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- DC CRC v1.0 (1/25/91)
-
- DC CRC is Copyright (c) 1991 Double Click Software
-
- Program by Paul W. Lee and Michael B. Vederman
-
- DC CRC v1.0 is a FREEWARE program. A FREEWARE program is one which you may
- freely distribute, but you cannot charge for it or alter the program or
- contents of the archive in any manner. Double Click Software retains all
- copyright exclusive rights except exclusive distribution.
-
- ==============================================================================
-
- DC CRC will compute and record the CRC (ARC type) for any file.
-
- DC CRC allows you to add a file and its CRC, or compare a file's CRC with the
- CRC stored in the CRC master list.
-
-
- ==============
- Running DC CRC
- ==============
-
- >To run DC CRC, do this:
- ------------------------
-
- 1) Run DC_CRC.PRG from the desktop. You will be presented with an alert box
- asking you to ADD (a file), CHECK (a file) or QUIT (the program).
-
- 2) Choose the appropriate button.
-
- ===================
- Adding a File's CRC
- ===================
-
- >To add a file's CRC, follow these steps:
- -----------------------------------------
-
- 1) Run DC_CRC.PRG and choose ADD. You will be presented with a file
- selector.
-
- NOTE: The first time you choose this option, it will attempt to open
- the file FILES.CRC which should be located in the same folder as the
- DC CRC program. The file FILES.CRC contains the filename and CRC of
- the files you add to the list. If this file can't be opened, it will
- be created.
-
- 2) Locate and choose the file to add. The filename and CRC will be
- displayed at the top of the screen. The filename and CRC will be added
- to the master list, or if it already exists in the list, the entry
- will be updated.
-
- 3) You will be prompted again with the file selector. Repeat step #2 or
- click on CANCEL to return to the initial alert box.
-
-
- =====================
- Checking a File's CRC
- =====================
-
- >To check a file's CRC, follow these steps:
- -------------------------------------------
-
- 1) Run DC_CRC.PRG and choose CHECK. You will be presented with a file
- selector.
-
- NOTE: The first time you choose this option, it will attempt to open
- the file FILES.CRC which should be located in the same folder as the
- DC CRC program. The file FILES.CRC contains the filename and CRC of
- the files you add to the list. If this file can't be opened you will be
- returned to the initial alert box.
-
- 2) Locate and choose the file to check. The filename and CRC will be
- displayed at the top of the screen. If the file is located in FILES.CRC,
- the computed CRC will be checked against the one stored in the master
- list. If the CRC matches, DC CRC will say so. If there is a mismatch,
- DC CRC will also say so.
-
- NOTE: If the file is not already in the list, it will be added.
-
- 3) You will be prompted again with the file selector. Repeat step #2 or
- click on CANCEL to return to the initial alert box.
-
-
- ==========================
- The master list: FILES.CRC
- ==========================
- The master list, FILES.CRC, contains entries for all the files you add.
- This master list is used later when you want to confirm a files CRC as
- being the same when you initially recorded it.
-
- Each line in the list is formatted as follows:
-
- TESTNAME.PRG = ABCD
- ^ ^ ^^^ ^
- | | ||| |____ cr/lf
- | | |||________ 4 digit Hexadecimal CRC (uppercase letters)
- | | ||_________ one space
- | | |__________ equal sign
- | |____________ 2-13 spaces
- |________________________ filename
-
- Total line length is 22:
-
- 20 alphanumeric characters
- one carriage return
- one line feed
-
- 100% Assembly
-
- ==================
- COMMENTS WELCOME
- ==================
-
- As usual, we would be EXTREMELY glad to hear your comments and suggestions
- for enhancements to this and any of our other programs.
-
- - mike and paul
-
- We can be reached at:
-
- Voice: (713)977-6520
-
- Online:
-
- The DC BBS: (713)944-0108 / 300-1200-2400 baud / 24 hrs
- GEnie: DOUBLE-CLICK (CATegory 30)
- CompuServe: 75300,577 (go ATARIVendors, area 13)
- Usenet: uace0@menudo.uh.edu
-
-