The origin was explained to us as I described. As far as how back it goes
prior the timeframe I detailed, I am unable to say.
The instructor was a PhD, so I would not categorize him as uninformed.
In addition to the S/360 that we had at the university, we had an IBM 1620,
an IBM 709x (I don't re
I must really be getting old, because I actually remember the origin of the
convention.
The convention of "*-*" in a length field was based upon an interpretation
of the expression "{address-of-last-byte}-{address-of-first-byte}" which
calculates the "machine length" of the field, which is one les
Gary,
I discontinued the use of -
label DS 0H
in lieu of -
label DC 0H'0'
long ago.
As best as I can recall, there was a bug identified (subsequently corrected
(?)) where the buffer into which code was assembled was not always initialized
to zeroes, and it was possible to have
