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1991-09-07
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CC-DOS Kermit Distribution Notes, July 1991
Welcome to CC-DOS(/MS-DOS) Kermit !
I hope you would like this version of Kermit. First,a few words about the
program. Please read MSKERM.DOC and this will give you an idea of how this
version works. I have not edited that file, it is the MS-DOS distribution
version, but most of what it says still applies.
I translate the MS-DOS Kermit Version 2.32/A into a Chinese version which is
named as CC-DOS Kermit (CCKermit, the prompt is Kermit-CC) and can run under
either MS-DOS or CC-DOS (Chinese Code DOS). The CC-Kermit has such a feature
that when it runs under MS-DOS, it is completely the MS-Kermit 2.32, but when
it runs under CC-DOS, ALL messages on the display are Chinese and screen
display mode is also modified. So if you know little English, you can also
operate this Kermit successfully.
There are a lot of versions of CC-DOS, such as LIANXIAN, STCDOS, CCDOS213,
GWCDOS and so on, and among these versions many differences exist on screen
display mode.the CC-Kermit version 2.32 can properly run on most of CC-DOS
versions. In case you find it can't run on your machine, please tell me
immediately. I would like to help you and ,ake the program more satisfactory.
The file names of the source programs of the MS-Kermit 2.32 are renamed in
this version, cc*.* replased for ms*.*. In additional, I put the code segment
and data segment in a source file to two files, cc*.asm including code segment
and cc*.dat including data segment.
Original Name Distribution Name Comments
(MS*.*) (CC*.*)
MSSDEF.H CCSDEF.H
MSYIBM.ASM CCYIBM.ASM CCYIBM.DAT
MSSSER.ASM CCSSER.ASM CCSSER.DAT
MSSTER.ASM CCSTER.ASM CCSTER.DAT
MSSFIN.ASM CCSFIN.ASM
MSZIBM.ASM CCZIBM.ASM CCZIBM.DAT
MSSCOM.ASM CCSCOM.ASM CCSCOM.DAT
MSGIBM.ASM CCGIBM.ASM CCGIBM.DAT
MSSFIL.ASM CCSFIL.ASM CCSFIL.DAT
MSSSEN.ASM CCSSEN.ASM CCSSEN.DAT
MSSRCV.ASM CCSRCV.ASM CCSRCV.DAT
MSSSCP.ASM CCSSCP.ASM CCSSCP.DAT
MSUIBM.ASM CCUIBM.ASM CCUIBM.DAT
MSHKOS.ASM CCHKOS.ASM CCHKOS.DAT
MSSSET.ASM CCSSET.ASM CCSSET1.DAT CCSSET2.DAT
MSXIBM.ASM CCXIBM.ASM CCXIBM.DAT
MSSCMD.ASM CCSCMD.ASM CCSCMD.DAT
MSSKER.ASM CCSKER.ASM CCSKER.DAT
CCHKOS.ASM ; check DOS status
MSKERMIT.INI CCKERMIT.INI
MSKERMIT.EXE CCKERMIT.EXE
****PROBLEMS AND LIMITATIONS****
- The screen display size is adjusted under CC-DOS. As different CCDOS versions
have their different screen rows, such as 11 rows, 16 rows, 20 rows or 25
rows, The size of the screen message window is formalized into 11 rows when
SEND,RECEIVE, GET and SERVER commands are operated.
- The function of terminal emulating under CC-DOS is imperfect. Some control
keys probably cause screen disorder. I suggest you to use 'set terminal
vt102'.
- Use 'set key off' and 'set display 8' under CC-DOS. As a Chinese character
is represented in two 8-bit bytes, it is necessary to set 8-bit character
display and to read char through DOS function call, INT 21h.
- Limitation exists for different display adapters. As we know, there are many
kinds of display adapters, such as CGA, EGA, VGA, MDA, etc.
It is no problems when you run CC-Kermit under MS-DOS. Nevertheless problems
probably ocurr when it runs under CC-DOS. The reason is that Chinese
characters are displayed on the
screen as graphic mode, not char mode. So under CC-DOS any attempt to write
video buffer directly used in MS-Kermit will be failed. In Additional,
video buffer operation in BIOS is different to different adapters.When
the module "ccyibm.asm" is assembled, a MASM /D option "CGA" must be used
if you want to build a kermit.exe program running on a machine with a CGA
or MDA adapter under CC-DOS.
There are still things wrong in this version, but the list above should get
you started! If you find bugs, please contact with me. I am going to do my
best on this project as time permits.
Quanfang Zhang
Computer Network Research Lab
Dept. of Comp. Sc. & Eng.
Zhejiang University
Hangzhou 310027
P. R. China
Tel: (571)572244 ext 2400 or (571)761211
Email: BMAZUNET@ICA.BEIJING.CANET.CN