Listing of file='FILES.BAS;01' on disk='vmedia/ncc_17-sector.ccvf'
10 REM :@@@ FILES7 - BY HARLAN HOWARD 20 REM :@@@ - SUNNYVAL E, CA. 70 POKE 33289,80:REM @@@ SET LINE TO 80 CHARACTERS FOR PRINT ER. 80 CLEAR 640 90 DIM PO$(30),PH$(30) 92 DIM PO(30),PH(30) 95 DIM QO$(30),QH$(30) 97 DIM QO(30),QH(30) 100 PLOT 12,15,29,6,2 110 :::CC= 5:BB= 32:FF= 12:BF= 1 120 PRINT TAB( 6)" " 130 PRINT TAB( 6)" A PROGRAM TO EXPERIMENT WITH FILES " 140 PRINT TAB( 6)" " 150 PRINT :PRINT :PRINT " THIS PROGRAM SIMULATES A TYPICAL APPLICATION REQUIRING " 160 PRINT "RANDOM FILES. YOU MAY MODIFY IT TO MORE CLOSELY RESEMBLE" 170 PRINT "YOUR APPLICATION. " 180 PRINT :PRINT " IN ANSWERING THE FOLLOWING QUESTIONS YOU WILL BE DIMENSIONING " 190 PRINT " A FILE 'N' INSTRUCTION. THEN WHEN YOU 'CREATE A NEW FILE'," 200 PRINT " YOU MAY ACTUALLY TRY IT, OBSERVE THE ERRORS AND TRY ANOTHER " 210 PRINT " COMBINATION UNTIL IT WORKS. " 215 PRINT "THIS PROGRAM WILL ONLY ACCOMODATE 30 RECORDS OF 18 BYTES EACH " 217 PRINT "--OR 7 RECORDS OF 80 BYTES EACH-- ETC." 220 PRINT :PRINT "START SMALL, THEN WHEN IT WORKS, ADD SOME FOR SAFETY." 230 PRINT :PRINT "IF YOU PRESS 'RETURN'(OR ENTER 0 - ONLY), THE PROMPT WILL" 240 PRINT "DEFAULT TO USEABLE NUMBERS OR THE LAST NUMBERS ENTERED. " 250 PRINT :PRINT "FILE DIMENSIONS WILL NOT CHANGE UNTIL A NEW ONE IS CREATED." 255 PRINT "THE PROGRAM WILL RECYCLE UNTIL DOWN-ARROW (RETURN) IS PRESSED" 260 PRINT :PRINT "IF YOU SHOULD BREAK OUT OF THE PROGRAM TYPE'GOTO 210' " 265 PRINT "INSTEAD OF 'RUN' IN ORDER TO KEEP VARIABLES" 267 REM :@@@CLEAR VARIABLES WHEN RE- CYCLING: 270 :::FOR N= 1 TO X:PO$(N)= "":PH$(N)= "":NEXT :FILE "T",800 275 :::FOR N= 1 TO X:QO$(N)= "":QH$(N)= "":NEXT 277 :::R= 0 280 :::PRINT :PRINT :INPUT "READ FILE (1) OR WRITE NEW DATA (0)? OR MENU II (3)? ";Q1 285 IF Q1= 3 THEN GOSUB 1000 290 IF Q1> 1 THEN PLOT 28,11:GOTO 270 300 IF Q1= 1 THEN GOTO 650 310 :::INPUT "CREATE A NEW FILE (1) OR RUN THE SAME ONE AGAIN? (0)";FI 312 IF FI< 2 GOTO 315 313 PRINT " INVALID" 314 FOR T= 1 TO 2000:NEXT :PLOT 28,11,28,11:GOTO 310 315 IF FI= 0 THEN GOTO 450 320 PRINT :PRINT :INPUT "HOW MANY RECORDS ? ";Q 322 IF Q> 30 THEN PRINT "NO MORE THAN 30 PLEASE -":GOTO 332 325 IF Q< > 1 THEN GOTO 340 330 PRINT "NO LESS THAN 2 PLEASE -" 332 :::FOR T= 1 TO 1000 335 NEXT T:PLOT 28,11,28,11:GOTO 320 340 :::IF Q< > 0 THEN CC= Q 350 INPUT "HOW MANY BYTES PER RECORD? ";Q 352 IF Q < 80 THEN GOTO 360 353 PRINT " OUT OF RANGE " 354 FOR T= 1 TO 1000:NEXT :PLOT 28,11,28,11:GOTO 350 360 :::IF Q< > 0 THEN BB= Q 370 INPUT "BLOCKING FACTOR ? ";Q 380 :::IF Q< > 0 THEN FF= Q 390 IF FI = 1 THEN GOTO 410 400 GOTO 450 410 REM 420 PLOT 27,4:PRINT "DEL FILE.RND;01":PLOT 27,27 430 REM 440 PRINT "CREATING A NEW FILE.":FILE "N","FILE",CC,BB,FF 450 :::PLOT 12:INPUT "TYPE OF DATA - NUMBERS (0) OR STRINGS (1)";Q2 455 IF Q2 = 1 AND BB* CC > 540 THEN R= BB* CC:GOTO 553 460 :::FOR N= 1 TO CC- 1 470 IF Q2= 1 THEN GOTO 510 480 PRINT "INPUT NUMERICAL DATA FOR RECORD "N; 490 :::INPUT ": - 1ST PART OF RECORD ? ";PO(N) 500 :::INPUT ": - 2ND PART OF RECORD ? ";PH(N):GOTO 540 510 PRINT "INPUT STRING DATA FOR RECORD "N; 520 :::INPUT ": - 1ST PART OF RECORD ? ";PO$(N) 530 :::INPUT ": - 2ND PART OF RECORD ? ";PH$(N) 540 PLOT 12 542 NEXT N 544 :::FOR N= 1 TO CC :R= R+ (LEN (PO$(N)))+ (LEN (PH$(N))):NEXT N 550 REM 552 IF R < 600 GOTO 555 553 PRINT "OS ERROR IN 530" 554 PRINT "YOU ARE USING>";R" BYTES. INCREASE STRING ALLOCATION (LINE 80 & 552)":GOTO 270 555 IF Q2= 1 THEN PRINT :PRINT :PRINT "PUT1;PO$(N)["BB/ 2"],PH$(N)["BB/ 2"]" 557 IF Q2= 0 THEN PRINT :PRINT :PRINT "PUT1;PO(N),PH(N)" 560 FILE "R",1,"FILE",BF 570 REM 580 PUT 1;CC,Q2 590 :::FOR N= 1 TO CC- 1 600 IF Q2< > 1 THEN PUT 1;PO(N),PH(N):GOTO 620 610 PUT 1;PO$(N)[BB/ 2],PH$(N)[BB/ 2] 620 NEXT 630 FILE "C",1 640 GOTO 270 650 IF CC= 1 THEN JJ= 1:IF JJ= 1 THEN GOTO 670 660 PRINT :PRINT :PRINT "FILE 'N','FILE',"CC","BB","FF"":GOTO 680 670 PRINT "EXISTING FILE PARAMETERS UNKNOWN - CREATE A NEW ONE." 680 IF Q2= 1 THEN PRINT :PRINT :PRINT "GET 1;QO$(N)["BB/ 2"],QH$(N)["BB/ 2"]" 683 IF Q2= 0 THEN PRINT :PRINT :PRINT "GET1;QO(N),QH(N)" 685 FILE "R",1,"FILE",BF 690 GET 1;X,Q2 700 REM 710 :::FOR N= 1 TO X- 1 720 REM 730 IF Q2< > 1 THEN GET 1;QO(N),QH(N):GOTO 750 740 GET 1;QO$(N)[BB/ 2],QH$(N)[BB/ 2] 750 IF Q2< > 1 THEN PRINT N,QO(N),QH(N):GOTO 770 760 PRINT N,QO$(N),QH$(N) 770 NEXT 780 FILE "C",1 790 GOTO 270 800 PRINT :PRINT :PRINT "FILE 'N','FILE',"CC","BB","FF"" 810 PRINT "FILE 'T' ERROR:DISK FILE DIMENSIONS NOT CURRENT":FILE "C",1:GOTO 280 900 END 1000 PLOT 12:PRINT " MENU II " 1010 PRINT :PRINT "ADVANCED STUFF! ARE YOU SURE YOU ARE READY FOR THIS? " 1020 PRINT :PRINT "(1) - CHANGE NUMBER OF FILE BUFFERS ALLOCATED IN FILE 'R'" 1030 PRINT :PRINT "(2) RESERVED FOR FUTURE GOOD THINGS." 1040 PRINT :PRINT "(3) RESERVED FOR FUTURE GOOD THINGS." 1050 PRINT :PRINT "(4) RESERVED FOR FUTURE GOOD THINGS." 1100 PRINT :INPUT "CHOOSE ONE:";Q3 1120 ON Q3 GOTO 1200,1400,1500,1600 1200 PRINT :PRINT "CURRENTLY: FILE 'R',1,'FILE', "BF"" 1210 PRINT :INPUT "ENTER NUMBER DESIRED, 1 TO 8 ";BF 1215 IF BF = > 1 AND BF < 8 THEN PLOT 12:RETURN 1220 PRINT " OUT OF RANGE " 1230 FOR T= 1 TO 1000:NEXT :PLOT 28,11,28,11,28,11:GOTO 1210 1400 PLOT 12:PRINT "RESERVED FOR FUTURE GOOD THINGS." 1405 FOR T= 1 TO 2000:NEXT 1407 PLOT 12 1410 RETURN 1500 PLOT 12:PRINT "RESERVED FOR FUTURE GOOD THINGS." 1505 FOR T= 1 TO 2000:NEXT 1507 PLOT 12 1510 RETURN 1600 PLOT 12:PRINT "RESERVED FOR FUTURE GOOD THINGS." 1605 FOR T= 1 TO 2000:NEXT 1607 PLOT 12 1610 RETURN