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* unpublished proprietary information of Silicon Graphics, Inc., and *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