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15:34
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Q: C, recursion and the HP-1000

Ture PålssonWas there ever a C compiler for the HP-1000? If so, what did the code for function calls look like? In particular, how did it handle recursion? If I have properly understood the documentation I have found, the architecture did not have a dedicated stack register, and the jump-to-subroutine instru...

 
3 hours later…
18:10
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Q: What was the most complete encoding for English before Unicode?

LaurelAccording to the Unicode website: These earlier character encodings were limited and did not cover characters for all the world’s languages. Even for a single language like English, no single encoding covered all the letters, punctuation, and technical symbols in common use. Is it true that no ...

 
5 hours later…
23:23
0
Q: What was the maximum capacity of a magnetic bubble memory module?

NeppomukI've seen a handful of bubble memory modules from the 1980s (mostly made by HP and intended for laptop computers) on eBay, of which none exceeded 1 Mbit of storage capacity. There seem to have been add-on cards with up to four memory modules, which themselves were no bigger than 1 MBit. Have ther...


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