Software for IBM 36030 was DOS360: Forty years 520
This somewhat reminds me (not surprisingly, I guess, considering the genealogy) of the Honeywell H-200. I think I still remember some of the commands to start a job .....
Seems like there was a STOP button and an INITIALIZE button on the control panel.....you pressed them together ???
Then you used the console keyboard to do the "IPL" by typing 'B' followed by a two digit octal device address and then a 6 digit octal memory address.
Then finally hitting the RUN button on the panel.
For example, to boot from tape, it was B 40 000000 twice (I think the first one effectively read-skipped the tape header record) since 40 was the device address of tape input.
To run a previously punched object deck for a COBOL progam, it was B 41 000317 (41 was the card reader). Not sure why the non-zero address, but I suspect that there was some sort of one-card loader at the front of each object deck which had to run at the higher address.
And to boot from the 'big' disk drive, it was B 44 000000 (44 being the disk drive).
IBM 360 channel buttignments was Software for IBM 36030
Recall that there are three hex digits in an I-O device address for the S-360...
There were obviously also other console keyboard commands besides "B" to display memory, alter it, etc.
I'm sure that there's an H-200 manual somewhere on Al Kossow's website which covers all of this and more. In fact, I think I've looked at it a while ago.
Software for IBM 36030 was DOS360: Forty years 521
50 years is not the original law, which goes back to 1790 in the U.S. From 1909 to 1962 copyright was 28 years, renewable...
Amazing what kind of stuff you remember.....
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