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\ Number IO |
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\ Copyright (C) 1995-1997 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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: pad ( -- addr ) \ core-ext |
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pazsan
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1.3
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here word-pno-size + aligned ; |
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anton
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1.1
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\ hold <# #> sign # #s 25jan92py |
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: hold ( char -- ) \ core |
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pad cell - -1 chars over +! @ c! ; |
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: <# ( -- ) \ core less-number-sign |
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pad cell - dup ! ; |
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: #> ( xd -- addr u ) \ core number-sign-greater |
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2drop pad cell - dup @ tuck - ; |
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: sign ( n -- ) \ core |
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0< IF [char] - hold THEN ; |
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: # ( ud1 -- ud2 ) \ core number-sign |
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base @ 2 max ud/mod rot 9 over < |
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IF |
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[ char A char 9 - 1- ] Literal + |
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THEN |
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[char] 0 + hold ; |
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: #s ( +d -- 0 0 ) \ core number-sign-s |
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BEGIN |
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# 2dup or 0= |
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UNTIL ; |
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\ print numbers 07jun92py |
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: d.r ( d n -- ) \ double d-dot-r |
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>r tuck dabs <# #s rot sign #> |
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r> over - spaces type ; |
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: ud.r ( ud n -- ) \ gforth u-d-dot-r |
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>r <# #s #> r> over - spaces type ; |
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: .r ( n1 n2 -- ) \ core-ext dot-r |
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>r s>d r> d.r ; |
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: u.r ( u n -- ) \ core-ext u-dot-r |
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0 swap ud.r ; |
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: d. ( d -- ) \ double d-dot |
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0 d.r space ; |
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: ud. ( ud -- ) \ gforth u-d-dot |
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0 ud.r space ; |
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: . ( n -- ) \ core dot |
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s>d d. ; |
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: u. ( u -- ) \ core u-dot |
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0 ud. ; |
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