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Diff for /gforth/cross.fs between versions 1.67 and 1.71

version 1.67, 1999/02/19 18:25:28 version 1.71, 1999/02/22 18:27:22
Line 1 Line 1
 \ CROSS.FS     The Cross-Compiler                      06oct92py  \ CROSS.FS     The Cross-Compiler                      06oct92py
 \ Idea and implementation: Bernd Paysan (py)  \ Idea and implementation: Bernd Paysan (py)
   
 \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 52  Warnings off Line 52  Warnings off
 \G Same behaviour as "Value" if the <name> is not defined  \G Same behaviour as "Value" if the <name> is not defined
 \G Same behaviour as "to" if <name> is defined  \G Same behaviour as "to" if <name> is defined
 \G SetValue searches in the current vocabulary  \G SetValue searches in the current vocabulary
  save-input bl word >r restore-input throw r> count    save-input bl word >r restore-input throw r> count
  get-current search-wordlist    get-current search-wordlist
  IF ['] to execute ELSE Value THEN ;    IF    drop >r
           \ we have to set current to be topmost context wordlist
           get-order get-order get-current swap 1+ set-order
           r> ['] to execute
           set-order order
     ELSE Value THEN ;
   
 : DefaultValue ( n -- <name> )  : DefaultValue ( n -- <name> )
 \G Same behaviour as "Value" if the <name> is not defined  \G Same behaviour as "Value" if the <name> is not defined
Line 321  s" relocate" T environment? H Line 326  s" relocate" T environment? H
   
 \ \ Create additional parameters                         19jan95py  \ \ Create additional parameters                         19jan95py
   
 1 8 lshift Constant maxbyte   \ currently cross only works for host machines with address-unit-bits
   \ eual to 8 because of s! and sc!
   \ but I start to query the environment just to modularize a little bit
   
   : check-address-unit-bits ( -- )        
   \       s" ADDRESS-UNIT-BITS" environment?
   \       IF 8 <> ELSE true THEN
   \       ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
   
   \       shit, this doesn't work because environment? is only defined for 
   \       gforth.fi and not kernl???.fi
           ;
   
   check-address-unit-bits
   8 Constant bits/byte    \ we define: byte is address-unit
   
   1 bits/byte lshift Constant maxbyte 
 \ this sets byte size for the target machine, an (probably right guess) jaw  \ this sets byte size for the target machine, an (probably right guess) jaw
   
 T  T
 NIL                Constant TNIL  NIL                     Constant TNIL
 cell               Constant tcell  cell                    Constant tcell
 cell<<             Constant tcell<<  cell<<                  Constant tcell<<
 cell>bit           Constant tcell>bit  cell>bit                Constant tcell>bit
 bits/byte          Constant tbits/byte  bits/char               Constant tbits/char
 bits/byte 8 /      Constant tchar  bits/char H bits/byte T /      
 float              Constant tfloat                          Constant tchar
 1 bits/byte lshift Constant tmaxbyte  float                   Constant tfloat
   1 bits/char lshift      Constant tmaxchar
   [IFUNDEF] bits/byte
   8                       Constant tbits/byte
   [ELSE]
   bits/byte               Constant tbits/byte
   [THEN]
 H  H
   tbits/byte bits/byte /  Constant tbyte
   
   
 \ Variables                                            06oct92py  \ Variables                                            06oct92py
   
Line 425  Variable mirrored-link          \ linked Line 454  Variable mirrored-link          \ linked
   
 : mirrored                              \G mark a region as mirrored  : mirrored                              \G mark a region as mirrored
   mirrored-link    mirrored-link
   linked last-defined-region @ , ;    align linked last-defined-region @ , ;
   
 : .addr ( u -- )  : .addr ( u -- )
 \G prints a 16 or 32 Bit nice hex value  \G prints a 16 or 32 Bit nice hex value
Line 598  variable constflag constflag off Line 627  variable constflag constflag off
   
 : cell+         tcell + ;  : cell+         tcell + ;
 : cells         tcell<< lshift ;  : cells         tcell<< lshift ;
 : chars         ;  : chars         tchar * ;
 : char+         1 + ;  : char+         tchar + ;
 : floats        tfloat * ;  : floats        tfloat * ;
           
 >CROSS  >CROSS
Line 684  T has? relocate H Line 713  T has? relocate H
 [ELSE]  [ELSE]
 ' drop IS relon  ' drop IS relon
 ' drop IS reloff  ' drop IS reloff
 ' (correcter) IS >image  ' (>regionimage) IS >image
 [THEN]  [THEN]
   
 \ Target memory access                                 06oct92py  \ Target memory access                                 06oct92py
Line 721  T has? relocate H Line 750  T has? relocate H
 : cfalign ( -- )  : cfalign ( -- )
     T here H cfalign+ 0 ?DO  bl T c, tchar H +LOOP ;      T here H cfalign+ 0 ?DO  bl T c, tchar H +LOOP ;
   
 : >address              dup 0>= IF tchar / THEN ; \ ?? jaw   : >address              dup 0>= IF tbyte / THEN ; \ ?? jaw 
 : A!                    swap >address swap dup relon T ! H ;  : A!                    swap >address swap dup relon T ! H ;
 : A,    ( w -- )        >address T here H relon T , H ;  : A,    ( w -- )        >address T here H relon T , H ;
   
Removed from v.1.67  
changed lines
  Added in v.1.71

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