Re: Software for MS-DOS 1.25

I have programs that work with dos 1 from the ibm pc, let me know how I can
help, I would need help using the file transfer program but I have a
working 8088 card with dos 1.25 I can use, attach b 128 via rs232 to ibm pc.

Bill Degnan
twitter: billdeg
vintagecomputer.net
On Oct 6, 2017 5:35 AM, "didier derny" <didier@aida.org> wrote:

> For the programs, perhaps some generic program for ibm pc / compaq  found
> on vetusware web sites...
>
> I saw dos 1.25 on commodore 700 but the 8088 card was barely booting then
> crashed...
>
>
> http://vetusware.com/
>
>
>
> Le 06/10/2017 à 11:26, Michał Pleban a écrit :
>
>> ... I meant the colon character ":" of course.
>>
>> Also, the program sends a character $16 and expects the sender side to
>> reply also with $16, only then the transmission can begin.
>>
>> Regards,
>> Michau.
>>
>> Michał Pleban wrote:
>>
>>> Hello!
>>>
>>> Not quite. The correct format is:
>>>
>>> * Semicolon character ":"
>>> * Two characters encoding one byte in hex, denoting the number of bytes
>>> to follow. Can be ether 00 (end of transmission) or 20 (transfer 32
>>> bytes). So the file can be only transferred in 32-byte chunks.
>>> * 32 hex bytes (data)
>>> * One hex byte, a checksum of the 32 data bytes.
>>>
>>> So it is similar to the Intel HEX format (code 83) except there is no
>>> address field, and the number of bytes per line is fixed at 32.
>>>
>>> Anyway, I can easily write a Perl program to send a file from the PC
>>> side. I just need the files to send ;-)
>>>
>>> Regards,
>>> Michau.
>>>
>>>
>>>
>>> didier derny wrote:
>>>
>>>> Hi
>>>>
>>>> perhaps mos technology format... (check code 81)
>>>>
>>>> ftp://ftp.dataio.com/main/manuals/unifam/translation%20formats.pdf
>>>>
>>>> if you need to encode /decode it  I have a source code  (6502 assembler)
>>>>
>>>>
>>>> Le 06/10/2017 à 10:44, Michał Pleban a écrit :
>>>>
>>>>> Hello!
>>>>>
>>>>> I have dug out my Commodore 710 with the 8088 card and booted MS-DOS
>>>>> 1.25 on it. It contains a program named RECV.EXE, which allows
>>>>> receiving
>>>>> files over the RS-232 connection. The program is not documented but
>>>>> after some debugging it turns out that it uses some simplified version
>>>>> of Intel HEX format to transfer the files.
>>>>>
>>>>> Now, I would like to download some software and try running it to see
>>>>> whether it works. But after browsing some software archives I can see
>>>>> that most DOS software is available for later versions of MS-DOS. Is
>>>>> there any place where I can find applications that would run under
>>>>> MS-DOS 1.25?
>>>>>
>>>>> Regards,
>>>>> Michau.
>>>>>
>>>>>          Message was sent through the cbm-hackers mailing list
>>>>>
>>>>        Message was sent through the cbm-hackers mailing list
>>>>
>>>>
>>>         Message was sent through the cbm-hackers mailing list
>>>
>>>
>>         Message was sent through the cbm-hackers mailing list
>>
>
>
>       Message was sent through the cbm-hackers mailing list
>


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