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Subject: Re: Why is Ada considered "too specialized" for scientific use
Date: Tue, 8 Jun 2010 00:30:09 +1000
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Date: 2010-06-08T00:30:09+10:00
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"Peter Flass" <Peter_Flass@Yahoo.com> wrote in message news:huiia5$2k1$1@news.eternal-september.org...

| If you want to talk *really* old assemblers, look at SOAP.  The hardware
| had no core, only drum memory, and each H/W instruction contained the
| drum address of the next instruction to be executed.  A big function of
| the assembler was figuring out where to store the instructions on the
| drum so that the next instruction was under the R/W head just as the
| previous finished executing -- based on the instruction timings.  Try
| doing that by hand for a large program!

That was done by hand for many early machines that relied on
mercury delay line (or nickel) memories.
Some of those progrems were gigantic.
Nevertheless, done in stages (building blocks)
it was managable.