Newsgroups: comp.binaries.ibm.pc.d Path: utzoo!utgpu!cunews!bnrgate!bigsur!bcars53!mussar From: mussar@bcars53.uucp (G. Mussar) Subject: Re: RZSZ.TLB - CRC error? (VMS ZMODEM send/rcve prg & doc) Message-ID: <1990Nov21.214106.16781@bigsur.uucp> Sender: news@bigsur.uucp Organization: Bell-Northern Research, Ottawa, Canada References: <1990Nov20.214440.2631@ux1.cso.uiuc.edu> <40035@ut-emx.uucp> Date: Wed, 21 Nov 90 21:41:06 GMT In article <40035@ut-emx.uucp> churchh@ut-emx.uucp (Henry Churchyard) writes: > > In article , > w8sdz@WSMR-SIMTEL20.ARMY.MIL (Keith Petersen) writes: > > Chuck Forsberg's RZ/SZ (Zmodem) for VAX/VMS is available from > > SIMTEL20: > > > > pd3: > > RZSZ.TLB VMS ZMODEM send/rcve prg & doc (Text LIB file) >.... > I think there might be a problem with this program. I tried to SZ >the file VOL9N20.ZIP (a PC-Magazine file from SIMTEL20) from the VAX >to my PC, and the VAX program and the PC zmodem program disagreed >about the file's CRC. I used two versions of IBM-PC DSZ.COM program >(2/18/90 and 6/26/90), and put in and left out the -b option to VAX >SZ.EXE, and every time the result was the same: the 1024-byte block at >39936 would be transmitted 4 or 5 times with CRC error, then it would >drop down to 64-byte blocks, and the 64 bytes at 40064 would be >transmitted 15 times (!) with CRC error, and then the file transfer >would abort. There was nothing wrng with the line or the file (I >successfully transferred it with KERMIT). Did you use 8th bit quoting on your kermit transfer? Zmodem requires an 8 bit transparent path (except for a small number of chars). I had similar symptoms to yours when some of the communication path was trapping/eating a few extra control chars. (It might even be a particular sequence of chars that something on the comm path assumed would never occur and you have it in your file). I use rz/rz on my Sun work station and I have tried it on my wife's Apollo. Same program, same file, Apollo exhibits the bad CRC and the Sun works fine. Go figure. -- ------------------------------------------------------------------------------- Gary Mussar |Bitnet: mussar@bnr.ca | Phone: (613) 763-4937 BNR Ltd. | UUCP: ..uunet!bnrgate!bcars53!mussar | FAX: (613) 763-2626