Bill asks:
> Do any of you know of a way using the original BASIC/3000 (not the Business
> Basic) of avoiding KSAMUTIL.PUB.SYS and Building (and later purging) a KSAM
> file?
>
> I don't think it is (reasonably) possible but thought I would put this to
> the collective wisdom...
The following code should fill the Bill. It builds and purges both CM and NM
KSAM files, based on the type of machine that the code is currently being run
on:
========================================
5490 REM *************************************************************
5500 REM
5510 REM Create the KSAM file definition
5520 REM
5530 REM *************************************************************
5540 IF F4=0 THEN DO [F4 = 0 ==> CM KSAM mode]
5550 SYSTEM Z,"PURGE "+DEB$(N$) <-- purge existing KSAM file
5560 SYSTEM Z,"PURGE "+DEB$(N$)+"K"
5570 DOEND
5580 K0$[1,255]=" "
5590 K0$[1,8]=DEB$(N$)+"K"
5600 K0$[9;4]='0'0'0'0
5610 K0$[13;8]="DISC"
5620 K0$[31;2]='0'2
5630 K1=K0
5640 IF K1>16 THEN K1=16
5650 K0$[33;2]='0+CHR$(K1)
5660 K2=1
5670 FOR Z=1 TO K1
5680 IF L0[Z,2]=0 THEN T1=1
5690 ELSE T1=5
5700 K0$[35+(Z-1)*8;2]=CHR$(T1*16)+CHR$(L0[Z,1])
5710 K2=L0[Z,3]
5720 K0$[37+(Z-1)*8;2]=CHR$(INT(K2/256))+CHR$(K2-INT(K2/256)*256)
5730 K0$[39+(Z-1)*8;2]='128'4
5740 K0$[41+(Z-1)*8;2]='0'128
5750 L0[Z,4]=1
5760 NEXT Z
5770 IF F4=0 THEN DO
5780 IF S5=0 THEN DO [S5 = size of KSAM to be built, in records]
5790 S5=ABS(INT(5L8/(F1*F6)))
5800 IF S5>32 THEN S5=32
5810 IF S5<1 THEN S5=1
5820 S5=F1*S5
5830 DOEND
5840 IF F[40]=0 THEN DO [F(40) = 0 --> classic HP3000; 1 --> RISC]
5850 CALL BUILDKSAM(N$,F5,FNM(2052),FNM(5),F6,K0$,S5,K8)
5860 DOEND
5870 ELSE DO
5880 CALL BUILDKSAM(N$,F5,FNM(6148),FNM(5),F6,K0$,S5,K8)
5890 DOEND
5900 DOEND
5910 ELSE DO
5920 IF F[40]=0 THEN DO
5930 CALL BUILDKSAM(N$,F5,FNM(2055),FNM(3),F6,K0$,F1,K8)
5940 DOEND
5950 ELSE DO
5960 CALL BUILDKSAM(N$,F5,FNM(6151),FNM(3),F6,K0$,F1,K8)
5970 DOEND
5980 DOEND
5990 IF K8>0 THEN DO
6000 CALL FERRORMSG(K8,I2$,K9)
6010 I2$="BUILDKSAM: "+I2$
6020 E=411
6030 GOTO 7930
6040 DOEND
6050 REM *************************************************************
========================================
The matching, necessary SPL routine (watch for email-imposed wraps):
========================================
518 <<******************************************************
519 *
520 * BUILDKSAM
521 *
522 * Routine to build a KSAM database from data supplied
523 *
524 ******************************************************>>
525 PROCEDURE
BUILDKSAM(FNAME,FNUM,FOPTS,AOPTS,RECSIZE,KPARMS,FSIZE,ERROR);
526 BYTE ARRAY FNAME;
527 BYTE ARRAY KPARMS;
528 INTEGER AOPTS,FOPTS,RECSIZE;
529 REAL FSIZE;
530 REAL ERROR;
531 INTEGER FNUM;
532 BEGIN
533 INTRINSIC FCHECK,FOPEN;
534 INTEGER ERRCODE;
535 DOUBLE FILESIZE;
536 ERROR:=0.0;
537 FILESIZE:=FIXT(FSIZE);
538 FNUM:=FOPEN(FNAME,FOPTS,AOPTS,RECSIZE,,KPARMS,,,,FILESIZE,32);
539 IF <> THEN BEGIN
540 FCHECK(,ERRCODE);
541 ERROR:=REAL(ERRCODE);
542 END;
543 END;
========================================
Wirt Atmar
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