Diff for /gforth/prim between versions 1.23 and 1.41

version 1.23, 1999/02/06 22:28:21 version 1.41, 1999/12/03 18:24:22
Line 115  INC_IP(1); Line 115  INC_IP(1);
  r> dup @ swap cell+ >r ;   r> dup @ swap cell+ >r ;
   
 execute         xt --           core  execute         xt --           core
 ""Perform the semantics represented by the execution token, xt.""  ""Perform the semantics represented by the execution token, @i{xt}.""
 ip=IP;  ip=IP;
 IF_TOS(TOS = sp[0]);  IF_TOS(TOS = sp[0]);
 EXEC(xt);  EXEC(xt);
Line 129  EXEC(*(Xt *)a_addr); Line 129  EXEC(*(Xt *)a_addr);
 :  :
  @ execute ;   @ execute ;
   
   \fhas? skipbranchprims 0= [IF]
 \+glocals  \+glocals
   
 branch-lp+!#    --      gforth  branch_lp_plus_store_number  branch-lp+!#    --      gforth  branch_lp_plus_store_number
Line 208  else Line 209  else
   INC_IP(1);    INC_IP(1);
   
 \+  \+
   \f[THEN]
   \fhas? skiploopprims 0= [IF]
   
 condbranch((next),--            cmFORTH paren_next,  condbranch((next),--            cmFORTH paren_next,
 if ((*rp)--) {  if ((*rp)--) {
Line 437  n = rp[4]; Line 440  n = rp[4];
   r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ;    r> r> r> r> r> r> dup itmp ! >r >r >r >r >r >r itmp @ ;
 [IFUNDEF] itmp variable itmp [THEN]  [IFUNDEF] itmp variable itmp [THEN]
   
   \f[THEN]
   
 \ digit is high-level: 0/0%  \ digit is high-level: 0/0%
   
 move    c_from c_to ucount --           core  move    c_from c_to ucount --           core
 "" If ucount>0, copy the contents of ucount address units  ""Copy the contents of @i{ucount} address units at @i{c-from} to
 at c-from to c-to. @code{move} chooses its copy direction  @i{c-to}. @code{move} works correctly even if the two areas overlap.""
 to avoid problems when c-from, c-to overlap.""  
 memmove(c_to,c_from,ucount);  memmove(c_to,c_from,ucount);
 /* make an Ifdef for bsd and others? */  /* make an Ifdef for bsd and others? */
 :  :
  >r 2dup u< IF r> cmove> ELSE r> cmove THEN ;   >r 2dup u< IF r> cmove> ELSE r> cmove THEN ;
   
 cmove   c_from c_to u --        string  cmove   c_from c_to u --        string  c_move
 "" If u>0, copy the contents of ucount characters from  ""Copy the contents of @i{ucount} characters from data space at
 data space at c-from to c-to. The copy proceeds @code{char}-by-@code{char}  @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}
 from low address to high address.""  from low address to high address; i.e., for overlapping areas it is
   safe if @i{c-to}=<@i{c-from}.""
 while (u-- > 0)  while (u-- > 0)
   *c_to++ = *c_from++;    *c_to++ = *c_from++;
 :  :
  bounds ?DO  dup c@ I c! 1+  LOOP  drop ;   bounds ?DO  dup c@ I c! 1+  LOOP  drop ;
   
 cmove>  c_from c_to u --        string  c_move_up  cmove>  c_from c_to u --        string  c_move_up
 "" If u>0, copy the contents of ucount characters from  ""Copy the contents of @i{ucount} characters from data space at
 data space at c-from to c-to. The copy proceeds @code{char}-by-@code{char}  @i{c-from} to @i{c-to}. The copy proceeds @code{char}-by-@code{char}
 from high address to low address.""  from high address to low address; i.e., for overlapping areas it is
   safe if @i{c-to}>=@i{c-from}.""
 while (u-- > 0)  while (u-- > 0)
   c_to[u] = c_from[u];    c_to[u] = c_from[u];
 :  :
Line 469  while (u-- > 0) Line 475  while (u-- > 0)
  DO  1- dup c@ I c!  -1 +LOOP  drop ;   DO  1- dup c@ I c!  -1 +LOOP  drop ;
   
 fill    c_addr u c --   core  fill    c_addr u c --   core
 "" If u>0, store character c in each of u consecutive  "" If @i{u}>0, store character @i{c} in each of @i{u} consecutive
 @code{char} addresses in memory, starting at address c-addr.""  @code{char} addresses in memory, starting at address @i{c-addr}.""
 memset(c_addr,c,u);  memset(c_addr,c,u);
 :  :
  -rot bounds   -rot bounds
  ?DO  dup I c!  LOOP  drop ;   ?DO  dup I c!  LOOP  drop ;
   
 compare         c_addr1 u1 c_addr2 u2 -- n      string  compare         c_addr1 u1 c_addr2 u2 -- n      string
 ""Compare two strings lexicographically. If they are equal, n is 0; if  ""Compare two strings lexicographically. If they are equal, @i{n} is 0; if
 the first string is smaller, n is -1; if the first string is larger, n  the first string is smaller, @i{n} is -1; if the first string is larger, @i{n}
 is 1. Currently this is based on the machine's character  is 1. Currently this is based on the machine's character
 comparison. In the future, this may change to considering the current  comparison. In the future, this may change to consider the current
 locale and its collation order.""  locale and its collation order.""
 n = memcmp(c_addr1, c_addr2, u1<u2 ? u1 : u2);  n = memcmp(c_addr1, c_addr2, u1<u2 ? u1 : u2);
 if (n==0)  if (n==0)
Line 512  else if (n>0) Line 518  else if (n>0)
  dup 0< IF  drop -1  ELSE  0>  1 and  THEN  ;   dup 0< IF  drop -1  ELSE  0>  1 and  THEN  ;
   
 toupper c1 -- c2        gforth  toupper c1 -- c2        gforth
   ""If @i{c1} is a lower-case character (in the current locale), @i{c2}
   is the equivalent upper-case character. All other characters are unchanged.""
 c2 = toupper(c1);  c2 = toupper(c1);
 :  :
  dup [char] a - [ char z char a - 1 + ] Literal u<  bl and - ;   dup [char] a - [ char z char a - 1 + ] Literal u<  bl and - ;
Line 530  else if (n>0) Line 538  else if (n>0)
  ELSE  c@ toupper I c@ toupper - unloop  THEN  -text-flag ;   ELSE  c@ toupper I c@ toupper - unloop  THEN  -text-flag ;
   
 -trailing       c_addr u1 -- c_addr u2          string  dash_trailing  -trailing       c_addr u1 -- c_addr u2          string  dash_trailing
   ""Adjust the string specified by @i{c-addr, u1} to remove all trailing
   spaces. @i{u2} is the length of the modified string.""
 u2 = u1;  u2 = u1;
 while (u2>0 && c_addr[u2-1] == ' ')  while (u2>0 && c_addr[u2-1] == ' ')
   u2--;    u2--;
Line 538  while (u2>0 && c_addr[u2-1] == ' ') Line 548  while (u2>0 && c_addr[u2-1] == ' ')
         dup  0= UNTIL  ELSE  1+  THEN ;          dup  0= UNTIL  ELSE  1+  THEN ;
   
 /string         c_addr1 u1 n -- c_addr2 u2      string  slash_string  /string         c_addr1 u1 n -- c_addr2 u2      string  slash_string
   ""Adjust the string specified by @i{c-addr1, u1} to remove @i{n}
   characters from the start of the string.""
 c_addr2 = c_addr1+n;  c_addr2 = c_addr1+n;
 u2 = u1-n;  u2 = u1-n;
 :  :
Line 548  n = n1+n2; Line 560  n = n1+n2;
   
 \ PFE-0.9.14 has it differently, but the next release will have it as follows  \ PFE-0.9.14 has it differently, but the next release will have it as follows
 under+  n1 n2 n3 -- n n2        gforth  under_plus  under+  n1 n2 n3 -- n n2        gforth  under_plus
 ""add @var{n3} to @var{n1} (giving @var{n})""  ""add @i{n3} to @i{n1} (giving @i{n})""
 n = n1+n3;  n = n1+n3;
 :  :
  rot + swap ;   rot + swap ;
Line 635  n2 = n1>>1; Line 647  n2 = n1>>1;
  LOOP nip ;   LOOP nip ;
   
 fm/mod  d1 n1 -- n2 n3          core            f_m_slash_mod  fm/mod  d1 n1 -- n2 n3          core            f_m_slash_mod
 ""floored division: d1 = n3*n1+n2, n1>n2>=0 or 0>=n2>n1""  ""Floored division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, @i{n1}>@i{n2}>=0 or 0>=@i{n2}>@i{n1}.""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 DCell r = fmdiv(d1,n1);  DCell r = fmdiv(d1,n1);
 n2=r.hi;  n2=r.hi;
Line 657  if (1%-3>0 && (d1<0) != (n1<0) && n2!=0) Line 669  if (1%-3>0 && (d1<0) != (n1<0) && n2!=0)
  r> 0< IF  swap negate swap  THEN ;   r> 0< IF  swap negate swap  THEN ;
   
 sm/rem  d1 n1 -- n2 n3          core            s_m_slash_rem  sm/rem  d1 n1 -- n2 n3          core            s_m_slash_rem
 ""symmetric division: d1 = n3*n1+n2, sign(n2)=sign(d1) or 0""  ""Symmetric division: @i{d1} = @i{n3}*@i{n1}+@i{n2}, sign(@i{n2})=sign(@i{d1}) or 0.""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 DCell r = smdiv(d1,n1);  DCell r = smdiv(d1,n1);
 n2=r.hi;  n2=r.hi;
Line 707  ud = (UDCell)u1 * (UDCell)u2; Line 719  ud = (UDCell)u1 * (UDCell)u2;
    and >r >r 2dup d+ swap r> + swap r> ;     and >r >r 2dup d+ swap r> + swap r> ;
   
 um/mod  ud u1 -- u2 u3          core    u_m_slash_mod  um/mod  ud u1 -- u2 u3          core    u_m_slash_mod
   ""ud=u3*u1+u2, u1>u2>=0""
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 UDCell r = umdiv(ud,u1);  UDCell r = umdiv(ud,u1);
 u2=r.hi;  u2=r.hi;
Line 755  d = d1-d2; Line 768  d = d1-d2;
 :  :
  dnegate d+ ;   dnegate d+ ;
   
 dnegate d1 -- d2                double  dnegate d1 -- d2                double  d_negate
 /* use dminus as alias */  /* use dminus as alias */
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 d2 = dnegate(d1);  d2 = dnegate(d1);
Line 794  w = w1|w2; Line 807  w = w1|w2;
 :  :
  invert swap invert and invert ;   invert swap invert and invert ;
   
 xor     w1 w2 -- w              core  xor     w1 w2 -- w              core    x_or
 w = w1^w2;  w = w1^w2;
   
 invert  w1 -- w2                core  invert  w1 -- w2                core
Line 802  w2 = ~w1; Line 815  w2 = ~w1;
 :  :
  MAXU xor ;   MAXU xor ;
   
 rshift  u1 n -- u2              core  rshift  u1 n -- u2              core    r_shift
   u2 = u1>>n;    u2 = u1>>n;
 :  :
     0 ?DO 2/ MAXI and LOOP ;      0 ?DO 2/ MAXI and LOOP ;
   
 lshift  u1 n -- u2              core  lshift  u1 n -- u2              core    l_shift
   u2 = u1<<n;    u2 = u1<<n;
 :  :
     0 ?DO 2* LOOP ;      0 ?DO 2* LOOP ;
Line 823  f = FLAG($4==$5); Line 836  f = FLAG($4==$5);
         ] xor 0= [          ] xor 0= [
     [THEN] ] ;      [THEN] ] ;
   
 $1<>    $2 -- f         $7      $3different  $1<>    $2 -- f         $7      $3not_equals
 f = FLAG($4!=$5);  f = FLAG($4!=$5);
 :  :
     [ char $1x char 0 = [IF]      [ char $1x char 0 = [IF]
Line 832  f = FLAG($4!=$5); Line 845  f = FLAG($4!=$5);
         ] xor 0<> [          ] xor 0<> [
     [THEN] ] ;      [THEN] ] ;
   
 $1<     $2 -- f         $8      $3less  $1<     $2 -- f         $8      $3less_than
 f = FLAG($4<$5);  f = FLAG($4<$5);
 :  :
     [ char $1x char 0 = [IF]      [ char $1x char 0 = [IF]
Line 844  f = FLAG($4<$5); Line 857  f = FLAG($4<$5);
         [THEN]          [THEN]
     [THEN] ] ;      [THEN] ] ;
   
 $1>     $2 -- f         $9      $3greater  $1>     $2 -- f         $9      $3greater_than
 f = FLAG($4>$5);  f = FLAG($4>$5);
 :  :
     [ char $1x char 0 = [IF] ] negate [ [ELSE] ] swap [ [THEN] ]      [ char $1x char 0 = [IF] ] negate [ [ELSE] ] swap [ [THEN] ]
Line 876  f = FLAG($4.lo==$5.lo && $4.hi==$5.hi); Line 889  f = FLAG($4.lo==$5.lo && $4.hi==$5.hi);
 f = FLAG($4==$5);  f = FLAG($4==$5);
 #endif  #endif
   
 $1<>    $2 -- f         $7      $3different  $1<>    $2 -- f         $7      $3not_equals
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi);  f = FLAG($4.lo!=$5.lo || $4.hi!=$5.hi);
 #else  #else
 f = FLAG($4!=$5);  f = FLAG($4!=$5);
 #endif  #endif
   
 $1<     $2 -- f         $8      $3less  $1<     $2 -- f         $8      $3less_than
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo<$5.lo : $4.hi<$5.hi);
 #else  #else
 f = FLAG($4<$5);  f = FLAG($4<$5);
 #endif  #endif
   
 $1>     $2 -- f         $9      $3greater  $1>     $2 -- f         $9      $3greater_than
 #ifdef BUGGY_LONG_LONG  #ifdef BUGGY_LONG_LONG
 f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi);  f = FLAG($4.hi==$5.hi ? $4.lo>$5.lo : $4.hi>$5.hi);
 #else  #else
Line 922  dcomparisons(du, ud1 ud2, d_u_, ud1, ud2 Line 935  dcomparisons(du, ud1 ud2, d_u_, ud1, ud2
 \+  \+
   
 within  u1 u2 u3 -- f           core-ext  within  u1 u2 u3 -- f           core-ext
   ""u2=<u1<u3 or: u3=<u2 and u1 is not in [u3,u2).  This works for
   unsigned and signed numbers (but not a mixture).  Another way to think
   about this word is to consider the numbers as a circle (wrapping
   around from @code{max-u} to 0 for unsigned, and from @code{max-n} to
   min-n for signed numbers); now consider the range from u2 towards
   increasing numbers up to and excluding u3 (giving an empty range if
   u2=u3; if u1 is in this range, @code{within} returns true.""
 f = FLAG(u1-u2 < u3-u2);  f = FLAG(u1-u2 < u3-u2);
 :  :
  over - >r - r> u< ;   over - >r - r> u< ;
   
 sp@     -- a_addr               gforth          spat  sp@     -- a_addr               gforth          sp_fetch
 a_addr = sp+1;  a_addr = sp+1;
   
 sp!     a_addr --               gforth          spstore  sp!     a_addr --               gforth          sp_store
 sp = a_addr;  sp = a_addr;
 /* works with and without TOS caching */  /* works with and without TOS caching */
   
 rp@     -- a_addr               gforth          rpat  rp@     -- a_addr               gforth          rp_fetch
 a_addr = rp;  a_addr = rp;
   
 rp!     a_addr --               gforth          rpstore  rp!     a_addr --               gforth          rp_store
 rp = a_addr;  rp = a_addr;
   
 \+floating  \+floating
Line 1006  swap w1 w2 -- w2 w1  core Line 1026  swap w1 w2 -- w2 w1  core
  >r (swap) ! r> (swap) @ ;   >r (swap) ! r> (swap) @ ;
 Variable (swap)  Variable (swap)
   
 dup     w -- w w                core  dup     w -- w w                core    dupe
 :  :
  sp@ @ ;   sp@ @ ;
   
Line 1077  w = sp[u+1]; Line 1097  w = sp[u+1];
 \ toggle is high-level: 0.11/0.42%  \ toggle is high-level: 0.11/0.42%
   
 @       a_addr -- w             core    fetch  @       a_addr -- w             core    fetch
   "" Read from the cell at address @i{a-addr}, and return its contents, @i{w}.""
 w = *a_addr;  w = *a_addr;
   
 !       w a_addr --             core    store  !       w a_addr --             core    store
   "" Write the value @i{w} to the cell at address @i{a-addr}.""
 *a_addr = w;  *a_addr = w;
   
 +!      n a_addr --             core    plus_store  +!      n a_addr --             core    plus_store
   "" Add @i{n} to the value stored in the cell at address @i{a-addr}.""
 *a_addr += n;  *a_addr += n;
 :  :
  tuck @ + swap ! ;   tuck @ + swap ! ;
   
 c@      c_addr -- c             core    cfetch  c@      c_addr -- c             core    c_fetch
   "" Read from the char at address @i{c-addr}, and return its contents, @i{c}.""
 c = *c_addr;  c = *c_addr;
 :  :
 [ bigendian [IF] ]  [ bigendian [IF] ]
Line 1112  c = *c_addr; Line 1136  c = *c_addr;
 ;  ;
 : 8>> 2/ 2/ 2/ 2/  2/ 2/ 2/ 2/ ;  : 8>> 2/ 2/ 2/ 2/  2/ 2/ 2/ 2/ ;
   
 c!      c c_addr --             core    cstore  c!      c c_addr --             core    c_store
   "" Write the value @i{c} to the char at address @i{c-addr}.""
 *c_addr = c;  *c_addr = c;
 :  :
 [ bigendian [IF] ]  [ bigendian [IF] ]
Line 1142  c! c c_addr --  core cstore Line 1167  c! c c_addr --  core cstore
 : 8<< 2* 2* 2* 2*  2* 2* 2* 2* ;  : 8<< 2* 2* 2* 2*  2* 2* 2* 2* ;
   
 2!      w1 w2 a_addr --         core    two_store  2!      w1 w2 a_addr --         core    two_store
   "" Write the value @i{w1, w2} to the double at address @i{a-addr}.""
 a_addr[0] = w2;  a_addr[0] = w2;
 a_addr[1] = w1;  a_addr[1] = w1;
 :  :
  tuck ! cell+ ! ;   tuck ! cell+ ! ;
   
 2@      a_addr -- w1 w2         core    two_fetch  2@      a_addr -- w1 w2         core    two_fetch
   "" Read from the double at address @i{a-addr}, and return its contents, @i{w1, w2}.""
 w2 = a_addr[0];  w2 = a_addr[0];
 w1 = a_addr[1];  w1 = a_addr[1];
 :  :
  dup cell+ @ swap @ ;   dup cell+ @ swap @ ;
   
 cell+   a_addr1 -- a_addr2      core    cell_plus  cell+   a_addr1 -- a_addr2      core    cell_plus
   "" Increment @i{a-addr1} by the number of address units corresponding to the size of
   one cell, to give @i{a-addr2}.""
 a_addr2 = a_addr1+1;  a_addr2 = a_addr1+1;
 :  :
  cell + ;   cell + ;
   
 cells   n1 -- n2                core  cells   n1 -- n2                core
   "" @i{n2} is the number of address units corresponding to @i{n1} cells.""
 n2 = n1 * sizeof(Cell);  n2 = n1 * sizeof(Cell);
 :  :
  [ cell   [ cell
Line 1168  n2 = n1 * sizeof(Cell); Line 1198  n2 = n1 * sizeof(Cell);
  2/ dup [IF] ] 2* [ [THEN]   2/ dup [IF] ] 2* [ [THEN]
  drop ] ;   drop ] ;
   
 char+   c_addr1 -- c_addr2      core    care_plus  char+   c_addr1 -- c_addr2      core    char_plus
   "" Increment @i{c-addr1} by the number of address units corresponding to the size of
   one char, to give @i{c-addr2}.""
 c_addr2 = c_addr1 + 1;  c_addr2 = c_addr1 + 1;
 :  :
  1+ ;   1+ ;
   
 (chars)         n1 -- n2        gforth  paren_cares  (chars)         n1 -- n2        gforth  paren_chars
 n2 = n1 * sizeof(Char);  n2 = n1 * sizeof(Char);
 :  :
  ;   ;
   
 count   c_addr1 -- c_addr2 u    core  count   c_addr1 -- c_addr2 u    core
 "" If c-add1 is the address of a counted string return the length of  "" If @i{c-add1} is the address of a counted string return the length of
 the string, u, and the address of its first character, c-addr2.""  the string, @i{u}, and the address of its first character, @i{c-addr2}.""
 u = *c_addr1;  u = *c_addr1;
 c_addr2 = c_addr1+1;  c_addr2 = c_addr1+1;
 :  :
Line 1305  else { Line 1337  else {
  REPEAT  THEN  nip - ;   REPEAT  THEN  nip - ;
   
 aligned         c_addr -- a_addr        core  aligned         c_addr -- a_addr        core
   "" @i{a-addr} is the first aligned address greater than or equal to @i{c-addr}.""
 a_addr = (Cell *)((((Cell)c_addr)+(sizeof(Cell)-1))&(-sizeof(Cell)));  a_addr = (Cell *)((((Cell)c_addr)+(sizeof(Cell)-1))&(-sizeof(Cell)));
 :  :
  [ cell 1- ] Literal + [ -1 cells ] Literal and ;   [ cell 1- ] Literal + [ -1 cells ] Literal and ;
   
 faligned        c_addr -- f_addr        float   f_aligned  faligned        c_addr -- f_addr        float   f_aligned
   "" @i{f-addr} is the first float-aligned address greater than or equal to @i{c-addr}.""
 f_addr = (Float *)((((Cell)c_addr)+(sizeof(Float)-1))&(-sizeof(Float)));  f_addr = (Float *)((((Cell)c_addr)+(sizeof(Float)-1))&(-sizeof(Float)));
 :  :
  [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;   [ 1 floats 1- ] Literal + [ -1 floats ] Literal and ;
   
 >body           xt -- a_addr    core    to_body  >body           xt -- a_addr    core    to_body
   "" Get the address of the body of the word represented by @i{xt} (the address
   of the word's data field).""
 a_addr = PFA(xt);  a_addr = PFA(xt);
 :  :
     2 cells + ;      2 cells + ;
   
   \ threading stuff is currently only interesting if we have a compiler
   \fhas? standardthreading has? compiler and [IF]
   
 >code-address           xt -- c_addr            gforth  to_code_address  >code-address           xt -- c_addr            gforth  to_code_address
 ""c_addr is the code address of the word xt""  ""@i{c-addr} is the code address of the word @i{xt}.""
 /* !! This behaves installation-dependently for DOES-words */  /* !! This behaves installation-dependently for DOES-words */
 c_addr = (Address)CODE_ADDRESS(xt);  c_addr = (Address)CODE_ADDRESS(xt);
 :  :
     @ ;      @ ;
   
 >does-code      xt -- a_addr            gforth  to_does_code  >does-code      xt -- a_addr            gforth  to_does_code
 ""If xt ist the execution token of a defining-word-defined word,  ""If @i{xt} is the execution token of a defining-word-defined word,
 a_addr is the start of the Forth code after the @code{DOES>};  @i{a-addr} is the start of the Forth code after the @code{DOES>};
 Otherwise a_addr is 0.""  Otherwise @i{a-addr} is 0.""
 a_addr = (Cell *)DOES_CODE(xt);  a_addr = (Cell *)DOES_CODE(xt);
 :  :
     cell+ @ ;      cell+ @ ;
   
 code-address!           c_addr xt --            gforth  code_address_store  code-address!           c_addr xt --            gforth  code_address_store
 ""Creates a code field with code address c_addr at xt""  ""Create a code field with code address @i{c-addr} at @i{xt}.""
 MAKE_CF(xt, c_addr);  MAKE_CF(xt, c_addr);
 CACHE_FLUSH(xt,(size_t)PFA(0));  CACHE_FLUSH(xt,(size_t)PFA(0));
 :  :
     ! ;      ! ;
   
 does-code!      a_addr xt --            gforth  does_code_store  does-code!      a_addr xt --            gforth  does_code_store
 ""creates a code field at xt for a defining-word-defined word; a_addr  ""Create a code field at @i{xt} for a defining-word-defined word; @i{a-addr}
 is the start of the Forth code after DOES>""  is the start of the Forth code after @code{DOES>}.""
 MAKE_DOES_CF(xt, a_addr);  MAKE_DOES_CF(xt, a_addr);
 CACHE_FLUSH(xt,(size_t)PFA(0));  CACHE_FLUSH(xt,(size_t)PFA(0));
 :  :
     dodoes: over ! cell+ ! ;      dodoes: over ! cell+ ! ;
   
 does-handler!   a_addr --       gforth  does_handler_store  does-handler!   a_addr --       gforth  does_handler_store
 ""creates a DOES>-handler at address a_addr. a_addr usually points  ""Create a @code{DOES>}-handler at address @i{a-addr}. Usually, @i{a-addr} points
 just behind a DOES>.""  just behind a @code{DOES>}.""
 MAKE_DOES_HANDLER(a_addr);  MAKE_DOES_HANDLER(a_addr);
 CACHE_FLUSH((caddr_t)a_addr,DOES_HANDLER_SIZE);  CACHE_FLUSH((caddr_t)a_addr,DOES_HANDLER_SIZE);
 :  :
     drop ;      drop ;
   
 /does-handler   -- n    gforth  slash_does_handler  /does-handler   -- n    gforth  slash_does_handler
 ""the size of a does-handler (includes possible padding)""  ""The size of a @code{DOES>}-handler (includes possible padding).""
 /* !! a constant or environmental query might be better */  /* !! a constant or environmental query might be better */
 n = DOES_HANDLER_SIZE;  n = DOES_HANDLER_SIZE;
 :  :
Line 1379  n=1; Line 1418  n=1;
 :  :
  1 ;   1 ;
   
   \f[THEN]
   
 key-file        wfileid -- n            gforth  paren_key_file  key-file        wfileid -- n            gforth  paren_key_file
 #ifdef HAS_FILE  #ifdef HAS_FILE
 fflush(stdout);  fflush(stdout);
Line 1416  ucols=cols; Line 1457  ucols=cols;
   
 flush-icache    c_addr u --     gforth  flush_icache  flush-icache    c_addr u --     gforth  flush_icache
 ""Make sure that the instruction cache of the processor (if there is  ""Make sure that the instruction cache of the processor (if there is
 one) does not contain stale data at @var{c_addr} and @var{u} bytes  one) does not contain stale data at @i{c-addr} and @i{u} bytes
 afterwards. @code{END-CODE} performs a @code{flush-icache}  afterwards. @code{END-CODE} performs a @code{flush-icache}
 automatically. Caveat: @code{flush-icache} might not work on your  automatically. Caveat: @code{flush-icache} might not work on your
 installation; this is usually the case if direct threading is not  installation; this is usually the case if direct threading is not
Line 1442  if (old_tp) Line 1483  if (old_tp)
 #endif  #endif
   
 getenv  c_addr1 u1 -- c_addr2 u2        gforth  getenv  c_addr1 u1 -- c_addr2 u2        gforth
   ""The string @i{c-addr1 u1} specifies an environment variable. The string @i{c-addr2 u2}
   is the host operating system's expansion of that environment variable. If the
   environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters
   in length.""
 c_addr2 = getenv(cstr(c_addr1,u1,1));  c_addr2 = getenv(cstr(c_addr1,u1,1));
 u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2));  u2 = (c_addr2 == NULL ? 0 : strlen(c_addr2));
   
Line 1473  timeout.tv_usec=1000*(n%1000); Line 1518  timeout.tv_usec=1000*(n%1000);
 (void)select(0,0,0,0,&timeout);  (void)select(0,0,0,0,&timeout);
   
 allocate        u -- a_addr wior        memory  allocate        u -- a_addr wior        memory
   ""Allocate @i{u} address units of contiguous data space. The initial
   contents of the data space is undefined. If the allocation is successful,
   @i{a-addr} is the start address of the allocated region and @i{wior}
   is 0. If the allocation fails, @i{a-addr} is undefined and @i{wior}
   is an implementation-defined I/O result code.""
 a_addr = (Cell *)malloc(u?u:1);  a_addr = (Cell *)malloc(u?u:1);
 wior = IOR(a_addr==NULL);  wior = IOR(a_addr==NULL);
   
 free            a_addr -- wior          memory  free            a_addr -- wior          memory
   ""Return the region of data space starting at @i{a-addr} to the system.
   The regon must originally have been obtained using @code{allocate} or
   @code{resize}. If the operational is successful, @i{wior} is 0.
   If the operation fails, @i{wior} is an implementation-defined
   I/O result code.""
 free(a_addr);  free(a_addr);
 wior = 0;  wior = 0;
   
 resize          a_addr1 u -- a_addr2 wior       memory  resize          a_addr1 u -- a_addr2 wior       memory
 ""Change the size of the allocated area at @i{a_addr1} to @i{u}  ""Change the size of the allocated area at @i{a-addr1} to @i{u}
 address units, possibly moving the contents to a different  address units, possibly moving the contents to a different
 area. @i{a_addr2} is the address of the resulting area. If  area. @i{a-addr2} is the address of the resulting area.
 @code{a_addr1} is 0, Gforth's (but not the standard) @code{resize}  If the operational is successful, @i{wior} is 0.
 @code{allocate}s @i{u} address units.""  If the operation fails, @i{wior} is an implementation-defined
   I/O result code. If @i{a-addr1} is 0, Gforth's (but not the Standard)
   @code{resize} @code{allocate}s @i{u} address units.""
 /* the following check is not necessary on most OSs, but it is needed  /* the following check is not necessary on most OSs, but it is needed
    on SunOS 4.1.2. */     on SunOS 4.1.2. */
 if (a_addr1==NULL)  if (a_addr1==NULL)
Line 1550  delete-file c_addr u -- wior  file delet Line 1607  delete-file c_addr u -- wior  file delet
 wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1);  wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1);
   
 rename-file     c_addr1 u1 c_addr2 u2 -- wior   file-ext        rename_file  rename-file     c_addr1 u1 c_addr2 u2 -- wior   file-ext        rename_file
 ""rename file c_addr1 u1 to new name c_addr2 u2""  ""Rename file @i{c_addr1 u1} to new name @i{c_addr2 u2}""
 char *s1=tilde_cstr(c_addr2, u2, 1);  char *s1=tilde_cstr(c_addr2, u2, 1);
 wior = IOR(rename(tilde_cstr(c_addr1, u1, 0), s1)==-1);  wior = IOR(rename(tilde_cstr(c_addr1, u1, 0), s1)==-1);
   
Line 1596  wior=FILEIO(ferror((FILE *)wfileid)); Line 1653  wior=FILEIO(ferror((FILE *)wfileid));
 */  */
 if ((flag=FLAG(!feof((FILE *)wfileid) &&  if ((flag=FLAG(!feof((FILE *)wfileid) &&
                fgets(c_addr,u1+1,(FILE *)wfileid) != NULL))) {                 fgets(c_addr,u1+1,(FILE *)wfileid) != NULL))) {
   wior=FILEIO(ferror((FILE *)wfileid)); /* !! ior? */    wior=FILEIO(ferror((FILE *)wfileid)!=0); /* !! ior? */
   if (wior)    if (wior)
     clearerr((FILE *)wfileid);      clearerr((FILE *)wfileid);
   u2 = strlen(c_addr);    u2 = strlen(c_addr);
Line 1608  else { Line 1665  else {
 }  }
   
 \+  \+
 \+file  
   
 write-file      c_addr u1 wfileid -- wior       file    write_file  write-file      c_addr u1 wfileid -- wior       file    write_file
 /* !! fwrite does not guarantee enough */  /* !! fwrite does not guarantee enough */
   #ifdef HAS_FILE
 {  {
   UCell u2 = fwrite(c_addr, sizeof(Char), u1, (FILE *)wfileid);    UCell u2 = fwrite(c_addr, sizeof(Char), u1, (FILE *)wfileid);
   wior = FILEIO(u2<u1 && ferror((FILE *)wfileid));    wior = FILEIO(u2<u1 && ferror((FILE *)wfileid));
   if (wior)    if (wior)
     clearerr((FILE *)wfileid);      clearerr((FILE *)wfileid);
 }  }
   #else
 \+  TYPE(c_addr, u1);
   #endif
   
 emit-file       c wfileid -- wior       gforth  emit_file  emit-file       c wfileid -- wior       gforth  emit_file
 #ifdef HAS_FILE  #ifdef HAS_FILE
Line 1627  wior = FILEIO(putc(c, (FILE *)wfileid)== Line 1685  wior = FILEIO(putc(c, (FILE *)wfileid)==
 if (wior)  if (wior)
   clearerr((FILE *)wfileid);    clearerr((FILE *)wfileid);
 #else  #else
 putc(c, stdout);  PUTC(c);
 #endif  #endif
   
 \+file  \+file
Line 1682  d = r; Line 1740  d = r;
 #endif  #endif
   
 f!              r f_addr --     float   f_store  f!              r f_addr --     float   f_store
   "" Store the floating-point value @i{r} to address @i{f-addr}.""
 *f_addr = r;  *f_addr = r;
   
 f@              f_addr -- r     float   f_fetch  f@              f_addr -- r     float   f_fetch
   "" Fetch floating-point value @i{r} from address @i{f-addr}.""
 r = *f_addr;  r = *f_addr;
   
 df@             df_addr -- r    float-ext       d_f_fetch  df@             df_addr -- r    float-ext       d_f_fetch
   "" Fetch the double-precision IEEE floating-point value @i{r} from the address @i{df-addr}.""
 #ifdef IEEE_FP  #ifdef IEEE_FP
 r = *df_addr;  r = *df_addr;
 #else  #else
Line 1695  r = *df_addr; Line 1756  r = *df_addr;
 #endif  #endif
   
 df!             r df_addr --    float-ext       d_f_store  df!             r df_addr --    float-ext       d_f_store
   "" Store the double-precision IEEE floating-point value @i{r} to the address @i{df-addr}.""
 #ifdef IEEE_FP  #ifdef IEEE_FP
 *df_addr = r;  *df_addr = r;
 #else  #else
Line 1702  df!  r df_addr -- float-ext d_f_store Line 1764  df!  r df_addr -- float-ext d_f_store
 #endif  #endif
   
 sf@             sf_addr -- r    float-ext       s_f_fetch  sf@             sf_addr -- r    float-ext       s_f_fetch
   "" Fetch the single-precision IEEE floating-point value @i{r} from the address @i{sf-addr}.""
 #ifdef IEEE_FP  #ifdef IEEE_FP
 r = *sf_addr;  r = *sf_addr;
 #else  #else
Line 1709  r = *sf_addr; Line 1772  r = *sf_addr;
 #endif  #endif
   
 sf!             r sf_addr --    float-ext       s_f_store  sf!             r sf_addr --    float-ext       s_f_store
   "" Store the single-precision IEEE floating-point value @i{r} to the address @i{sf-addr}.""
 #ifdef IEEE_FP  #ifdef IEEE_FP
 *sf_addr = r;  *sf_addr = r;
 #else  #else
Line 1728  f/  r1 r2 -- r3 float f_slash Line 1792  f/  r1 r2 -- r3 float f_slash
 r3 = r1/r2;  r3 = r1/r2;
   
 f**             r1 r2 -- r3     float-ext       f_star_star  f**             r1 r2 -- r3     float-ext       f_star_star
 ""@i{r3} is @i{r1} raised to the @i{r2}th power""  ""@i{r3} is @i{r1} raised to the @i{r2}th power.""
 r3 = pow(r1,r2);  r3 = pow(r1,r2);
   
 fnegate         r1 -- r2        float  fnegate         r1 -- r2        float   f_negate
 r2 = - r1;  r2 = - r1;
   
 fdrop           r --            float  fdrop           r --            float   f_drop
   
 fdup            r -- r r        float  fdup            r -- r r        float   f_dupe
   
 fswap           r1 r2 -- r2 r1  float  fswap           r1 r2 -- r2 r1  float   f_swap
   
 fover           r1 r2 -- r1 r2 r1       float  fover           r1 r2 -- r1 r2 r1       float   f_over
   
 frot            r1 r2 r3 -- r2 r3 r1    float  frot            r1 r2 r3 -- r2 r3 r1    float   f_rote
   
 fnip            r1 r2 -- r2     gforth  fnip            r1 r2 -- r2     gforth  f_nip
   
 ftuck           r1 r2 -- r2 r1 r2       gforth  ftuck           r1 r2 -- r2 r1 r2       gforth  f_tuck
   
 float+          f_addr1 -- f_addr2      float   float_plus  float+          f_addr1 -- f_addr2      float   float_plus
   "" Increment @i{f-addr1} by the number of address units corresponding to the size of
   one floating-point number, to give @i{f-addr2}.""
 f_addr2 = f_addr1+1;  f_addr2 = f_addr1+1;
   
 floats          n1 -- n2        float  floats          n1 -- n2        float
   ""@i{n2} is the number of address units corresponding to @i{n1} floating-point numbers.""
 n2 = n1*sizeof(Float);  n2 = n1*sizeof(Float);
   
 floor           r1 -- r2        float  floor           r1 -- r2        float
 ""round towards the next smaller integral value, i.e., round toward negative infinity""  ""Round towards the next smaller integral value, i.e., round toward negative infinity.""
 /* !! unclear wording */  /* !! unclear wording */
 r2 = floor(r1);  r2 = floor(r1);
   
 fround          r1 -- r2        float  fround          r1 -- r2        float   f_round
 ""round to the nearest integral value""  ""Round to the nearest integral value.""
 /* !! unclear wording */  /* !! unclear wording */
 #ifdef HAVE_RINT  #ifdef HAVE_RINT
 r2 = rint(r1);  r2 = rint(r1);
Line 1769  r2 = floor(r1+0.5); Line 1836  r2 = floor(r1+0.5);
 /* !! This is not quite true to the rounding rules given in the standard */  /* !! This is not quite true to the rounding rules given in the standard */
 #endif  #endif
   
 fmax            r1 r2 -- r3     float  fmax            r1 r2 -- r3     float   f_max
 if (r1<r2)  if (r1<r2)
   r3 = r2;    r3 = r2;
 else  else
   r3 = r1;    r3 = r1;
   
 fmin            r1 r2 -- r3     float  fmin            r1 r2 -- r3     float   f_min
 if (r1<r2)  if (r1<r2)
   r3 = r1;    r3 = r1;
 else  else
Line 1792  f2=FLAG(isdigit((unsigned)(sig[0]))!=0); Line 1859  f2=FLAG(isdigit((unsigned)(sig[0]))!=0);
 memmove(c_addr,sig,u);  memmove(c_addr,sig,u);
   
 >float  c_addr u -- flag        float   to_float  >float  c_addr u -- flag        float   to_float
   ""Attempt to convert the character string @i{c-addr u} to
   internal floating-point representation. If the string
   represents a valid floating-point number @i{r} is placed
   on the floating-point stack and @i{flag} is true. Otherwise,
   @i{flag} is false. A string of blanks is a special case
   and represents the floating-point number 0.""
 /* real signature: c_addr u -- r t / f */  /* real signature: c_addr u -- r t / f */
 Float r;  Float r;
 char *number=cstr(c_addr, u, 1);  char *number=cstr(c_addr, u, 1);
Line 1825  else if(*endconv=='d' || *endconv=='D') Line 1898  else if(*endconv=='d' || *endconv=='D')
      }       }
 }  }
   
 fabs            r1 -- r2        float-ext  fabs            r1 -- r2        float-ext       f_abs
 r2 = fabs(r1);  r2 = fabs(r1);
   
 facos           r1 -- r2        float-ext  facos           r1 -- r2        float-ext       f_a_cos
 r2 = acos(r1);  r2 = acos(r1);
   
 fasin           r1 -- r2        float-ext  fasin           r1 -- r2        float-ext       f_a_sine
 r2 = asin(r1);  r2 = asin(r1);
   
 fatan           r1 -- r2        float-ext  fatan           r1 -- r2        float-ext       f_a_tan
 r2 = atan(r1);  r2 = atan(r1);
   
 fatan2          r1 r2 -- r3     float-ext  fatan2          r1 r2 -- r3     float-ext       f_a_tan_two
 ""@i{r1/r2}=tan@i{r3}. The standard does not require, but probably  ""@i{r1/r2}=tan(@i{r3}). ANS Forth does not require, but probably
 intends this to be the inverse of @code{fsincos}. In gforth it is.""  intends this to be the inverse of @code{fsincos}. In gforth it is.""
 r3 = atan2(r1,r2);  r3 = atan2(r1,r2);
   
 fcos            r1 -- r2        float-ext  fcos            r1 -- r2        float-ext       f_cos
 r2 = cos(r1);  r2 = cos(r1);
   
 fexp            r1 -- r2        float-ext  fexp            r1 -- r2        float-ext       f_e_x_p
 r2 = exp(r1);  r2 = exp(r1);
   
 fexpm1          r1 -- r2        float-ext  fexpm1          r1 -- r2        float-ext       f_e_x_p_m_one
 ""@i{r2}=@i{e}**@i{r1}@minus{}1""  ""@i{r2}=@i{e}**@i{r1}@minus{}1""
 #ifdef HAVE_EXPM1  #ifdef HAVE_EXPM1
 extern double  extern double
Line 1861  r2 = expm1(r1); Line 1934  r2 = expm1(r1);
 r2 = exp(r1)-1.;  r2 = exp(r1)-1.;
 #endif  #endif
   
 fln             r1 -- r2        float-ext  fln             r1 -- r2        float-ext       f_l_n
 r2 = log(r1);  r2 = log(r1);
   
 flnp1           r1 -- r2        float-ext  flnp1           r1 -- r2        float-ext       f_l_n_p_one
 ""@i{r2}=ln(@i{r1}+1)""  ""@i{r2}=ln(@i{r1}+1)""
 #ifdef HAVE_LOG1P  #ifdef HAVE_LOG1P
 extern double  extern double
Line 1877  r2 = log1p(r1); Line 1950  r2 = log1p(r1);
 r2 = log(r1+1.);  r2 = log(r1+1.);
 #endif  #endif
   
 flog            r1 -- r2        float-ext  flog            r1 -- r2        float-ext       f_log
 ""the decimal logarithm""  ""The decimal logarithm.""
 r2 = log10(r1);  r2 = log10(r1);
   
 falog           r1 -- r2        float-ext  falog           r1 -- r2        float-ext       f_a_log
 ""@i{r2}=10**@i{r1}""  ""@i{r2}=10**@i{r1}""
 extern double pow10(double);  extern double pow10(double);
 r2 = pow10(r1);  r2 = pow10(r1);
   
 fsin            r1 -- r2        float-ext  fsin            r1 -- r2        float-ext       f_sine
 r2 = sin(r1);  r2 = sin(r1);
   
 fsincos         r1 -- r2 r3     float-ext  fsincos         r1 -- r2 r3     float-ext       f_sine_cos
 ""@i{r2}=sin(@i{r1}), @i{r3}=cos(@i{r1})""  ""@i{r2}=sin(@i{r1}), @i{r3}=cos(@i{r1})""
 r2 = sin(r1);  r2 = sin(r1);
 r3 = cos(r1);  r3 = cos(r1);
   
 fsqrt           r1 -- r2        float-ext  fsqrt           r1 -- r2        float-ext       f_square_root
 r2 = sqrt(r1);  r2 = sqrt(r1);
   
 ftan            r1 -- r2        float-ext  ftan            r1 -- r2        float-ext       f_tan
 r2 = tan(r1);  r2 = tan(r1);
 :  :
  fsincos f/ ;   fsincos f/ ;
   
 fsinh           r1 -- r2        float-ext  fsinh           r1 -- r2        float-ext       f_cinch
 r2 = sinh(r1);  r2 = sinh(r1);
 :  :
  fexpm1 fdup fdup 1. d>f f+ f/ f+ f2/ ;   fexpm1 fdup fdup 1. d>f f+ f/ f+ f2/ ;
   
 fcosh           r1 -- r2        float-ext  fcosh           r1 -- r2        float-ext       f_cosh
 r2 = cosh(r1);  r2 = cosh(r1);
 :  :
  fexp fdup 1/f f+ f2/ ;   fexp fdup 1/f f+ f2/ ;
   
 ftanh           r1 -- r2        float-ext  ftanh           r1 -- r2        float-ext       f_tan_h
 r2 = tanh(r1);  r2 = tanh(r1);
 :  :
  f2* fexpm1 fdup 2. d>f f+ f/ ;   f2* fexpm1 fdup 2. d>f f+ f/ ;
   
 fasinh          r1 -- r2        float-ext  fasinh          r1 -- r2        float-ext       f_a_cinch
 r2 = asinh(r1);  r2 = asinh(r1);
 :  :
  fdup fdup f* 1. d>f f+ fsqrt f/ fatanh ;   fdup fdup f* 1. d>f f+ fsqrt f/ fatanh ;
   
 facosh          r1 -- r2        float-ext  facosh          r1 -- r2        float-ext       f_a_cosh
 r2 = acosh(r1);  r2 = acosh(r1);
 :  :
  fdup fdup f* 1. d>f f- fsqrt f+ fln ;   fdup fdup f* 1. d>f f- fsqrt f+ fln ;
   
 fatanh          r1 -- r2        float-ext  fatanh          r1 -- r2        float-ext       f_a_tan_h
 r2 = atanh(r1);  r2 = atanh(r1);
 :  :
  fdup f0< >r fabs 1. d>f fover f- f/  f2* flnp1 f2/   fdup f0< >r fabs 1. d>f fover f- f/  f2* flnp1 f2/
  r> IF  fnegate  THEN ;   r> IF  fnegate  THEN ;
   
 sfloats         n1 -- n2        float-ext       s_floats  sfloats         n1 -- n2        float-ext       s_floats
   ""@i{n2} is the number of address units corresponding to @i{n1}
   single-precision IEEE floating-point numbers.""
 n2 = n1*sizeof(SFloat);  n2 = n1*sizeof(SFloat);
   
 dfloats         n1 -- n2        float-ext       d_floats  dfloats         n1 -- n2        float-ext       d_floats
   ""@i{n2} is the number of address units corresponding to @i{n1}
   double-precision IEEE floating-point numbers.""
 n2 = n1*sizeof(DFloat);  n2 = n1*sizeof(DFloat);
   
 sfaligned       c_addr -- sf_addr       float-ext       s_f_aligned  sfaligned       c_addr -- sf_addr       float-ext       s_f_aligned
   "" @i{sf-addr} is the first single-float-aligned address greater
   than or equal to @i{c-addr}.""
 sf_addr = (SFloat *)((((Cell)c_addr)+(sizeof(SFloat)-1))&(-sizeof(SFloat)));  sf_addr = (SFloat *)((((Cell)c_addr)+(sizeof(SFloat)-1))&(-sizeof(SFloat)));
 :  :
  [ 1 sfloats 1- ] Literal + [ -1 sfloats ] Literal and ;   [ 1 sfloats 1- ] Literal + [ -1 sfloats ] Literal and ;
   
 dfaligned       c_addr -- df_addr       float-ext       d_f_aligned  dfaligned       c_addr -- df_addr       float-ext       d_f_aligned
   "" @i{df-addr} is the first double-float-aligned address greater
   than or equal to @i{c-addr}.""
 df_addr = (DFloat *)((((Cell)c_addr)+(sizeof(DFloat)-1))&(-sizeof(DFloat)));  df_addr = (DFloat *)((((Cell)c_addr)+(sizeof(DFloat)-1))&(-sizeof(DFloat)));
 :  :
  [ 1 dfloats 1- ] Literal + [ -1 dfloats ] Literal and ;   [ 1 dfloats 1- ] Literal + [ -1 dfloats ] Literal and ;
Line 2101  UP=up=(char *)a_addr; Line 2182  UP=up=(char *)a_addr;
 :  :
  up ! ;   up ! ;
 Variable UP  Variable UP
   
   wcall   u --    gforth
   IF_FTOS(fp[0]=FTOS);
   FP=fp;
   sp=(SYSCALL(Cell(*)(Cell *, void *))u)(sp, &FP);
   fp=FP;
   IF_TOS(TOS=sp[0];)
   IF_FTOS(FTOS=fp[0]);
   

Removed from v.1.23  
changed lines
  Added in v.1.41


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>