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collapseos/blk/050
Virgil Dupras 5bf3baff05 editor: add edit buffer
Also, add word "C!+" and fix PSP leak in FILL.
2020-05-01 13:17:40 -04:00

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Memory
@ a -- n Set n to value at address a
! n a -- Store n in address a
? a -- Print value of addr a
+! n a -- Increase value of addr a by n
C@ a -- c Set c to byte at address a
C@+ a -- a+1 c Fetch c from a and inc a.
C! c a -- Store byte c in address a
C!+ c a -- a+1 Store byte c in a and inc a.
CURRENT -- a Set a to wordref of last added entry.
CURRENT* -- a A pointer to active CURRENT*. Useful
when we have multiple active dicts.
FILL a n b -- Fill n bytes at addr a with val b.
HERE -- a Push HERE's address
H@ -- a HERE @
(cont.)