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Add +!, -! and allot

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Koichi Nakamura 2021-01-02 02:44:57 +09:00
parent f2ce995009
commit 8fc41ad39f
1 changed files with 11 additions and 0 deletions
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11
core.fs
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@ -770,4 +770,15 @@ alias-builtin xor ^
Now we can use multiline comment with ( nests. ) Now we can use multiline comment with ( nests. )
) )
( === Memory Operation === )
: +! ( n a-addr -- ) tuck @ + swap ! ;
: -! ( n a-addr -- ) tuck @ - swap ! ;
\ allocate n bytes
: allot ( n -- c-addr )
here @ swap
here +!
;
bye bye