riscos.h
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- /*
- ** -----------------------------------------------------------------------------
- **
- ** 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__ */