252  E=C0
7254  RETURN 
7300  REM <RD PR L>
7304  IF L2=C1 THEN 7328
7308  IF  NOT L[L2-C1] THEN 7376
7312  L2=L2-C1
7316  L1=L[L2]
7320  E=C0
7324  RETURN 
7328  IF N1=C1 THEN 7340
7332  X=N[N1-C1,C1]
7336  GOTO 7356
7340  IF M1=C1 THEN 7376
7344  X=M[M1-C1,C1]
7348  GOSUB 7500
7352  X=N[N2,C1]
7356  GOSUB 7500
7360  L1=L[L7]
7364  L2=L7
7368  E=C0
7372  RETURN 
7376  E=C1
7380  RETURN 
7400  REM <RD NEXT LI>
7405  IF L2=L7 THEN 7430
7410  L2=L2+C1
7415  L1=L[L2]
7420  E=C0
7425  RETURN 
7430  IF N1=N2 THEN 7445
7435  X=N[N1+C1,C1]
7440  GOTO 7455
7445  IF M1=M2 THEN 7470
7450  X=M[M1+C1,C1]
7455  GOSUB 7500
7460  E=C0
7465  RETURN 
7470  E=C1
7475  RETURN 
7500  REM <RD DIR>
7502  IF X >= L[C1] AND X <= L[L7] THEN 7554
7504  IF X >= N[C1,C1] AND X <= N[N2,C1] THEN 7532
7506  I1=C1
7508  I2=M2+C1
7510  M1=INT((I1+I2)/C2)
7512  GOTO SGN(X-M[M1,C1])+C2 OF 7514,7524,7518
7514  I2=M1
7516  GOTO 7510
7518  IF I2-M1=C1 THEN 7524
7520  I1=M1
7522  GOTO 7510
7524  IF M[M1,C2]=N3 THEN 7532
7526  N3=M[M1,C2]
7528  MAT  READ #C1,N3;N[64,C2]
7530  N2=N[64,C1]
7532  I1=C1
7534  I2=N2+C1
7536  N1=INT((I1+I2)/C2)
7538  GOTO SGN(X-N[N1,C1])+C2 OF 7540,7550,7544
7540  I2=N1
7542  GOTO 7536
7544  IF I2-N1=C1 THEN 7550
7546  I1=N1
7548  GOTO 7536
7550  L3=N[N1,C2]
7552  GOSUB 7700
7554  L1=X
7556  FOR L2=C1 TO L7
7558  GOTO SGN(X-L[L2])+C2 OF 7562,7568,7560
7560  NEXT L2
7562  L2=L2-C1
7564  L4=C0
7566  RETURN 
7568  L4=C1
7570  RETURN 
7600  REM <GET B$>
7605  GOTO L2 OF 7610,7620,7630,7640,7650
7610  B$=L$
7615  RETURN 
7620  B$=M$
7625  RETURN 
7630  B$=N$
7635  RETURN 
7640  B$=O$
7645  RETURN 
7650  B$=P$
7655  RETURN 
7700  REM <RD REC>
7710  READ #1,L3;L7,L[C1],L$,L[C2],M$,L[C3],N$,L[C4],O$,L[C5],P$
7720  RETURN 
7800  REM <WR REC>
7810  PRINT #1,L3;L7,L[C1],L$,L[C2],M$,L[C3],N$,L[C4],O$,L[C5],P$
7820  RETURN 
9300  REM <KEY>
9310  READ J
9320  FOR K2=C1 TO J
9330  READ J1,K1$
9340  IF LEN(A1$)<J1 THEN 9360
9350  IF A1$=K1$[C1,LEN(A1$)] THEN 9380
9360  NEXT K2
9370  K2=C0
9380  RETURN 
9500  REM <ASSN>
9504  ASSIGN A1$,J3,J, PR 
9508  GOTO J+C1 OF 9564,9512,9512,9524,9998,9998,9532,9532,9540
9512  IF J4=C1 THEN 9564
9516  PRINT "File "A1$" is not available for writing."
9520  GOTO 9548
9524  PRINT "File "A1$" does not exist, or is not accessible."
9528  GOTO 9548
9532  PRINT "File "A1$" is in use by someone else."
9536  GOTO 9548
9540  IF J4=C2 THEN 9564
9544  PRINT "File "A1$" is not available for reading."
9548  GOSUB 9700
9552  RETURN 
9564  IF  ERROR  THEN 9584
9568  READ #J3,C1
9572  IF  ERROR  THEN 9998
9576  U2=C1
9580  GOTO 9592
9584  IF  ERROR  THEN 9998
9588  U2=C0
9592  E=C0
9596  RETURN 
9650  REM <TLEB>
9652  FOR J=C1 TO LEN(A$)
9654  IF A$[J,J]#" " THEN 9658
9656  NEXT J
9658  A$=A$[J,LEN(A$)]
9660  RETURN 
9670  REM <TTB>
9672  FOR J=LEN(A$) TO C1 STEP -C1
9674  IF A$[J,J]#" " THEN 9678
9676  NEXT J
9678  A$=A$[C1,J]
9680  RETURN 
9700  REM <ERROR>
9710  E=C1
9720  Z$=""
9730  IF V2#C2 OR W1 THEN 9760
9740  PRINT "USE file abandoned."
9750  V0=V2=W3=C1
9760  RETURN 
9800  REM <GET NEXT STR>
9805  V0$=A$[C1,C1]
9810  IF V0$='34 THEN 9835
9815  IF V0$="@" THEN 9840
9820  PRINT "Missing or illegal string."
9825  GOSUB 9700
9830  RETURN 
9835  V4=C1
9840  J1=C2
9845  J2=POS(A$[J1],V0$)+J1-C1
9850  IF J2=J1-C1 THEN 9820
9855  IF A$[J2+C1,J2+C1]#V0$ THEN 9875
9860  A$[J2]=A$[J2+C1]
9865  J1=J2+C1
9870  GOTO 9845
9875  A1$=A$[C2,J2-C1]
9880  A$=A$[J2+C1,LEN(A$)]
9885  E=C0
9890  RETURN 
9900  REM <CON LI #>
9903  V1$="    "
9906  IF A[C1]=C3 THEN 9933
9909  J1=INT(X7/100)
9912  IF  NOT J1 THEN 9924
9915  CONVERT J1 TO V0$
9918  V1$[C5-LEN(V0$)]=V0$
9921  IF A[C1]=C2 THEN 9972
9924  V1$[C5]=".0"
9927  CONVERT X7-J1*100 TO V0$
9930  GOTO 9951
9933  J1=INT(X7/1000)
9936  IF  NOT J1 THEN 9945
9939  CONVERT J1 TO V0$
9942  V1$[C4-LEN(V0$)]=V0$
9945  V1$[C4]=".00"
9948  CONVERT X7-J1*1000 TO V0$
9951  V1$[C8-LEN(V0$)]=V0$
9954  FOR J1=C7 TO C1 STEP -C1
9957  IF V1$[J1,J1]#"0" THEN 9963
9960  NEXT J1
9963  IF V1$[J1,J1]#"." THEN 9969
9966  J1=J1-C1
9969  V1$[J1+C1,C7]=""
9972  RETURN 
9990  REM <ERR>
9991  M4=SYS(C0)
9992  N4=SYS(C1)
9993  A1$="EDIT31"
9994  A1$[C7]=B0$
9995  CHAIN J,A1$,100
9996  PRINT A1$" is missing.  ERROR"
9997  STOP 
9998  GOTO 9991
9999  END 
