Dec 112017
JModem 3.11y(f). Protocol driver w/full BCCMSC source.

Full Description of File

JMODEM 3.11y(f) an excellent DOS protocol
driver w/C source(tcc,bcc,msc). This
effort based on PD work by Richard B.
Johnson. Support invited for ongoing
development. ASM version is compatable.

File JMD311YF.ZIP from The Programmer’s Corner in
Category Recently Uploaded Files
JModem 3.11y(f). Protocol driver w/full BCCMSC source.
File Name File Size Zip Size Zip Type
CURRENT.DOC 5308 2396 deflated
FILE_ID.DIZ 201 165 deflated
JMODEM.EXE 15642 9469 deflated
JMODEM.H 26059 5235 deflated
JMODEM.RES 99 48 deflated
JMODEMTC.RSP 140 74 deflated
JMODEM_A.C 42067 8077 deflated
JMODEM_B.C 4720 1057 deflated
JMODEM_C.C 8115 1853 deflated
JMODEM_C.DOC 47428 13329 deflated
JMODEM_D.C 8585 1845 deflated
JMODEM_E.C 20401 4131 deflated
JMODEM_F.C 24202 4093 deflated
JMODEM_G.ASM 3190 1427 deflated
JMODMBCC.RSP 138 72 deflated
JM_311_X.DOC 303 212 deflated
JM_311_Y.DOC 356 230 deflated
JTIME.H 890 361 deflated
MAKEFILE.BCC 3314 948 deflated
MAKEFILE.MSC 2728 1085 deflated
MAKEFILE.TC 3233 906 deflated
SCREEN.H 5126 1063 deflated
SHOW.C 2138 770 deflated
SHOW.EXE 6488 4027 deflated
SHOW.MAK 411 270 deflated
SHOWBCC.MAK 366 250 deflated
SHOWTC.MAK 437 294 deflated
TEST.C 10413 2275 deflated
TEST.EXE 13566 8329 deflated
TEST.MAK 653 360 deflated
TESTBCC.MAK 565 359 deflated
TESTTC.MAK 566 359 deflated
TPCREAD.ME 199 165 deflated
UART.H 3885 869 deflated

Download File JMD311YF.ZIP Here

Contents of the CURRENT.DOC file

June 27, 1994 Jmodem 3.11x

NOTE: The files in this ZIP are tagged as 3:11 for identification and
do not reflect the actual dates of origin. The files as found
were dated: "2-2-92 9:03pm". (later versions from author would
be appreciated!).

1. This file represents some "mods" to the last found copy of JMODEM.
Richard B. Johnson is to be commended for his efforts to creat a
public domain protocol driver for DOS systems. Many hours of his
personal time went into this program w/o request for "$'s". JMODEM
works flawlessly when used in a valid and appropriate manner in a
BBS or with a comm program.

2. I intend to continue the effort and determine the "problems" with
the TC/BCC compiles.

3. JMODEM was and still is an excellent protocol driver that should NOT
"fall off the earth" from lack of support by the original author.

NOTE: I still feel the jmodem.asm effort was and is still a valid
approach. The 'C' version requires too much attention to
construct and compiler to produce a reasonably efficient jmodem.exe.

BTW: I invite and encourage criticism, support and feedback on this
protocol driver effort.

NEEDED: BBS to support 9600 - 14400 file transfer rates using version(s)
of JMODEM to allow interface test efforts. (if I currently had
a BBS it would support JMODEM as it did before).

July 1, 1994 Jmodem 3.11y

1. OOPS! The provided makefile.msc was faulty. (Fixed).

2. Added makefile.bcc and jmodmbcc.rsp.

3. The TC 2.01 version is still better than BCC 3.1, but neither is OK since
the "null pointer assignment" message is present in both.
- A difference in string handling between Borland and MicroSoft seems
to be the primary problem.

July 2, 1994 Jmodem 3.11y(a)

1. One null pointer assignment was caused by the misplacement of C0S.OBJ
in the xxx.rsp files for TC and BCC. C0s.obj MUST be the first file

2. Item #1 also cures other strange behavior.

3. Killed null pointer assignment caused by incorrect call to screen() on
exit. i.e. screen(SCR_END) now screen(SCR_END,NULL);

4. Added/changed #defines to allow TC 2.01, BCC 3.1 and MSC 6/7 compiles.
Added some "#ifdef __TSC__" to allow test compiles with TopSpeed 3.02
for code checks.

5. Renamed puts() to jputs() to avoid compiler confusion. Exe size
was NOT effected.

July 3, 1994 3.11y(b)

1. Added "FAST_AND_DIRTY" with DOIT_IN_C for interrupt. If defined
then the buffer overflow test is eliminated.

NOTE: If DOIT_IN_C is defined the jmodem.res or xxx.rsp must be changed
to NOT link jmodem_g.obj! Use DOIT_IN_C and/or FAST_AND_DIRTY
with care only on faaaast CPUs and 9600/14400 or slower bps

2. Killed attempts to encode() (compress) file being sent. Seldom effective
and adds overhead.

3. Reduced max send block size to 4096 bytes. Recieve still supports
blocks up to 8096 bytes.

4. Tuned some pragma to reduce size where speed not really needed.

5. Optimized calc_crc() a bit.

July 20, 1994 3.11y(c)

1. Further fine tuning for speed ( added static(s) ).

2. Minor change to makefile added -f- to compiler switches for BCC.

3. Adjusted show.c, show and showtc. Added showbcc.

4. Adjusted test.c, test and testtc. Added testbcc.

July 21, 1994 3.11y(d)

1. Corrected jmodem_e.c _enable/_disable definition test.
-Compiles with TC 2.01, BCC 3.1 or MSC 6/7 now ok.

2. Added -O2 to makefile.bcc.

3. now uses MASM instead of TASM to preclude differences
in jmodem_g.obj.

4. Changed jmodem_g.asm: added a "STI" to _com_int.

NOTE: Tasm does produce different output than Masm, which may not
matter in this case, but could cause side effects. Be careful
if using Tasm even with /jMASM51!

August 4, 1994 3.11y(e)

1. Display now reflects compiler used to make the running version.

2. Changes in makefile(s) for jmodem, test and show.

3. Added new cps calc scheme, uses jtime.h.

4. Files tagged 3:12 for id.

August 7, 1994 3.11y(f)

1. Improved display of bps. Since float NOT used the count is not
as accurate as possible, but much better than using a 1 second count.

2. Corrected problem when aborted receive via ^C or ^Break. (jmodem_c.c)
The target drive was currupted since file was not closed prior to
attempted delete.

3. Files tagged 3:13 for id.

NOTE: Hacker Heaven supports JMODEM and has current versions with
source available for download!

Hacker Heaven has a wealth of programs w/source for download!!
includes IBM emulators for Commodore 64,etc.... worth a look!!
L.B. Neal (dba: Cactus Software Systems)
Tucson, AZ

Contact points:

Cricket BBS (408)373-3773 lb neal
Hacker Heaven (408)375-5455 lb neal

 December 11, 2017  Add comments

Leave a Reply