Stewart Stremler wrote:
We judge the x86 architecture by what we know now; not by what they knew
then.
No, there was plenty of judgement back then, too. Especially when we
got away from 8-bit computing.
I'm not convinced.
Remember that computer architecture was segmented into two camps.
Mainframe people scoffed at the silly microprocessor folks. Most of the
computer architecture knowledge was in the mainframe camp.
Motorola taking the time to create an open library of assembly code for
the 6800 (open source in the 70's!) and then analyzing that code to
inform their design decisions was considered a *huge* deal.
Mirabile dictu: Wikipedia knows all ...
http://en.wikipedia.org/wiki/Motorola_6809
The actual Byte articles about the 6809 design:
http://home.netcom.com/~tlindner/Download/Byte_6809_Articles.pdf
-a
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