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collapseos/blk/017
Virgil Dupras 2d9a07d215 blkunpack: don't include trailing empty lines
This was becoming heavy to manage.
2020-06-23 06:52:34 -04:00

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DOES>
Used inside a colon definition that itself uses CREATE, DOES>
transforms that newly created word into a "does cell", that is,
a regular cell (when called, puts the cell's addr on PS), but
right after that, it executes words that appear after the
DOES>.
"does cells" always allocate 4 bytes (2 for the cell, 2 for the
DOES> link) and there is no need for ALLOT in colon definition.
At compile time, colon definition stops processing words when
reaching the DOES>.
Example: ": CONSTANT CREATE HERE @ ! DOES> @ ;"