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Move a bunch of words from XPACKed core to xcomp core
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parent
74896051bb
commit
179c66be8a
16
blk/409
Normal file
16
blk/409
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@ -0,0 +1,16 @@
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( Words here until the end of the low part, unlike words
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preceeding them, aren't immediately needed for boot. But its
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better to have as many words as possible in the xcomp part. )
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: H@ HERE @ ;
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: IMMEDIATE
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CURRENT @ 1-
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DUP C@ 128 OR SWAP C! ;
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: IMMED? 1- C@ 0x80 AND ;
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: +! SWAP OVER @ + SWAP ! ;
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: -^ SWAP - ;
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: / /MOD SWAP DROP ;
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: MOD /MOD DROP ;
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: ALLOT HERE +! ;
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: CREATE (entry) 11 ( 11 == cellWord ) C, ;
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: VARIABLE CREATE 2 ALLOT ;
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: LEAVE R> R> DROP I 1- >R >R ;
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13
blk/410
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13
blk/410
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@ -0,0 +1,13 @@
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: '? WORD (find) ;
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: '
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'? (?br) [ 4 , ] EXIT
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LIT< (wnf) (find) DROP EXECUTE
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;
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: ROLL
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DUP NOT IF EXIT THEN
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1+ DUP PICK ( n val )
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SWAP 2 * (roll) ( val )
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SWAP DROP
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;
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: 2OVER 3 PICK 3 PICK ;
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: 2SWAP 3 ROLL 3 ROLL ;
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29
blk/412
29
blk/412
@ -1,16 +1,13 @@
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( Words here until the end of the low part, unlike words
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preceeding them, aren't immediately needed for boot. But its
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better to have as many words as possible in the xcomp part. )
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: H@ HERE @ ;
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: IMMEDIATE
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CURRENT @ 1-
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DUP C@ 128 OR SWAP C! ;
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: IMMED? 1- C@ 0x80 AND ;
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: +! SWAP OVER @ + SWAP ! ;
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: -^ SWAP - ;
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: / /MOD SWAP DROP ;
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: MOD /MOD DROP ;
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: ALLOT HERE +! ;
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: CREATE (entry) 11 ( 11 == cellWord ) C, ;
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: VARIABLE CREATE 2 ALLOT ;
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: LEAVE R> R> DROP I 1- >R >R ;
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: WORD(
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DUP 1- C@ ( name len field )
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127 AND ( 0x7f. remove IMMEDIATE flag )
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3 + ( fixed header len )
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-
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;
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: FORGET
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' DUP ( w w )
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( HERE must be at the end of prev's word, that is, at the
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beginning of w. )
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WORD( HERE ! ( w )
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PREV CURRENT !
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;
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26
blk/413
26
blk/413
@ -1,13 +1,15 @@
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: '? WORD (find) ;
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: '
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'? (?br) [ 4 , ] EXIT
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LIT< (wnf) (find) DROP EXECUTE
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: DOES>
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( Overwrite cellWord in CURRENT )
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( 43 == doesWord )
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43 CURRENT @ C!
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( When we have a DOES>, we forcefully place HERE to 4
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bytes after CURRENT. This allows a DOES word to use ","
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and "C," without messing everything up. )
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CURRENT @ 3 + HERE !
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( HERE points to where we should write R> )
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R> ,
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( We're done. Because we've popped RS, we'll exit parent
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definition )
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;
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: ROLL
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DUP NOT IF EXIT THEN
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1+ DUP PICK ( n val )
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SWAP 2 * (roll) ( val )
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SWAP DROP
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;
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: 2OVER 3 PICK 3 PICK ;
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: 2SWAP 3 ROLL 3 ROLL ;
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: CONSTANT CREATE , DOES> @ ;
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13
blk/415
13
blk/415
@ -1,13 +0,0 @@
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: WORD(
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DUP 1- C@ ( name len field )
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127 AND ( 0x7f. remove IMMEDIATE flag )
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3 + ( fixed header len )
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-
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;
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: FORGET
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' DUP ( w w )
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( HERE must be at the end of prev's word, that is, at the
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beginning of w. )
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WORD( HERE ! ( w )
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PREV CURRENT !
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;
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15
blk/444
15
blk/444
@ -1,15 +0,0 @@
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: DOES>
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( Overwrite cellWord in CURRENT )
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( 43 == doesWord )
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43 CURRENT @ C!
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( When we have a DOES>, we forcefully place HERE to 4
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bytes after CURRENT. This allows a DOES word to use ","
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and "C," without messing everything up. )
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CURRENT @ 3 + HERE !
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( HERE points to where we should write R> )
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R> ,
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( We're done. Because we've popped RS, we'll exit parent
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definition )
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;
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: CONSTANT CREATE , DOES> @ ;
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BIN
emul/forth.bin
BIN
emul/forth.bin
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