In the beginning there was data. The data was without form and null,
and darkness was upon the face of the console; and the Spirit of IBM
was moving over the face of the market. And DEC said, "Let there be
registers"; and there were registers. And DEC saw that they carried;
and DEC separated the data from the instructions. DEC called the data
Stack, and the instructions they called Code. And there was evening
and there was morning, one interrupt ...
-- Rico Tudor