Viewing file:  riscos.h (1.99 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
** -----------------------------------------------------------------------------
**
** Perle Specialix driver for Linux
** Ported from existing RIO Driver for SCO sources.
*
* (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
*
* This program 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.
**
** Module : riscos.h
** SID : 1.2
** Last Modified : 11/6/98 11:34:19
** Retrieved : 11/6/98 11:34:22
**
** ident @(#)riscos.h 1.2
**
** -----------------------------------------------------------------------------
*/
#ifndef __rio_riscos_h__
#define __rio_riscos_h__
#ifdef SCCS_LABELS
static char *_riscos_h_sccs_ = "@(#)riscos.h 1.2";
#endif
/*
** This module used to define all those little itsy bits required for RISC/OS
** now it's full of null macros.
*/
/*
** RBYTE reads a byte from a location.
** RWORD reads a word from a location.
** WBYTE writes a byte to a location.
** WWORD writes a word to a location.
** RINDW reads a word through a pointer.
** WINDW writes a word through a pointer.
** RIOSWAB swaps the two bytes of a word, if needed.
*/
#define RIOSWAB(N) (N)
#define WBYTE(A,V) (A)=(uchar)(V)
#define WWORD(A,V) (A)=(ushort)(V)
#define RBYTE(A) (uchar)(A)
#define RWORD(A) (ushort)(A)
#define RINDW(A) (*(ushort *)(A))
#define WINDW(A,V) (*(ushort *)(A)=(ushort)(V))
#endif /* __rio_riscos_h__ */
|