collapseos/blk/047
2020-05-22 14:19:02 -04:00

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S0 Returns address of PSP TOS. When PSP is empty,
'S == S0
PICK Pick nth item from stack. "0 PICK" = DUP,
"1 PICK" = OVER.
ROLL Rotate PSP over n items. "1 ROLL" = SWAP,
"2 ROLL" = ROT. 0 is noop.