42 lines
1.6 KiB
Forth
42 lines
1.6 KiB
Forth
\ *****************************************************************************
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\ * Copyright (c) 2004, 2008 IBM Corporation
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\ * All rights reserved.
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\ * This program and the accompanying materials
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\ * are made available under the terms of the BSD License
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\ * which accompanies this distribution, and is available at
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\ * http://www.opensource.org/licenses/bsd-license.php
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\ *
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\ * Contributors:
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\ * IBM Corporation - initial implementation
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\ ****************************************************************************/
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\ Hex dump facilities.
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1 VALUE /dump
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' c@ VALUE 'dump
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0 VALUE dump-first
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0 VALUE dump-last
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0 VALUE dump-cur
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: .char ( c -- ) dup bl 7f within 0= IF drop [char] . THEN emit ;
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: dump-line ( -- )
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cr dump-cur dup 8 0.r [char] : emit 10 /dump / 0 DO
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space dump-cur dump-first dump-last within IF
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dump-cur 'dump execute /dump 2* 0.r ELSE
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/dump 2* spaces THEN dump-cur /dump + to dump-cur LOOP
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/dump 1 <> IF drop EXIT THEN
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to dump-cur 2 spaces
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10 0 DO dump-cur dump-first dump-last within IF
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dump-cur 'dump execute .char ELSE space THEN dump-cur 1+ to dump-cur LOOP ;
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: (dump) ( addr len reader size -- )
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to /dump to 'dump bounds /dump negate and to dump-first to dump-last
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dump-first f invert and to dump-cur
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base @ hex BEGIN dump-line dump-cur dump-last >= UNTIL base ! ;
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: du ( -- ) dump-last 100 'dump /dump (dump) ;
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: dump ['] c@ 1 (dump) ;
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: wdump ['] w@ 2 (dump) ;
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: ldump ['] l@ 4 (dump) ;
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: xdump ['] x@ 8 (dump) ;
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: rdump ['] rb@ 1 (dump) ;
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\ : iodump ['] io-c@ 1 (dump) ;
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\ : siodump ['] siocfg@ 1 (dump) ;
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