sm64pc/include/PR/mbi.h

103 lines
3.0 KiB
C
Raw Normal View History

2020-05-05 12:15:53 +00:00
#ifndef _MBI_H_
#define _MBI_H_
#include "platform_info.h"
/**************************************************************************
* *
* Copyright (C) 1994, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
/**************************************************************************
*
* $Revision: 1.136 $
* $Date: 1999/01/05 13:04:00 $
* $Source: /hosts/gate3/exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/mbi.h,v $
*
**************************************************************************/
/*
* Header file for the Media Binary Interface
*
* NOTE: This file is included by the RSP microcode, so any C-specific
* constructs must be bracketed by #ifdef _LANGUAGE_C
*
*/
/*
* the SHIFT macros are used to build display list commands, inserting
* bit-fields into a 32-bit word. They take a value, a shift amount,
* and a width.
*
* For the left shift, the lower bits of the value are masked,
* then shifted left.
*
* For the right shift, the value is shifted right, then the lower bits
* are masked.
*
* (NOTE: _SHIFTL(v, 0, 32) won't work, just use an assignment)
*
*/
#define _SHIFTL(v, s, w) \
((unsigned int) (((unsigned int)(v) & ((0x01 << (w)) - 1)) << (s)))
#define _SHIFTR(v, s, w) \
((unsigned int)(((unsigned int)(v) >> (s)) & ((0x01 << (w)) - 1)))
#define _SHIFT _SHIFTL /* old, for compatibility only */
#define G_ON (1)
#define G_OFF (0)
/**************************************************************************
*
* Graphics Binary Interface
*
**************************************************************************/
#include <PR/gbi.h>
/**************************************************************************
*
* Audio Binary Interface
*
**************************************************************************/
#include <PR/abi.h>
/**************************************************************************
*
* Task list
*
**************************************************************************/
#define M_GFXTASK 1
#define M_AUDTASK 2
#define M_VIDTASK 3
#define M_HVQTASK 6
#define M_HVQMTASK 7
/**************************************************************************
*
* Segment macros and definitions
*
**************************************************************************/
#define NUM_SEGMENTS (16)
#define SEGMENT_OFFSET(a) ((unsigned int)(a) & 0x00ffffff)
#define SEGMENT_NUMBER(a) (((unsigned int)(a) << 4) >> 28)
#define SEGMENT_ADDR(num, off) (((num) << 24) + (off))
#ifndef NULL
#define NULL 0
#endif
#endif /* !_MBI_H_ */