... 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 listReceived on 2017-10-06 10:03:18
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