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Add word TUCK

This commit is contained in:
Virgil Dupras 2020-05-22 14:17:38 -04:00
parent 41d439376d
commit bb190f9665
10 changed files with 11 additions and 11 deletions

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@ -7,10 +7,10 @@ NIP a b -- b
OVER a b -- a b a
ROT a b c -- b c a
SWAP a b -- b a
TUCK a b -- b a b
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.)
push it's making right now. (cont.)

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@ -3,7 +3,7 @@
BEGIN
C@+ ROT ( a2+1 c2 a1 ) C@+ ROT ( a2+1 a1+1 c1 c2 )
= NOT IF DROP FBUF THEN
SWAP OVER C@ 0xd = ( a1 a2 f1 )
TUCK C@ 0xd = ( a1 a2 f1 )
OVER BLK) = OR ( a1 a2 f1|f2 )
UNTIL
DUP BLK) < IF BLK( - FBUF + -^ EDPOS ! THEN

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@ -4,7 +4,7 @@
EDPOS @ 64 MOD 63 -^ ;
: _I
IBUF _type _rbufsz IBUF _blen 2DUP > IF
SWAP OVER - ( ilen chars-to-move )
TUCK - ( ilen chars-to-move )
SWAP EDPOS @ _cpos 2DUP + ( ctm ilen a a+ilen )
3 PICK MOVE- ( ctm ilen )
NIP ( ilen )

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@ -9,7 +9,7 @@
< IF ( under limit, do nothing )
NIP ( a )
ELSE ( o a )
SWAP OVER @ ( a o n )
TUCK @ ( a o n )
-^ ( a n-o )
OVER ! ( a )
THEN

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@ -3,7 +3,7 @@
: AMOVE
( u ) 0 DO
SWAP DUP I + A@ ( dst src x )
ROT SWAP OVER I + ( src dst x dst )
ROT TUCK I + ( src dst x dst )
A! ( src dst )
LOOP
2DROP

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@ -6,7 +6,8 @@
: =><= 2 PICK >= ( n l f ) ROT ROT >= AND ;
: MIN ( n n - n ) 2DUP > IF SWAP THEN DROP ;
: MAX ( n n - n ) 2DUP < IF SWAP THEN DROP ;
: NIP SWAP DROP ; : TUCK SWAP OVER ;
: C@+ ( a -- a+1 c ) DUP C@ SWAP 1+ SWAP ;
: C!+ ( c a -- a+1 ) SWAP OVER C! 1+ ;
: C!+ ( c a -- a+1 ) TUCK C! 1+ ;
: C@- ( a -- a-1 c ) DUP C@ SWAP 1- SWAP ;
: C!- ( c a -- a-1 ) SWAP OVER C! 1- ;
: C!- ( c a -- a-1 ) TUCK C! 1- ;

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@ -12,4 +12,3 @@
IF OVER C@ OR
ELSE 0xff XOR OVER C@ AND THEN ( addr flg )
SWAP C! ;
: NIP SWAP DROP ;

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@ -5,7 +5,7 @@
CURRENT @ 1-
DUP C@ 128 OR SWAP C! ;
: IMMED? 1- C@ 0x80 AND ;
: +! SWAP OVER @ + SWAP ! ;
: +! TUCK @ + SWAP ! ;
: -^ SWAP - ;
: / /MOD NIP ;
: MOD /MOD DROP ;

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@ -4,7 +4,7 @@
ROT C!+ ( a1+1 a2+1 )
LOOP 2DROP ;
: MOVE- ( a1 a2 u -- )
SWAP OVER + 1- ( a1 u a2+u-1 )
TUCK + 1- ( a1 u a2+u-1 )
ROT 2 PICK + 1- ( u a2+u-1 a1+u-1 )
ROT ( u ) 0 DO ( a2 a1 )
C@- ( a2 a1-1 x )

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