version 1.11, 1995/10/16 18:33:07
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version 1.24, 1997/05/29 19:42:13
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\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
\ EXTEND.FS CORE-EXT Word not fully tested! 12may93jaw |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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\ May be cross-compiled |
\ May be cross-compiled |
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decimal |
decimal |
Line 11 decimal
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Line 30 decimal
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\ VALUE 2>R 2R> 2R@ 17may93jaw |
\ VALUE 2>R 2R> 2R@ 17may93jaw |
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: value ( w -- ) \ core-ext |
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(constant) , ; |
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\ !! 2value |
\ !! 2value |
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: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
: 2Literal ( compilation w1 w2 -- ; run-time -- w1 w2 ) \ double two-literal |
swap postpone Literal postpone Literal ; immediate restrict |
swap postpone Literal postpone Literal ; immediate restrict |
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' drop alias d>s ( d -- n ) \ double d_to_s |
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: m*/ ( d1 n2 u3 -- dqout ) \ double m-star-slash |
: m*/ ( d1 n2 u3 -- dqout ) \ double m-star-slash |
>r s>d >r abs -rot |
>r s>d >r abs -rot |
s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um* |
s>d r> xor r> swap >r >r dabs rot tuck um* 2swap um* |
Line 56 decimal
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Line 75 decimal
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\ UNUSED 17may93jaw |
\ UNUSED 17may93jaw |
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: dictionary-end ( -- addr ) |
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forthstart dup 3 cells + @ + ; |
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: unused ( -- u ) \ core-ext |
: unused ( -- u ) \ core-ext |
s0 @ 512 - \ for stack |
dictionary-end here - ; |
here - ; |
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\ [COMPILE] 17may93jaw |
\ [COMPILE] 17may93jaw |
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: [compile] ( compilation "name" -- ; run-time ? -- ? ) \ core-ext bracket-compile |
: [compile] ( compilation "name" -- ; run-time ? -- ? ) \ core-ext bracket-compile |
' compile, ; immediate |
comp' drop compile, ; immediate |
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\ MARKER 17may93jaw |
\ MARKER 17may93jaw |
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Line 73 decimal
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Line 94 decimal
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\ CONVERT 17may93jaw |
\ CONVERT 17may93jaw |
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: convert ( ud1 c-addr1 -- ud2 c-addr2 ) \ core-ext |
: convert ( ud1 c-addr1 -- ud2 c-addr2 ) \ core-ext |
\ obsolescent; supersedet by @code{>number}. |
\ obsolescent; superseded by @code{>number}. |
true >number drop ; |
true >number drop ; |
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\ ERASE 17may93jaw |
\ ERASE 17may93jaw |
Line 101 decimal
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Line 122 decimal
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REPEAT |
REPEAT |
2drop 2drop rdrop false ; |
2drop 2drop rdrop false ; |
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\ ROLL 17may93jaw |
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: roll ( x0 x1 .. xn n -- x1 .. xn x0 ) \ core-ext |
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dup 1+ pick >r |
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cells sp@ cell+ dup cell+ rot move drop r> ; |
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\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
\ SOURCE-ID SAVE-INPUT RESTORE-INPUT 11jun93jaw |
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: source-id ( -- 0 | -1 | fileid ) \ core-ext source-i-d |
: source-id ( -- 0 | -1 | fileid ) \ core-ext,file source-i-d |
loadfile @ dup 0= IF drop loadline @ 0 min THEN ; |
loadfile @ dup 0= IF drop sourceline# 0 min THEN ; |
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: save-input ( -- x1 .. xn n ) \ core-ext |
: save-input ( -- x1 .. xn n ) \ core-ext |
>in @ |
>in @ |
loadfile @ ?dup |
loadfile @ |
IF dup file-position throw loadline @ >tib @ 6 |
if |
#tib @ >tib +! |
loadfile @ file-position throw |
ELSE loadline @ blk @ linestart @ >tib @ 5 THEN |
else |
; |
blk @ |
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linestart @ |
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then |
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sourceline# |
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>tib @ |
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source-id |
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6 ; |
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: restore-input ( x1 .. xn n -- flag ) \ core-ext |
: restore-input ( x1 .. xn n -- flag ) \ core-ext |
swap >tib ! |
6 <> -12 and throw |
6 = IF loadline ! rot dup loadfile ! |
source-id <> -12 and throw |
reposition-file IF drop true EXIT THEN |
>tib ! |
ELSE linestart ! blk ! |
>r ( line# ) |
dup loadline @ <> IF 2drop true EXIT THEN |
loadfile @ 0<> |
loadline ! |
if |
THEN |
loadfile @ reposition-file throw |
>in ! false ; |
else |
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linestart ! |
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blk ! |
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sourceline# r@ <> blk @ 0= and loadfile @ 0= and |
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if |
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drop rdrop true EXIT |
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then |
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then |
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r> loadline ! |
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>in ! |
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false ; |
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\ This things we don't need, but for being complete... jaw |
\ This things we don't need, but for being complete... jaw |
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Line 146 variable span ( -- a-addr ) \ core-ext
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Line 175 variable span ( -- a-addr ) \ core-ext
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key decode ( maxlen span c-addr pos2 flag ) |
key decode ( maxlen span c-addr pos2 flag ) |
>r 2over = r> or |
>r 2over = r> or |
UNTIL |
UNTIL |
type-rest drop |
2 pick swap /string type |
2drop nip span ! ; |
nip span ! ; |
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