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collapseos/blk/046

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Parameter Stack
DROP a --
DUP a -- a a
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
2020-04-21 21:45:23 +10:00
'S Returns current stack pointer, not counting the
push it's making right now.
S0 Returns address of PSP TOS. When PSP is empty,
'S == S0
(cont.)