mirror of https://github.com/hsoft/collapseos.git
17 lines
459 B
Plaintext
17 lines
459 B
Plaintext
Parameter Stack
|
|
|
|
DROP a --
|
|
DUP a -- a a
|
|
?DUP DUP if a is nonzero
|
|
NIP a b -- b
|
|
OVER a b -- a b a
|
|
ROT a b c -- b c a
|
|
SWAP a b -- b a
|
|
2DROP a a --
|
|
2DUP a b -- a b a b
|
|
2OVER a b c d -- a b c d a b
|
|
2SWAP a b c d -- c d a b
|
|
'S Returns current stack pointer, not counting the
|
|
push it's making right now.
|
|
(cont.)
|