collapseos/blk/046

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
PICK        Pick nth item from stack. "0 PICK" = DUP,
            "1 PICK" = OVER.
Make usage and dictionary documentation in-system 2020-04-15 00:04:09 +10:00			`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`
z80c: Add word "PICK" 2020-04-21 11:22:07 +10:00			`PICK Pick nth item from stack. "0 PICK" = DUP,`
			`"1 PICK" = OVER.`
tools: add blkunpack and remove cfspack, which will not ever be used again. 2020-04-17 09:44:17 +10:00