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changed operand order of 'embed' to be closer to maskinto.  this should be
more usable in practice.

    1: \ test bitmask code
    2: 
    3: \ Copyright (C) 2010 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation, either version 3
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program. If not, see http://www.gnu.org/licenses/.
   19: 
   20: require ./tester.fs
   21: decimal
   22: 
   23: require ../asm/bitmask.fs
   24: 
   25: { : test1 maskinto $F0F0F0 ; -> }
   26: { $567 $abcde test1 -> $5a6c7e }
   27: 
   28: require ../asm/bitmask2.fs
   29: 
   30: { $567 $F0F0F0 dispense -> $506070 }
   31: { $567 $abcde $F0F0F0 embed -> $5a6c7e }
   32: 
   33: { : test1 maskinto $F0F0F0 ; -> }
   34: { $567 $abcde test1 -> $5a6c7e }
   35: 
   36: { 127 8 narrow -> $FF }
   37: { -128 8 narrow -> $80 }
   38: { 128 8 ' narrow catch nip nip -> -2 }
   39: { -129 8 ' narrow catch nip nip -> -2 }
   40: