jac@yoko.rutgers.edu (Jonathan A. Chandross) (05/02/91)
Submitted-by: Andy Tefft (art100@psuvm.psu.edu)
Posting-number: Volume 1, Source:30
Archive-name: archive/upaaf.bas
Architecture: ANY_2
Version-number: 1.00
Unpacker for AAF archives written in Basic.
Enjoy.
########################
4 LOMEM: 16384
5 IN$ = "X": REM must be first string assigned
10 TEXT : HOME
20 PRINT "AAF Unpacker, v1.0"
22 PRINT : PRINT "by Andy Tefft (art100@psuvm.psu.edu)"
24 PRINT : PRINT "This program is freeware. Do what you"
25 PRINT "want with it, but don't blame me if you"
26 PRINT "break it."
28 PRINT : PRINT "Notes (list program for more):"
30 PRINT : PRINT "1) When asked for a pathname, use"
32 PRINT " a full or partial pathname."
34 PRINT : PRINT "2) Type 'PR#3' before running to use"
36 PRINT " 80 columns."
38 PRINT : PRINT "3) Only minimal error checking is done."
40 PRINT : PRINT "4) Input and output volumes must both"
42 PRINT "be online."
44 PRINT : PRINT "Press a key to continue"
45 GET A$
50 REM ARCHIVE FORMAT:
55 REM
60 REM = filename : denotes output file name
70 REM - line : line of output file
80 REM + anything : end of file ("anything" ignored")
85 REM
86 REM all other lines echoed to screen
87 REM
90 REM because of the difficulty of editing text files
91 REM on the apple //, this program prompts for output
92 REM file names, so you can change them if desired.
93 REM
94 REM input anything routine is from an old dos 3.3
95 REM public-domain disk
96 REM
120 FOR R = 768 TO 788: READ X: POKE R,X: NEXT : REM input-anything
130 DATA 162,0,32,117,253,160,2,138,145,105,200,169,0,145,105,200
135 DATA 169,2,145,105,96
140 D$ = CHR$ (4)
145 DIM OU$(100)
150 PRINT D$"prefix": INPUT PR$
160 TEXT : HOME
165 PRINT "AAF Unpacker v1.0 Andy Tefft 11/21/90"
170 PRINT : PRINT "Prefix: "PR$
175 PRINT : PRINT "Enter archive pathname, ? for catalog,"
176 PRINT "/ to change prefix, return to exit."
180 POKE 34,7
190 PRINT
199 ONERR GOTO 2000
200 INPUT ": ";C$
205 IF C$ = "" THEN END
210 IF C$ < > "/" THEN 300
220 PRINT : INPUT "New prefix:";P$
230 PRINT D$"Prefix"P$
240 GOTO 150
300 IF C$ < > "?" THEN 400
310 PRINT D$"cat"
320 GOTO 190
400 PRINT : PRINT ">>> Opening "C$" for input."
405 POKE 34,4:II = 1
406 PRINT D$"verify"C$
407 II = 0
410 PRINT D$"open"C$
415 IL = 0
420 PRINT D$"read"C$
430 CALL 768:IN$ = MID$ (IN$,1)
440 IF LEFT$ (IN$,1) = "=" THEN 450
445 PRINT IN$: GOTO 430
450 OU$ = MID$ (IN$,2)
455 PRINT ">>> ";
460 PRINT "Opening "OU$" for output."
465 PRINT D$: REM stop taking input from file
470 PRINT "Press return to use this, enter a new"
472 PRINT "pathname for output, ? for catalog"
475 INPUT ": ";CC$
476 IF CC$ < > "?" THEN 480
477 PRINT "Path to catalog, return for current dir"
478 INPUT P$: PRINT D$"CAT"P$: GOTO 460
480 IF CC$ < > "" THEN OU$ = CC$
485 OO = 1
490 PRINT D$"open"OU$: PRINT D$"close"OU$: PRINT D$"delete"OU$
491 OO = 0
495 PRINT D$"read"C$
500 OL = 0
505 FI = 1: REM means we've started a file
510 CALL 768:IN$ = MID$ (IN$,1)
520 IF LEFT$ (IN$,1) = "-" THEN 530
521 IF LEFT$ (IN$,1) = "+" THEN 1000
525 PRINT IN$: GOTO 510
530 OL = OL + 1
535 VTAB PEEK (37)
540 OU$(OL) = MID$ (IN$,2)
550 IF OL < 100 GOTO 510
560 REM write 100 lines of output file
570 PRINT D$"open"OU$
580 PRINT D$"append"OU$
590 PRINT D$"write"OU$
600 FOR R = 1 TO 100
610 PRINT OU$(R)
620 NEXT
630 PRINT D$"close"OU$
640 GOTO 495
1000 PRINT D$"open"OU$
1010 PRINT D$"append"OU$
1020 PRINT D$"write"OU$
1030 FOR R = 1 TO OL
1040 PRINT OU$(R): NEXT
1050 PRINT D$"close"OU$
1060 PRINT : PRINT ">>> Finished "OU$
1065 FI = 0
1070 GOTO 420
1999 END
2000 Y = PEEK (222)
2001 PRINT
2005 IF Y = 6 THEN 2100
2010 IF Y = 5 THEN 2020
2015 PRINT "Error #"Y: PRINT D$"close": END
2020 PRINT D$"close": PRINT ">>> End of file encountered."
2030 IF FI = 1 THEN PRINT ">>> "OU$" may be incomplete."
2040 IF FI = 1 THEN PRINT "(no end of file marker found)"
2050 TEXT
2060 END
2100 IF OO = 1 THEN PRINT "Volume/directory not found.": GOTO 455
2110 IF II = 1 THEN PRINT "Input file not found.": GOTO 175