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Diff for /gforth/arch/alpha/disasm.fs between versions 1.3 and 1.6

version 1.3, 2000/06/17 12:01:55 version 1.6, 2000/07/15 19:58:47
Line 1 Line 1
   
 \ bernd thallner 9725890 e881  
 \ disassembler in forth for alpha  \ disassembler in forth for alpha
   
   \ Copyright (C) 1999,2000 Free Software Foundation, Inc.
   
   \ This file is part of Gforth.
   
   \ Gforth is free software; you can redistribute it and/or
   \ modify it under the terms of the GNU General Public License
   \ as published by the Free Software Foundation; either version 2
   \ of the License, or (at your option) any later version.
   
   \ This program is distributed in the hope that it will be useful,
   \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   \ GNU General Public License for more details.
   
   \ You should have received a copy of the GNU General Public License
   \ along with this program; if not, write to the Free Software
   \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   
   \ contributed by Bernd Thallner
   
 \ util  \ util
   
 require asm.fs  \ require asm.fs
   
 \  : h@ ( addr -- n )  \ 32 bit fetch  \  : h@ ( addr -- n )  \ 32 bit fetch
 \  dup dup aligned = if  \  dup dup aligned = if
Line 264  create decode_code Line 282  create decode_code
   print_string drop    print_string drop
 ;  ;
   
 : decode_Bra ( instruction tbentry -- )  : decode_Bra ( addr instruction tbentry -- addr )
   swap    swap
   dup $03e00000 and 21 rshift decode_register    dup $03e00000 and 21 rshift decode_register
   $001fffff and .    $001fffff and 2* 2* 2 pick + 4 + hex.
   print_string    print_string
 ;  ;
   
Line 289  create decode_code Line 307  create decode_code
 : decode_Mem ( instruction tbentry -- )  : decode_Mem ( instruction tbentry -- )
   swap    swap
   dup $03e00000 and 21 rshift decode_register    dup $03e00000 and 21 rshift decode_register
   dup $0000ffff and .    dup $0000ffff and dup 15 rshift negate 15 lshift or .
   $001f0000 and 16 rshift decode_register    $001f0000 and 16 rshift decode_register
   print_string    print_string
 ;  ;
Line 424  drop \ string_table end Line 442  drop \ string_table end
   
 set-current  set-current
   
 : disasm-inst ( n -- )  \ instruction decoder  : disasm-inst ( addr n -- addr )  \ instruction decoder
   dup $fc000000 and    dup $fc000000 and
   26 rshift cells    26 rshift cells
   opcode_table +    opcode_table +
Line 437  set-current Line 455  set-current
     \G disassemble u aus starting at addr      \G disassemble u aus starting at addr
     cr bounds      cr bounds
     u+do      u+do
         ." ( " i hex. ."  ) "          ." ( " i hex. ." ) "
         i h@ disasm-inst          i i h@ disasm-inst drop
         4          4
     +loop ;      +loop ;
   
Removed from v.1.3  
changed lines
  Added in v.1.6

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