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 listReceived on 2017-10-06 10:03:33
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