[comp.sys.apple] Proterm ETC...

mattd@pnet01.cts.com (Matt Day) (09/10/89)

I've had problems with Zmodem with my ProTERM v2.1...I tried to DL some GIFs
from and IBM and it just messed up....
 
Sorry to be naive but:  What exactly it low-level formatting and what other
option(s) is(are) there?


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emerrill@tippy.uucp (09/11/89)

/* Written 11:02 pm  Sep  9, 1989 by mattd@pnet01.cts.com in tippy:apple */
>I've had problems with Zmodem with my ProTERM v2.1...I tried to DL 
>some GIFs from and IBM and it just messed up....

I've usually been able to d/l files from IBM boards correctly with zmodem
but some of them trash files that I try to upload with zmodem.  The send
itself seems to be fine, but after the upload, the file length is about
half of what it should be.  (I was u/l and d/l GIFs, too...)


  _________________________________________________________
 |                                                         |
 |  Eric Merrill  tippy!emerrill@newton.physics.purdue.edu |
 |                                                         |
 |   Disclaimer:                                           |
 |     If you think I'm serious, that's your problem!      |
 |_________________________________________________________|

king@ivory.UUCP (Steven King) (09/12/89)

> (Eric Merrill  tippy!emerrill@newton.physics.purdue.edu):
>I've usually been able to d/l files from IBM boards correctly with zmodem
>but some of them trash files that I try to upload with zmodem.  The send
>itself seems to be fine, but after the upload, the file length is about
>half of what it should be.  (I was u/l and d/l GIFs, too...)

This may be painfully obvious, but you may have overlooked it too.  ProDOS
blocks are 1/2K each.  That is, a 1K file will take 2 ProDOS blocks.  If you
upload a file that's 26 blocks, say, and the result reads as taking 13K on the
receiver's end, then that's perfectly normal and what you'd expect.  That MAY
account for the "half length" files.

The only problems I've had with Zmodem uploads using ProTerm was when I was
transfering files via a null modem to my Amiga.  I was transferring GIFs, but
when I displayed the files on the Amiga the scan lines were out of sync with
each other.  Sort of like a brick wall, where the bricks in each row are
staggered a bit rather than lining up directly with the bricks above and
beneath them.  Appending a linefeed to each perceived carriage return, maybe?
Using Ymodem the transfer went fine.  I haven't tried using ProTerm's Zmodem
for anything else, so that's about the extent of my experiences.

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