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$,100
190  GOTO 9998
1000  REMP >>DELETE<<
1005  IF M5 THEN 1200
1010  PRINT "WORK file cleared."
1015  RETURN 
1020  PRINT "Missing or illegal rangelist."
1025  GOTO 1190
1030  PRINT "No lines in rangelist."
1190  GOSUB 9700
1195  RETURN 
1200  REM2 *DEL*
1205  F8=H=C0
1210  IF V0#C2 THEN 1400
1215  A1$="EDIT29"
1220  A1$[C7]=B0$
1225  CHAIN J,A1$,100
1230  GOTO 9998
1400  REM2 *NEXT RANGE*
1403  IF SYS(C3) THEN 1463
1406  F4=C2
1409  F0=F2=C0
1412  GOSUB 4400
1415  W1$=A$
1418  IF E=100 THEN 1472
1421  IF E THEN 1430
1424  IF F7 THEN 1800
1427  GOTO 1500
1430  A$=W1$
1433  IF  NOT LEN(A$) THEN 1445
1436  IF A$[C1,C1]#"," THEN 1020
1439  A$=A$[C2]
1442  GOTO 1406
1445  IF  NOT F8 THEN 1030
1448  IF V7 THEN 1472
1451  GOTO F8+C1 OF 1463,1469
1454  CONVERT F8 TO A1$
1457  PRINT A1$" lines deleted."
1460  RETURN 
1463  PRINT "No lines deleted."
1466  RETURN 
1469  PRINT "1 line deleted."
1472  RETURN 
1500  REMP *DEL RNG*
1505  P[C1]=X7=L1
1510  IF  NOT F0 THEN 1640
1515  GOSUB 7600
1520  W$=""
1525  P2=C1
1530  IF L1=B[C1] AND B[C3]#C1+(A[C1]=C3)*C7 THEN 1545
1535  IF L1=E[C1] AND E[C3]<LEN(B$) THEN 1565
1540  GOTO 1640
1545  W$=B$[C1,B[C3]-C1]
1550  P2=LEN(W$)+C1
1555  IF L1=E[C1] AND E[C3]<LEN(B$) THEN 1565
1560  GOTO 1570
1565  W$[LEN(W$)+C1]=B$[E[C3]+C1]
1570  A$=W$
1575  GOSUB 9670
1580  B$=A$
1585  F8=F8+C1
1590  GOSUB 6800
1595  B5=C0
1600  GOSUB V7 OF 1900
1605  IF SYS(C3) THEN 1690
1610  IF X7#E[C1] THEN 1625
1615  GOSUB 3700
1620  GOTO 1430
1625  X1=C0
1630  X2=C1
1635  GOTO 1675
1640  F8=F8+C1
1645  GOSUB 3800
1650  B5=C1
1655  GOSUB V7 OF 1900
1660  IF SYS(C3) THEN 1690
1665  IF X7=E[C1] THEN 1430
1670  X1=X2=C0
1675  GOSUB 7200
1680  IF E THEN 9998
1685  GOTO 1505
1690  IF V7 THEN 1720
1695  GOSUB 9900
1700  A$=V1$
1705  GOSUB 9650
1710  GOSUB 9670
1715  PRINT "Line "A$" was the last line deleted."
1720  RETURN 
1800  REM2 *DEL ALL*
1805  GOSUB 7900
1810  IF V2=C2 AND  NOT V7 THEN 1820
1815  PRINT "WORK file cleared."
1820  RETURN 
1900  REM2 <DISP LINE>
1905  GOSUB 9900
1910  P0$=V1$
1915  W6=LEN(P0$)+C1
1920  IF B5 THEN 1935
1925  P0$[LEN(P0$)+C1]="*"
1930  GOTO 1940
1935  P0$[LEN(P0$)+C1]=" "
1940  P0$[LEN(P0$)+C1]=B$[C1+(A[C1]=C3)*C6]
1945  GOSUB 6400
1950  RETURN 
3700  REM <PTR>
3705  P[C1]=L1
3710  P2=(P2+A[C2]-C1) MAX A[C2]
3715  IF P2 <= A[C3] THEN 3755
3720  GOSUB 6300
3725  IF  NOT X9 THEN 3745
3730  P[C1]=X9
3735  P[C2]=A[C2]
3740  RETURN 
3745  P[C2]=A[C3]
3750  RETURN 
3755  P[C2]=P2
3760  RETURN 
3800  REM <DEL LI>
3802  IF  NOT M5 THEN 3930
3804  M5=M[64,C2]=M5-C1
3806  GOSUB 6300
3808  IF  NOT X9 THEN 3816
3810  P[C1]=X9
3812  P[C2]=C1
3814  GOTO 3824
3816  GOSUB 7300
3818  P[C1]=L1
3820  P[C2]=A[C3]
3822  GOSUB 7400
3824  IF L7=C1 THEN 3872
3826  REM2 >1 LI IN REC
3828  GOTO L2 OF 3830,3834,3838,3842,3846
3830  L$=M$
3832  L[C1]=L[C2]
3834  M$=N$
3836  L[C2]=L[C3]
3838  N$=O$
3840  L[C3]=L[C4]
3842  O$=P$
3844  L[C4]=L[C5]
3846  P$=""
3848  L[C5]=C0
3850  IF L2#C1 THEN 3860
3852  N[N1,C1]=L[C1]
3854  MAT  PRINT #C1,N3;N
3856  IF N1#C1 THEN 3860
3858  M[M1,C1]=L[C1]
3860  L7=L7-C1
3862  GOSUB 7800
3864  L2=L2 MIN L7
3866  L1=L[L2]
3868  L4=C1
3870  RETURN 
3872  REM2 1 LI IN REC
3874  X3=L3
3876  GOSUB 7100
3878  IF N2=C1 THEN 3898
3880  FOR J=N1 TO N2-C1
3882  N[J,C1]=N[J+C1,C1]
3884  N[J,C2]=N[J+C1,C2]
3886  NEXT J
3888  N[N2,C1]=N[N2,C2]=C0
3890  N2=N[64,C1]=N2-C1
3892  MAT  PRINT #C1,N3;N
3894  M[M1,C1]=N[C1,C1]
3896  GOTO 3926
3898  REM2 REM N[] REC
3900  X3=N3
3902  GOSUB 7100
3904  FOR J=M1 TO M2-C1
3906  M[J,C1]=M[J+C1,C1]
3908  M[J,C2]=M[J+C1,C2]
3910  NEXT J
3912  M[M2,C1]=M[M2,C2]=C0
3914  M2=M[64,C1]=M2-C1
3916  IF M[M1,C2] THEN 3920
3918  M1=M1-C1
3920  MAT  READ #C1,M[M1,C2];N
3922  N2=N[64,C1]
3924  N3=N[64,C2]
3926  X=P[C1]
3928  GOSUB 7500
3930  RETURN 
4000  REM <RE E>
4005  X1=E[C1]
4010  X2=E[C2]
4015  IF X1=-C1 AND  NOT X2 THEN 4025
4020  F7=C0
4025  GOSUB 7200
4030  E[C2]=C0
4035  IF  NOT E THEN 4055
4040  IF  NOT L[L2] THEN 4065
4045  E[C2]=C1
4050  E=C0
4055  E[C1]=L[L2]
4060  RETURN 
4065  E=C1
4070  RETURN 
4100  REM <RE B>
4105  X1=B[C1]
4110  X2=B[C2]
4115  IF X1=-C2 AND  NOT X2 THEN 4125
4120  F7=C0
4125  GOSUB 7200
4130  B[C2]=C0
4135  IF  NOT E THEN 4155
4140  GOSUB 7400
4145  IF E THEN 4160
4150  B[C2]=C1
4155  B[C1]=L1
4160  RETURN 
4400  REM <RNG>
4401  F7=C1
4402  G6=P[C1]
4403  G7=P[C2]
4404  IF A$[C1,C1]#"A" THEN 4426
4405  GOSUB 5100
4406  RESTORE 4407
4407  DATA 1,1,"ALL"
4408  GOSUB 9300
4409  IF K2 THEN 4414
4410  PRINT "Illegal range"
4411  GOSUB 9700
4412  E=100
4413  GOTO 4494
4414  B[C1]=-C2
4416  E[C1]=-C1
4418  B[C2]=E[C2]=C0
4420  B[C3]=A[C2]
4422  E[C3]=A[C3]
4424  GOTO 4454
4426  GOSUB 4500
4427  IF E THEN 4498
4428  MAT B=Q
4429  I=NUM(A$)
4430  IF I#47 AND I#58 THEN 4474
4431  GOSUB 4100
4432  IF  NOT E THEN 4440
4433  I=POS(A$,",")
4434  IF I THEN 4437
4435  A$=""
4436  RETURN 
4437  A$=A$[I]
4438  RETURN 
4440  A$=A$[C2]
4441  I=NUM(A$)
4442  IF I#34 AND I#64 THEN 4446
4443  P[C1]=L1
4444  P[C2]=Q[C3]
4446  GOSUB 4500
4448  IF E THEN 4494
4450  MAT E=Q
4452  E[C3]=F5
4454  GOSUB 4000
4456  IF E THEN 4494
4458  X1=B[C1]
4460  X2=C0
4462  GOSUB 7200
4464  IF E THEN 4494
4466  B[C1]=L1
4468  IF B[C1]>E[C1] OR ((B[C1]=E[C1]) AND (B[C3]>E[C3])) THEN 4490
4470  IF E[C3]>A[C3] THEN 4410
4472  GOTO 4494
4474  F7=C0
4476  X1=B[C1]
4478  X2=B[C2]
4480  GOSUB 7200
4482  IF E THEN 4498
4484  B[C1]=E[C1]=L1
4486  E[C3]=F5
4488  GOTO 4470
4490  IF  NOT B[C2] OR  NOT E[C2] THEN 4410
4492  E=C1
4494  P[C1]=G6
4496  P[C2]=G7
4498  RETURN 
4500  REM <POS>
4502  MAT Q=ZER
4504  I=NUM(A$)
4506  IF I=34 OR I=64 THEN 4512
4508  GOSUB 4800
4510  GOTO 4515
4512  IF F2 THEN 4530
4513  F0=C1
4514  GOSUB 4900
4515  IF E THEN 4594
4516  I=NUM(A$)
4518  IF I#43 AND I#45 THEN 4526
4520  GOSUB 4700
4522  IF E THEN 4594
4523  Q[C2]=F1
4524  Q[C3]=A[C2]
4525  F5=A[C3]
4526  IF A$[C1,C1]#"(" THEN 4646
4528  IF  NOT F2 THEN 4534
4530  E=C6
4532  GOTO 4594
4534  X1=Q[C1]
4536  X2=Q[C2]
4537  F0=C1
4538  GOSUB 7200
4540  IF E THEN 4550
4542  Q[C1]=L1
4544  Q[C2]=C0
4546  GOSUB 5300
4548  GOTO 4554
4550  E=C5
4552  GOTO 4594
4554  A$=A$[C2]
4556  I=NUM(A$)
4558  IF I=34 OR I=64 THEN 4566
4562  GOSUB 5500
4564  GOTO 4568
4566  GOSUB 5600
4568  IF E THEN 4594
4570  I=NUM(A$)
4572  IF I#43 AND I#45 THEN 4580
4574  GOSUB 4700
4576  IF E THEN 4594
4578  Q[C3]=Q[C3]+F1
4579  F5=F5+F1
4580  IF Q[C3]<A[C2] OR Q[C3]>A[C3] THEN 4588
4582  IF A$[C1,C1]#")" THEN 4592
4584  A$=A$[C2]
4586  RETURN 
4588  E=C9
4590  GOTO 4594
4592  E=C7
4594  GOTO E OF 4644,4596,4600,4604,4608,4612,4616,4620,4626,4630,4630
4596  PRINT "Missing parameter";
4598  GOTO 4622
4600  PRINT "Illegal line specification"
4602  GOTO 4642
4604  PRINT "Illegal relative specification"
4606  GOTO 4642
4608  PRINT "Position not found"
4610  GOTO 4642
4612  PRINT "Column specification not permitted here."
4614  GOTO 4642
4616  PRINT "Illegal column specification"
4618  GOTO 4642
4620  PRINT "Null string not permitted";
4622  PRINT " in a position specification."
4624  GOTO 4642
4626  PRINT "Column ";Q[C3];"is out of bounds."
4628  GOTO 4642
4630  PRINT "'"A1$"' not found"
4642  GOSUB 9700
4644  E=100
4646  RETURN 
4700  REM <REL SPC>
4704  E=C0
4708  J1=C1
4712  IF A$[C1,C1]="+" THEN 4728
4716  IF Q[C1]=-C2 THEN 4768
4720  J1=-C1
4724  GOTO 4732
4728  IF Q[C1]=-C1 THEN 4768
4732  A$=A$[C2]
4736  GOSUB 5100
4740  IF J=43 OR J=45 THEN 4764
4744  IF  NOT LEN(A1$) THEN 4776
4748  IF POS(A1$,".") THEN 4768
4752  CONVERT A1$ TO F1,5861
4756  F1=F1*J1
4760  RETURN 
4764  A1$=A$[C1,C2]
4768  E=C4
4772  RETURN 
4776  E=C2
4780  RETURN 
4800  REM <REL L>
4805  E=C0
4810  GOSUB 5100
4815  IF J=41 THEN 4885
4820  IF  NOT LEN(A1$) THEN 4875
4825  I=NUM(A1$)
4830  IF I>47 AND I<58 OR I=46 THEN 4845
4835  GOSUB 5000
4840  RETURN 
4845  GOSUB 6000
4850  IF  NOT F1 THEN 4885
4855  Q[C1]=F1
4860  Q[C3]=A[C2]
4865  F5=A[C3]
4870  RETURN 
4875  E=C2
4880  RETURN 
4885  E=C3
4890  RETURN 
4900  REM <STR L>
4903  V4=F4
4906  GOSUB 9800
4909  IF E THEN 4969
4912  IF  NOT LEN(A1$) THEN 4972
4915  IF LEN(A1$)>G8 THEN 4978
4918  X1=X2=C0
4921  GOSUB 7200
4924  IF E THEN 4978
4927  W$=B$[A[C2],A[C3] MIN LEN(B$)]
4930  B6=((P[C2]-A[C2]+C2) MIN LEN(W$)) MAX C1
4933  GOSUB 5208
4936  IF F3 THEN 4957
4939  GOSUB 7400
4942  IF E OR SYS(C3) THEN 4978
4945  GOSUB 7600
4948  GOSUB 5300
4951  GOSUB 5200
4954  IF  NOT F3 THEN 4939
4957  Q[C1]=L1
4960  Q[C3]=F3
4963  F5=F3+LEN(A1$)-C1
4966  E=C0
4969  RETURN 
4972  E=C8
4975  RETURN 
4978  E=D0
4981  RETURN 
5000  REM <*FL>
5005  RESTORE 5010
5010  DATA 3,1,"*",1,"LAST",1,"FIRST"
5015  GOSUB 9300
5020  IF  NOT K2 THEN 5070
5025  Q[C2]=C0
5030  Q[C3]=A[C2]
5035  F5=A[C3]
5040  GOTO K2 OF 5045,5060,5060
5045  Q[C1]=P[C1]
5047  IF D#C7 AND D#C8 THEN 5055
5050  Q[C3]=F5=P[C2]
5055  RETURN 
5060  Q[C1]=-K2+C1
5065  RETURN 
5070  E=C4
5075  RETURN 
5100  REM <+-(),/:>
5110  FOR I=C1 TO LEN(A$)
5120  J=NUM(A$[I,I])
5130  IF J=40 OR J=41 OR (J>42 AND J<46) OR J=47 OR J=58 THEN 5150
5140  NEXT I
5150  A1$=A$[C1,I-C1]
5160  A$=A$[I]
5170  RETURN 
5200  REM <SRCH>
5204  B6=C1
5208  B7=LEN(W$)
5212  B8=C0
5216  IF LEN(W$)<B6 THEN 5288
5220  F3=POS(W$[B6,B7 MIN LEN(W$)],A1$)+B6-C1
5224  IF  NOT (F3-B6+C1) THEN 5288
5228  IF V4=C1 THEN 5256
5232  IF F3=C1 OR (F3=B6 AND  NOT B8) THEN 5244
5236  I=NUM(W$[F3-C1])
5240  IF (I>96 AND I<123) OR (I>64 AND I<91) OR (I>47 AND I<58) THEN 5264
5244  IF F3+LEN(A1$)>LEN(W$) OR (F3+LEN(A1$)>B7 AND  NOT B8) THEN 5256
5248  I=NUM(W$[F3+LEN(A1$)])
5252  IF (I>96 AND I<123) OR (I>64 AND I<91) OR (I>47 AND I<58) THEN 5264
5256  F3=F3+A[C2]-C1
5260  RETURN 
5264  F3=F3+C1
5268  I=POS(W$[F3,B7 MIN LEN(W$)],A1$)
5272  IF  NOT I THEN 5288
5276  F3=F3+I-C1
5280  B8=C1
5284  GOTO 5232
5288  F3=C0
5292  RETURN 
5300  REM <EXT>
5310  IF  NOT LEN(B$) 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$[C1,I]
5355  RETURN 
5400  REM <*FLLR>
5404  RESTORE 5408
5408  DATA 5,1,"*",2,"LAST",1,"FIRST",2,"LEFT",1,"RIGHT"
5412  GOSUB 9300
5416  GOTO K2 OF 5480,5452,5428,5464,5472
5420  E=C4
5424  RETURN 
5428  IF  NOT LEN(W$) THEN 5464
5432  FOR I=C1 TO LEN(W$)
5436  IF W$[I,I]#" " THEN 5444
5440  NEXT I
5444  Q[C3]=I+A[C2]-C1
5448  GOTO 5484
5452  IF  NOT LEN(W$) THEN 5464
5456  Q[C3]=LEN(W$)+A[C2]-C1
5460  GOTO 5484
5464  Q[C3]=A[C2]
5468  GOTO 5484
5472  Q[C3]=A[C3]
5476  GOTO 5484
5480  Q[C3]=P[C2]
5484  E=C0
5488  RETURN 
5500  REM <REL C>
5505  E=C0
5510  GOSUB 5100
5515  IF J=40 THEN 5575
5520  IF  NOT LEN(A1$) THEN 5565
5525  I=NUM(A1$)
5530  IF I>47 AND I<58 THEN 5545
5535  GOSUB 5400
5540  RETURN 
5545  GOSUB 5700
5550  IF  NOT F1 THEN 5575
5555  Q[C3]=F5=F1
5560  RETURN 
5565  E=C2
5570  RETURN 
5575  E=C7
5580  RETURN 
5600  REM <STR C>
5605  V4=F4
5610  GOSUB 9800
5615  IF E THEN 5670
5620  IF  NOT LEN(A1$) THEN 5665
5625  GOSUB 5200
5630  IF  NOT F3 THEN 5655
5635  Q[C3]=F3
5640  F5=F3+LEN(A1$)-C1
5645  E=C0
5650  RETURN 
5655  E=11
5660  RETURN 
5665  E=C8
5670  RETURN 
5700  REM <C#>
5710  IF  NOT LEN(A1$) OR LEN(A1$)>C2 THEN 5760
5720  CONVERT A1$ TO F1,7075
5730  IF F1<C1 THEN 5760
5740  IF F1>74+20*(A[C1]<C3) THEN 5760
5750  RETURN 
5760  F1=C0
5770  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 F1,7201
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 
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 
6800  REM <REPL LI>
6805  GOTO L2 OF 6810,6820,6830,6840,6850
6810  L$=B$
6815  GOTO 6855
6820  M$=B$
6825  GOTO 6855
6830  N$=B$
6835  GOTO 6855
6840  O$=B$
6845  GOTO 6855
6850  P$=B$
6855  GOSUB 7800
6860  RETURN 
7100  REM <ADD REC>
7110  PRINT #C1,X3;M7
7120  M7=X3
7130  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 
7900  REM <DEL ALL>
7904  MAT L=ZER
7908  MAT M=ZER
7912  MAT N=ZER
7916  MAT P=ZER
7920  L1=M5=M7=C0
7924  L2=L4=L7=M1=M2=M[64,C1]=N1=N2=N[64,C1]=C1
7928  L3=M8=N[C1,C2]=M3+C2
7932  M[C1,C2]=M3+C1
7936  N3=N[64,C2]=M3+C1
7940  L$="Dummy line 0"
7944  M$=""
7948  N$=""
7952  O$=""
7956  P$=""
7960  MAT  PRINT #C1,M3;M
7964  MAT  PRINT #C1,N3;N
7968  GOSUB 7800
7972  PRINT #C1,M3-C2;M7,M8,M9
7976  IF M9<M3+C3 THEN 7984
7980  PRINT #C1,M3+C3; END 
7984  RETURN 
9300  REM <KEY>
9310  READ J
9320  FOR K2=C1 TO J
9330  READ J1,K1$
9340  IF LEN(A1$)<J1 THEN 9360
9350  IF A1$=K1$[C1,LEN(A1$)] THEN 9380
9360  NEXT K2
9370  K2=C0
9380  RETURN 
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 
