Gmail eats Python

Cameron Simpson cs at zip.com.au
Thu Jul 30 02:43:28 CEST 2015


On 29Jul2015 10:51, random832 at fastmail.us <random832 at fastmail.us> wrote:
>On Sun, Jul 26, 2015, at 07:48, Marko Rauhamaa wrote:
>> At first, there was only the machine language. Assembly languages
>> introduced "mnemonics" for the weaklings who couldn't remember the
>> opcodes by heart.
>
>To be fair, x86 is also a particularly terrible example of a machine
>language, from the perspective of someone imagining being expected to
>memorize it. Compare it with PDP-11, which had eight registers and eight
>addressing modes and a whole lot less to memorize (since each of these
>appears in every instruction as a single octal digit).

16 registers - you forget the alternate register set.

Since the UNIX V7 kernel code never made use of them we used to use them as a 
crude messaging system from user space, as what you put there sayed there, 
globally accessible by other users.

Cheers,
Cameron Simpson <cs at zip.com.au>

TeX: When you pronounce it correctly to your computer, the terminal may
     become slightly moist.     - D. E. Knuth.


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