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Listing of file='@BACKUP' on disk='vmedia/mvp-boot-2.5.3.wvd.zip'

# Sector sector 204, program filename = '@BACKUP '
0010 REM % Prog = @BACKUP     By PLS     Date = 06/25/82    Time = 00.00.00 am
         Rel 2.4
0020 REM %VARIABLES
0030 DIM A1$3,A2$3,G$8,D1$60,O$50
0040 DIM K$1,A$(16,2)8,E$50,Q$1,Q1$1,U9$8,E$(2)120,E1$(32)1,D2$60,P$3,Q7$13,Q6
     $2,B$(8)1,C$1,N$5
0050 REM A$(-SECTOR BUFFER
   : REM A1$-INPUT ADDR
   : REM A2$-OUTPUT ADDR
   : REM D1$-BACKUP DESC.
0060 REM G$-DATE
   : REM O$-OPERATOR'S NAME
   : REM S2-# INPUT SECTORS
   : REM S0,M-PART OF ORIGINAL DISK CONTAINED IN THIS PLATTER
   : REM S9-START OUTPUT SECTOR OF CURRENT PLATTER
0070 REM S8-END OUTPUT DISK
   : REM N-# PLATTERS IN SET
   : REM N1-PLATTER #
0080 REM % MAIN LINE
0090 REM INIT
   : N1=1
   : B$()=HEX(8040201008040201)
   : A1$="D11"
   : A2$="D10"
   : G$="mm/dd/yy"
   : S1,S0=0
0100 REM %INPUT
0110 REM ATTRIBUTES
   : PRINT HEX(020D0C030F020402000F)
0120 PRINT HEX(060E);TAB(20);"***** BACKUP UTILITY *****";AT(23,0,79);"Press '
     FN' or 'TAB' to return to menu.";
0130 REM %ADDRS
0140 PRINT AT(2,0);
   : LINPUT "Input Address:     "-A1$
   : GOSUB '205(1,A1$)
   : IF Q$<>" "THEN 140
0150 PRINT AT(2,34);
   : LINPUT "Output Address:          ",-A2$
   : GOSUB '205(2,A2$)
   : IF Q$<>" "OR A2$=A1$THEN 150
   : SELECT #3<A2$>
0160 REM %DATE, DESC., OPERATOR'S NAME
0170 STR(G$,3,1),STR(G$,6,1)="/"
   : PRINT HEX(06);AT(4,0,160);
   : LINPUT "Today's Date is:   ",-G$
   : GOSUB '221(G$)
   : IF Q$<>" "THEN 170
   : G$=U9$
0180 PRINT AT(6,0);
   : LINPUT "Backup Description:",-D1$
0190 PRINT AT(8,0);
   : LINPUT "Operator's Name:   ",-O$
0200 REM %INPUT DISK
   : DATA LOAD BA T#1,(0)A$()
   : ERRORGOSUB '90(A1$)
   : $CLOSE#1
   : GOTO 200
0210 REM INDEX SECTORS
   : T0=VAL(STR(A$(),2,1))
   : REM CURRENT END
   : S2,S1=VAL(STR(A$(),3,2),2)-1
   : REM END OF DISK
   : S3=VAL(STR(A$(),5,2),2)-1
0220 REM OPTIONS
0230 PRINT AT(12,0,80);"Options: ";AT(13,0,80);"Current end (End of Catalogued
      Data) - ";S2;AT(14,0,80);"End of Catalogue Area (As specified in the Ind
     ex) - ";S3;
0240 PRINT HEX(06);AT(10,0);
   : CONVERT S2TO N$,(#####)
   : LINPUT "Copy starts at sector 0 and ends at sector:"-N$
   : CONVERT N$TO S2
   : ERRORGOTO 240
0250 IF INT(S2)<>S2OR S2<S1OR S2>2^16-1THEN 240
0260 IF S2<>S1AND S2<>S3THEN DATA LOAD BA T#1,(S2)A$()
   : ERRORGOTO 240
0280 REM %VERIFY INPUT INDEX
   : E$(),E1$()=ALL(00)
   : E1=0
   : PRINT AT(18,20);"Verifying input index";
0290 GOSUB '150(1,E1,T0-1)
   : IF E=0THEN 300
   : REM RECOVER BAD SECTOR
   : GOSUB '125
   : REM BAD SECTOR ON ENTRY
   : E1$()=E$()
   : E1=E
   : REM VERIFY NEXT RANGE
   : IF E1<=T0-1THEN 290
0300 E$()=ALL(00)
0310 REM %OUTPUT DISK
   : DATA LOAD BA T#2,(0)A$()
   : ERRORGOSUB '90(A2$)
   : $CLOSE#2
   : GOTO 310
0320 REM %OUTPUT DISK
   : REM INDEX SIZE
   : S5=VAL(STR(A$(),2))
   : REM CURRENT END
   : S6=VAL(STR(A$(),3,2),2)
   : REM PHYSICAL END
   : S7=VAL(STR(A$(),5,2),2)
0330 REM Figure out platter size. If not 1st diskette, skip routine.
   : IF N1>1THEN 360
0340 REM If formatted platter, default=3978. If scratched platter, default=No.
      indicated in catalog & warn if 'current end'<>index size(==> might be va
     lid data on platter)
0350 REM DEFAULT DISK SIZE
   : IF S5=0OR S5>S6+1OR S6>S7THEN S8=3874
   : ELSE S8=S7
0360 IF S6<=S5THEN 390
   : GOSUB '60
   : IF Q$<>" "THEN 310
0370 PRINT HEX(06);AT(12,0,320);HEX(0D0A);"Warning: The contents of the output
      platter will be replaced by the backup data. Your output platter seems t
     o contain valid data."
0380 PRINT AT(16,0,240);
   : K$="N"
   : LINPUT "Are you sure you want to use this platter? (If not, mount a new p
     latter)"-K$
   : ON POS("YyNn"=K$)GOTO 390,390,310,310
   : ELSE GOTO 380
0385 S8=S8+1
   : GOTO 420
0390 PRINT AT(12,0,400);AT(14,0);
   : REM % INITIALIZE OUTPUT DISK
   : IF N1>1THEN 440
   : REM %OUTPUT DISK SIZE
0420 PRINT HEX(06);AT(11,0);
   : CONVERT S8TO N$,(#####)
   : LINPUT "Number of sectors in Output Platter:       ",-N$
   : CONVERT N$TO S8
   : ERRORGOTO 420
0430 S8=S8-1
   : IF INT(S8)<>S8OR S8>2^16-1THEN 385
   : REM COMPARE AGAINST MIN # OF SECTORS NEEDED
   : IF S8-1<T0-INT(-S8/2000)+10THEN 385
   : DATA LOAD BA T#2,(S8)A$()
   : ERRORGOSUB '90(A2$)
   : GOTO 385
0440 REM SCRATCH OUTPUT
   : PRINT HEX(06);AT(18,20,);"Scratching output platter";
   : SCRATCH DISK T#2,LS=1,END =S8
   : ERRORGOSUB '90(A2$)
   : GOTO 440
0441 LIMITS T"@RECOVER",A,B,C,D
   : IF S8<B-A+T0-INT(-S8/2000)+11THEN 470
0450 REM TRY TO SAVE 'START'
   : PRINT AT(18,20,60);"Saving 'START'";
   : SAVE T#2,"START"1260,1280
   : ERRORREM
0460 REM TRY TO SAVE '@RECOVER'
   : PRINT AT(18,20,60);"SAVING '@RECOVER'";
   : MOVE T"@RECOVER"TO T#2,
   : ERRORREM
0470 REM CREATE & INIT '@BADSCTR'
   : PRINT AT(18,20,60);"Creating '@BADSCTR'";
   : GOSUB '160(3,-INT(-S8/2000)+2,"@BADSCTR",A2$)
   : FOR I=1TO -INT(-S8/2000)
   : DATA SAVE DC #3,E$()
   : NEXT I
   : DATA SAVE DC #3,END
   : DBACKSPACE #3, BEG
   : I1 = -1
0480 REM CREATE '@INDEX' (& RECOVER BAD SECTORS)
   : PRINT AT(18,20,60);"Creating '@INDEX'";
   : GOSUB '160(2,T0+2,"@INDEX",A2$)
   : REM START OUTPUT SECTOR
   : LIMITS T#2,"@INDEX",A,S9,C,C
   : S9=S9+3
0490 E$()=E1$()&ALL(00)
   : REM COPY INDEX
   : GOSUB '135(0,T0-1,A)
   : DSKIP #2,(T0)S
   : DATA SAVE DC #2,END
   : E$()=ALL(00)
0500 PRINT HEX(06);AT(15,0,240)
   : IF N1>1THEN 515
   : REM %CALC. OUTPUT PARAMETERS & DISPLAY TITLES
   : REM # PLATTERS NEEDED = (# INPUT SECTORS)/(AVAILABLE SPACE IN OUTPUT PLAT
     TER)
   : N=-INT(-S2/(S8-S9))
   : REM CREATE RND KEY
   : K=INT(RND(1)*1E6)
0510 REM DISPLAY LABEL
   : PRINT AT(4,34);"Backup Identification #: ";K;
0515 PRINT AT(12,0);"This is platter";TAB(20);" of";N;"which contains sectors"
     ;TAB(57);"through";
0520 REM CALC LAST SECTOR CONTAINED IN CURRENT PLATTER
   : M=MIN(S2,S0+S8-S9-3)
   : REM DISPLAY PLATTER # & SECTORS TO COPY
   : PRINT AT(12,17);N1;AT(12,50);S0;AT(12,64);M
0530 REM CREATE '@LABEL'
   : PRINT AT(18,20,60);"Creating '@LABEL'";
   : GOSUB '160(2,3,"@LABEL",A2$)
   : DATA SAVE DC #2,K,G$,D1$,O$,S2,N1,N,S0,M
   : DATA SAVE DC #2,END
0540 REM START & END SECTORS TO VERIFY
   : E1=S0
   : E2=MAX(INT((M-S0)/25),1)
   : E3=0
   : REM VERIFY CURRENT PORTION OF INPUT PLATTER
   : PRINT AT(18,20,70);"Verifying input data";
   : GOSUB '100(19,10,0)
0550 GOSUB '150(1,E1,MIN(E1+E2-1,M))
   : IF E=0THEN 560
   : GOSUB '125
   : E1=E
   : E3=E3+MAX(1,-INT(-25/MAX(1,(M-S0))))
   : GOTO 550
0560 REM GET NEXT 100 SECTORS
   : E1=MIN(E1+E2,M+1)
   : E3=E3+MAX(1,-INT(-25/MAX(1,(M-S0))))
   : REM DISPLAY % VERIFIED
   : GOSUB '100(19,10,MIN(4*E3,100))
   : PRINT AT(21,10);
   : IF E1<=MTHEN 550
0570 REM %BACKUP LOOP
   : REM CREATE '@DATA'
   : GOSUB '160(2,MIN(S8-S9,S2-S0+3),"@DATA",A2$)
   : REM INIT COPY PARAMETERS
   : E3=0
   : E1=S0
   : E4=S9+1
   : PRINT AT(18,20,60);"Copying Data";
   : GOSUB '100(19,10,0)
0580 REM COPY
   : GOSUB '135(E1,MIN(E1+E2-1,M),E4)
   : E3=E3+MAX(1,-INT(-25/MAX(1,(M-S0))))
   : E1=MIN(E1+E2,M+1)
   : E4=MIN(E4+E2,E4+M-S0+2)
   : GOSUB '100(19,10,MIN(4*E3,100))
   : IF E1<=MTHEN 580
0590 REM %SET END OF FILE
   : DSKIP #2,M-S0+1S
   : DATA SAVE DC #2,END
0600 REM INIT SECTOR COUNTER
   : E1,E3=0
   : E2=MAX(INT((M-S0+S9+2)/25),1)
   : GOSUB '100(19,10,0)
   : PRINT AT(18,20,60);"Verifying output data";
0610 REM %VERIFY LOOP (100 SECTORS/TIME)
   : GOSUB '150(2,E1,MIN(S8-2,E1+E2))
   : IF E=0THEN 620
   : PRINT HEX(06070E);AT(13,10);"Error in sector ";E-1;" in output platter, m
     ount a new one and"
   : PRINT "key RETURN";
   : LINPUT Q1$
   : GOTO 310
0620 REM E2=LAST SECTOR VERIFIED
   : E1=MIN(S8-1,E1+E2+1)
   : E3=MAX(E3+1,-INT(-E1*25/MAX(1,(M-S0+S9))))
   : GOSUB '100(19,10,MIN(4*E3,100))
   : IF E1<=MIN(S8-2,S9+S2-S0+2)THEN 610
0630 PRINT AT(18,20,60)
   : REM VERIFY DONE
   : I1=-1
   : REM REPORT BAD SECTORS
   : DATA LOAD DC OPEN T#2,"@BADSCTR"
0640 DATA LOAD DC #2,E$()
   : IF END THEN 670
   : I1=I1+1
   : B1=1
   : IF POS(E$()<>HEX(00))=0THEN 640
   : IF P$<>" "THEN 660
0650 PRINT AT(22,0,80);
   : LINPUT "ENTER PRINTER ADDRESS FOR LISTING OF BAD SECTORS"-P$
   : GOSUB '206(15,P$)
   : IF Q$<>" "THEN 650
   : PRINT HEX(0C);"PLATTER: ";A1$;" (";N1;"OF";N;")   DATE: ";G$;"   BACKUP I
     D:";K
   : PRINT
   : I1=0
0660 REM TRANSLATE BIT TO SECTOR ADDR & PRINT
   : SELECT PRINT <P$>
   : B5=POS(STR(E$())<>HEX(00))
   : IF B5=0THEN 640
   : GOSUB '145(B5,I1)
   : PRINT "ERROR IN SECTOR ";B6
   : IF B5>=240THEN 640
   : GOTO 660
0670 SELECT PRINT 005
   : PRINT AT(19,10,160);BOX(-1,-50);AT(19,0);
   : I1=-1
   : REM %OUTPUT PLATTER FULL OR BACKUP END
   : REM UPDATE START SECTOR
   : S0=M+1
   : N1=N1+1
   : IF S0>S2THEN 680
   : PRINT AT(22,0,80);"MOUNT PLATTER # ";N1;" AND KEY RETURN";
   : Q$=" "
   : LINPUT Q$
   : PRINT AT(22,0,80);
   : GOTO 310
0680 REM %BACKUP DONE
   : PRINT HEX(020D0C0F);AT(19,0,4*80);"END OF BACKUP";
0681 GOTO 9030
0690 REM %SUBROUTINES
0700 REM %DISPLAY ERR MSG
0710 DEFFN'90(STR(E$,,3))
   : E=ERR-1
   : RESTORE MAX(E,88)-87
   : READ STR(E$,4,47)
0720 PRINT HEX(07060E);AT(14,10);"ERROR ";STR(E$,4,1);E+1;" at address ";STR(E
     $,,3);AT(15,10);STR(E$,5,46);AT(16,10);
   : LINPUT "KEY RETURN",Q1$
   : Q$="I"
   : PRINT HEX(06);AT(14,0,);
   : RETURN
0730 REM %CHECK OUTPUT PLATTER
0740 DEFFN'60
   : Q$=" "
   : LIMITS T#2,"@LABEL",A,A,A,A
   : IF A<>2THEN RETURN
0750 DATA LOAD DC OPEN T#2,"@LABEL"
   : DATA LOAD DC #2,K2,U9$,D2$
   : ERRORGOSUB '90(A2$)
   : GOTO 750
0760 IF K2<>KOR N1<=1THEN RETURN
   : Q$="I"
   : PRINT AT(13,0);"Output platter contains a portion of current backup, moun
     t a new one and"
   : LINPUT "key RETURN"-Q1$
   : RETURN
0770 REM %SELECT/CHECK DISK ADDR & HOG DISK
0780 DEFFN'205(R,W3$)
   : Q$=" "
   : MAT SEARCH"310320330350360370B10B20B30B50B60B70D10D11D12D13D14D15D20D21D2
     2D23D24D25D30D31D32D33D34D35D50D51D52D53D54D55D60D61D62D63D64D65D70D71D72
     D73D74D75",=STR(W3$,,3)TO Q6$STEP 3
   : IF Q6$<>HEX(0000)THEN 800
   : Q$="I"
   : RETURN
0800 SELECT #R<W3$>
   : $OPEN 870,#R
   : ERRORGOSUB '90(W3$)
   : RETURN
0810 DATA LOAD BA T#R,(0)A$()
   : ERRORGOSUB '90(W3$)
0820 RETURN
0830 REM %SELECT/CHECK PRINT ADDR
0840 DEFFN'206(R,W3$)
   : Q$=" "
   : MAT SEARCH"00000501D204211212213214215216217",=STR(W3$,,3)TO Q6$STEP 3
   : IF Q6$<>HEX(0000)THEN 850
   : Q$="I"
   : RETURN
0850 SELECT #R<W3$>
   : $OPEN 870,#R
   : ERRORGOSUB '90(W3$)
   : Q$="I"
   : RETURN
0860 SELECT PRINT <W3$>
   : RETURN
0870 Q$="I"
   : PRINT AT(13,10,70);W3$;" is Hogged. Key RETURN to try again";
   : LINPUT Q1$
   : PRINT AT(13,10,70);
   : RETURN
0880 REM %CHECK DATE
0890 DEFFN'221(U9$)
   : Q$=" "
   : REM PAD SINGLE DIGITS WITH "0"
   : MAT COPY -STR(U9$,1,LEN(U9$))TO -U9$
   : IF STR(U9$,7,1)="/"THEN STR(U9$,1,7)=STR(U9$,2,6)&"0"
   : IF STR(U9$,4,1)="/"THEN STR(U9$,1,4)=STR(U9$,2,3)&"0"
   : IF STR(U9$,1,1)=" "THEN STR(U9$,1,1)="0"
0900 REM CHECK FORM
   : IF VERU9$,"##/##/##")<>8THEN 920
   : REM CHECK MO.
   : CONVERT STR(U9$,1,2)TO U0
   : IF U0<1OR U0>12THEN 920
   : REM CHECK YR.
   : CONVERT STR(U9$,7,2)TO U9
   : IF U9=0THEN 920
0910 REM DAYS/MO. (1 BYTE COUNT/MO.; ADJUST FEB. IF LEAP YR.)
   : Q7$=HEX(001F1C1F1E1F1E1F1F1E1F1E1F)
   : IF MOD(U9,4)=0THEN STR(Q7$,3,1)=HEX(1D)
   : REM CHECK DAYS
   : CONVERT STR(U9$,4,2)TO U6
   : IF U6>=1AND U6<=VAL(STR(Q7$,U0+1,1))THEN RETURN
0920 Q$="E"
   : RETURN
0930 REM %'100 -- Display Bar
   : REM Entry--
   : REM  R=row
   : REM  C=column
   : REM  P=% (call 1st with 0%)
   : REM
0940 DEFFN'100(Z,Z1,Z2)
   : Z2=INT(Z2)
   : PRINT HEX(0202020F06);
   : IF Z2<>0THEN 950
   : PRINT AT(Z,Z1,51);BOX(1,50);
   : P1=0
0950 ON SGN(Z2-P1)+2GOTO 960,1000,970
0960 P1=0
   : GOTO 980
0970 REM Fill
   : P1=P1+1
0980 IF P1<>1THEN 990
   : PRINT AT(Z,Z1+P1/2);HEX(EA);
   : GOTO 950
0990 IF MOD(P1,2)=0THEN PRINT AT(Z,Z1+P1/2);HEX(D5);
   : ELSE PRINT AT(Z,Z1+P1/2);HEX(FF);
   : GOTO 950
1000 PRINT HEX(020400000E0202000F);
   : RETURN
1010 REM %WRITE BAD SECTOR IN BIT MAP
1020 DEFFN'125
   : E$()=ALL(00)
   : DATA LOAD DC OPEN T#3,"@BADSCTR"
   : DSKIP #3,INT((E-S0-1)/1920)S
   : DATA LOAD DC #3,E$()
   : DBACKSPACE #3,1S
   : REM WRITE BIT
   : B5=MOD(INT((E-S0-1)/8),240)+1
   : B6=MOD(E-S0-1,8)+1
   : STR(E$(),B5,1)=OR B$(B6)
   : GOSUB '170
   : C8=C8+1
   : RETURN
1040 REM % READ BIT MAP, COPY GOOD SECTORS/REPLACE BAD WITH HEX(00)'S
1050 DEFFN'135(B2,B3,D1)
   : IF INT((B2-S0)/1920)=I1AND INT((B3-S0)/1920)=I1THEN 1070
1055 IF B3<=T0-1 THEN 1070
1060 DATA LOAD DC #3,E$()
   : IF END THEN 1090
   : I1=I1+1
1070 REM 1ST ACTIVE BYTE ON MAP
   : B5=POS(E$()<>HEX(00))
   : IF B5=0AND B3<=T0-1THEN 1090
   : IF B5=0 AND INT((B3-S0)/1920)=I1 THEN 1090
   : IF B5=0THEN 1060
   : REM BAD SECTOR FOUND
   : GOSUB '145(B5,I1)
   : IF B6<B2THEN 1070
   : IF B6>B3THEN 1090
   : IF B2<B6THEN GOSUB '140(B2,B6-1,D1)
1075 E=B6+1
   : GOSUB '180
   : IF Q$<>" "THEN A$()=ALL(00)
   : DATA SAVE BA T#2,(D1+B6-B2)A$()
   : IF Q$<>" "THEN 1080
   : DBACKSPACE #3,1S
   : DATA LOAD DC #3,E$()
   : GOSUB '145(B5,I1)
   : DBACKSPACE #3,1S
   : DATA SAVE DC #3,E$()
1080 D1=D1+B6-B2+1
   : B2=B6+1
   : GOTO 1070
1090 IF B2<=B3THEN GOSUB '140(B2,B3,D1)
   : RETURN
1100 REM %COPY
1110 DEFFN'140(C1,C2,C4)
   : COPY T#1,(C1,C2)TO T#2,(C4)
   : RETURN
1120 REM %VERIFY
1130 DEFFN'150(R,V1,V2)
   : VERIFY T#R,(V1,V2)E
   : RETURN
1140 REM %CREATE FILE
1150 DEFFN'160(R,F1,R$,W3$)
   : DATA SAVE DC OPEN T#R,(F1)R$
   : ERRORGOSUB '90(W3$)
   : GOTO 1150
1160 RETURN
1170 REM %CREATE BAD SECTOR INFO.
1180 DEFFN'170
   : DATA SAVE DC #3,E$()
   : DATA SAVE DC #3,END
   : E$()=ALL(00)
   : RETURN
1190 REM %READ BAD SECTOR
1200 DEFFN'180
   : Q$="E"
   : I=1
1210 DATA LOAD BA T#1,(E-1)A$()
   : ERRORI=I+1
   : IF I<=2THEN 1210
   : RETURN
1220 REM FLAG SECTOR RECOVERED
   : Q$=" "
   : RETURN
1230 REM %GET ADDR FROM BIT MAP
1240 DEFFN'145(B7,B8)
   : FOR I=1TO 8
   : C$=B$(I)AND STR(E$(),B7,1)
   : IF C$=HEX(00)THEN 1250
   : REM SECTOR ADDR
   : B6=S0+(B7-1)*8+I-1+B8*1920
   : STR(E$(),B7,1)=XOR B$(I)
   : I=8
1250 NEXT I
   : RETURN
1260 REM %START. 06/18/80. LOAD "@RECOVER"
1270 PRINT HEX(03060E);"LOADING - ";BOX(1,9);" @RECOVER";
1280 LOAD T"@RECOVER"
9000 REM %ERRORS
9010 DATA "PIllegal Device Address","IDisk Hardware Error","IDisk Hardware Err
     or","ITimeout Error","IDisk Format Error","IFormat Key Engaged","IDevice
     Error (Platter may be protected)","ICyclic Read Error"
9020 DATA "ILRC Error","IIllegal sector address or platter not mounted","IRead
      After Write Error"
9030 DEFFN '126
9040 DEFFN '127
9050 LOAD RUN