Serial terminal help

Serial terminal help

[Pat Gilliland]

What I am trying to do is control a headless linux box using my 8088
laptop (ELKS 0.1.0) over a serial cable.

http://www.sorgonet.com/8086/8088_linux_dumb_terminal/  describes how to
do this using dos  and kermit terminal emulator on the 8088.  I have
done this proving the linux setup is good but I would much prefer an
ELKS solution for the laptop side.

I have sucessfully telnetted into the linux box using a SLIP connection
(thanks Harry) but I would prefer not to run telnetd or similar services
on the linux box. 

I suspect this should be simple to do but rtfm and google have just left
me confused.

Thanks for any help you can provide.

Pat Gilliland

Re: Serial terminal help

[Pat Gilliland]

Much appreciated.  Blaz suggested I do the same. (touche Blaz)

http://microcomLinux.homestead.com/index~ns4.html has a 27k emulator I
am trying to rework. Figuring out how/if bcc implements fd_set is my
main hold up but then I've only just started and I'm no programmer.  ;)

If I succeed, I'll post back to the list.


Pat Gilliland


Paul Nasrat wrote:
> 
> On Tue, Oct 08, 2002 at 09:01:02AM -0400, Pat Gilliland wrote:
> > What I am trying to do is control a headless linux box using my 8088
> > laptop (ELKS 0.1.0) over a serial cable.
> 
> > Thanks for any help you can provide.
> 
> Looks as if c-kermit should be compilable under bcc, I'll have an attempt
> to create the appropriate makefile entry, and any patches needed.
> 
> Paul

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Re: Serial terminal help

[Paul Nasrat]

On Thu, Oct 10, 2002 at 07:18:27AM -0400, Pat Gilliland wrote:
> Much appreciated.  Blaz suggested I do the same. (touche Blaz)
> 
> http://microcomLinux.homestead.com/index~ns4.html has a 27k emulator I
> am trying to rework. Figuring out how/if bcc implements fd_set is my
> main hold up but then I've only just started and I'm no programmer.  ;)

http://www.funet.fi/pub/minix/communications/

mcom1.5c.tar.Z will run on minix i86, so with a bit of makefile tweaking
and some #ifdef's or so we should be able to get it on elks.

I'm just playing with the makefile now.

Also gkermit compiles fine out of the box with make CC=bcc.  But can't
test this atm.

Paul

Re: Serial terminal help

[Jacek Lipkowski]

On Tue, 8 Oct 2002, Pat Gilliland wrote:

> http://www.sorgonet.com/8086/8088_linux_dumb_terminal/  describes how to
> do this using dos  and kermit terminal emulator on the 8088.  I have
> done this proving the linux setup is good but I would much prefer an
> ELKS solution for the laptop side.

you don't need a terminal emulator, just a a program to talk to the
serial port, since elks can do vt52 emulation well

> I suspect this should be simple to do but rtfm and google have just left
> me confused.

thats strange, enter +elks +serial +terminal into google :)

http://acid.ch.pw.edu.pl/~sq5bpf/elks/ has a serial terminal. use version
0.2 if you have a recent elks kernel with select(), or 0.1 if you don't.

jacek

assembling programs under as86..

[Seemanta Dutta]

greeting all linux gurus....

i am a newbie to as86 although i have extensively used masm for assembling 
8086 programs under linux....

i wrote a simple program like this..

! a simple as86 program..

.data
db	0x32 ! some data...

.text

foo:
	mov ax,0x1234
	mov bx,ax
	inc bx


this was all...when i assembled it i got no error but while linking..i got 
'unable to find start' error...

i am confused..even the man page does not clarify all things..
i have used masm..so is there any command line parameter that will switch 
as86 to masm like mode???

otherwise please tell me where is my mistake..please tell me what are the 
various steps to produce assemly programs under as86,.i know this is a 
very silly question to ask...but forgive me...i shall be ever be indebted 
to u for this....

a linux newbie, eager to learn...

seemanta

Re: assembling_programs_under_as86..

[tom potts]

http://www.tldp.org/HOWTO/Assembley-HOWTO/index.html
has an 'hello world'  in the index so that should get
you started.
Wrox 'Beginning Linux Programming' seems to be rather
good for all languages
Tom

--- Seemanta Dutta <seemanta@recjai.ac.in> wrote: >
greeting all linux gurus....
> 
> i am a newbie to as86 although i have extensively
> used masm for assembling 
> 8086 programs under linux....
> 
> i wrote a simple program like this..
> 
> ! a simple as86 program..
> 
> .data
> db	0x32 ! some data...
> 
> .text
> 
> foo:
> 	mov ax,0x1234
> 	mov bx,ax
> 	inc bx
> 
> 
> this was all...when i assembled it i got no error
> but while linking..i got 
> 'unable to find start' error...
> 
> i am confused..even the man page does not clarify
> all things..
> i have used masm..so is there any command line
> parameter that will switch 
> as86 to masm like mode???
> 
> otherwise please tell me where is my mistake..please
> tell me what are the 
> various steps to produce assemly programs under
> as86,.i know this is a 
> very silly question to ask...but forgive me...i
> shall be ever be indebted 
> to u for this....
> 
> a linux newbie, eager to learn...
> 
> seemanta
> 
> 
> -
> To unsubscribe from this list: send the line
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> the body of a message to majordomo@vger.kernel.org
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assembly under as86...

[Seemanta Dutta]

greetings all linux gurus....

i followed ur links given by u and would like to thank u for the help...
as for the book..i am still trying to get my hands over it...

at this stage i am able to assemble my as86 programs nicely..without ant
errors...but linking them with ld86 gives the following error:

no start symbol found

do i have to export or .global any label?? what is the default label for
as86 programs?? is not it _start??

i tried using that nad exporting it..but still that gave this error while
linking...

please help me with this linking part..i shall always be indebted to
you...otherwise using as and ld are going fine by me...what bugs me is
this as86 and ld86....please show me the way...

thanks in advance...
seemanta









-------------------------------------------------------------------------------
To iterate is human, to recurse divine.
					-Anonymous
-------------------------------------------------------------------------------

Re: assembly under as86...

[tom potts]

http://www.linux.org/docs/ldp/howto/Assembly-HOWTO/hello.html
will give you two examples - you will have to read
further into as86 documentaton to see the exact format
for as86 but

global _start 
_start:

whould be a close guess for the start label
The book I mentioned did not actually cover assemler
as it is Linux and not machine specific

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Re: Serial terminal help

[Pat Gilliland]

Well 2 emails to Jacek directly have failed after sitting for 4 days on
the server so I'll say it here.

Thanks very much for st it works very well except that all i/o appears
on one line.  e.g. "ls" will print everything on one line "vi xyz" will
print the whole file on one line in the vi window (most of the time,
once or twice it has seemed to work properly) BUT just "vi" will open
normally with the usual screen and allow normal full page editing.  I
suspect it's a problem with the terminal setup on the remote box rather
than st.  I will post back when I get it figured out.

Jacek Lipkowski wrote:
> 
> On Tue, 8 Oct 2002, Pat Gilliland wrote:
> 
> > http://www.sorgonet.com/8086/8088_linux_dumb_terminal/  describes how to
> > do this using dos  and kermit terminal emulator on the 8088.  I have
> > done this proving the linux setup is good but I would much prefer an
> > ELKS solution for the laptop side.
> 
> you don't need a terminal emulator, just a a program to talk to the
> serial port, since elks can do vt52 emulation well
> 
> > I suspect this should be simple to do but rtfm and google have just left
> > me confused.
> 
> thats strange, enter +elks +serial +terminal into google :)
> 
> http://acid.ch.pw.edu.pl/~sq5bpf/elks/ has a serial terminal. use version
> 0.2 if you have a recent elks kernel with select(), or 0.1 if you don't.
> 
> jacek
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-8086" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

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Contents of this message Copyright 2002 Patrick Gilliland