version 1.16, 2000/08/22 18:15:38
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version 1.23, 2007/02/08 14:07:26
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\ data structures (like C structs) |
\ data structures (like C structs) |
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\ Copyright (C) 1995, 1997 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1997,2000,2003 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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: naligned ( addr1 n -- addr2 ) \ gforth |
: naligned ( addr1 n -- addr2 ) \ gforth |
\g @var{addr2} is the aligned version of @var{addr1} with respect to the |
\g @var{addr2} is the aligned version of @var{addr1} with respect to the |
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\ a field that makes no change |
\ a field that makes no change |
\ to enable accessing the offset with "['] <field> >body @" this |
\ to enable accessing the offset with "['] <field> >body @" this |
\ is not implemented with "['] noop alias" |
\ is not implemented with "['] noop alias" |
last @ |
latest |
if |
if |
immediate |
immediate |
then |
then |
Line 102 cell% 2* 2constant double%
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Line 102 cell% 2* 2constant double%
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\g similar to @code{allocate}. |
\g similar to @code{allocate}. |
nip allocate ; |
nip allocate ; |
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: %alloc ( size align -- addr ) \ gforth |
: %alloc ( align size -- addr ) \ gforth |
\g Allocate @var{size} address units with alignment @var{align}, |
\g Allocate @var{size} address units with alignment @var{align}, |
\g giving a data block at @var{addr}; @code{throw} an ior code |
\g giving a data block at @var{addr}; @code{throw} an ior code |
\g if not successful. |
\g if not successful. |