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/*====================================================================
 * os_system.h
 *
 * Copyright 1995, Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
 * Inc.; the contents of this file may not be disclosed to third
 * parties, copied or duplicated in any form, in whole or in part,
 * without the prior written permission of Silicon Graphics, Inc.
 *
 * RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to
 * restrictions as set forth in subdivision (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS
 * 252.227-7013, and/or in similar or successor clauses in the FAR,
 * DOD or NASA FAR Supplement. Unpublished - rights reserved under the
 * Copyright Laws of the United States.
 *====================================================================*/

/*---------------------------------------------------------------------*
        Copyright (C) 1998 Nintendo. (Originated by SGI)
        
        $RCSfile: os_system.h,v $
        $Revision: 1.1 $
        $Date: 1998/10/09 08:01:18 $
 *---------------------------------------------------------------------*/

#ifndef _OS_SYSTEM_H_
#define	_OS_SYSTEM_H_

#ifdef _LANGUAGE_C_PLUS_PLUS
extern "C" {
#endif

#include <PR/ultratypes.h>

#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)

/**************************************************************************
 *
 * Type definitions
 *
 */


#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */

/**************************************************************************
 *
 * Global definitions
 *
 */

/*
 * Values for osTvType 
 */
#define	OS_TV_PAL		0
#define	OS_TV_NTSC		1
#define	OS_TV_MPAL		2

/*
 * Size of buffer the retains contents after NMI
 */
#define OS_APP_NMI_BUFSIZE	64


#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)

/**************************************************************************
 *
 * Macro definitions
 *
 */


/**************************************************************************
 *
 * Extern variables
 *
 */

extern s32 	osRomType;	/* Bulk or cartridge ROM. 0=cartridge 1=bulk */
extern void 	*osRomBase;	/* Rom base address of the game image */
extern s32 	osTvType;	/* 0 = PAL, 1 = NTSC, 2 = MPAL */
extern s32 	osResetType;	/* 0 = cold reset, 1 = NMI */
extern s32 	osCicId;
extern s32 	osVersion;
extern u32	osMemSize;	/* Memory Size */
extern s32	osAppNMIBuffer[];

extern u64	osClockRate;

extern OSIntMask __OSGlobalIntMask;	/* global interrupt mask */


/**************************************************************************
 *
 * Function prototypes
 *
 */

extern void		osInitialize(void);
extern void		osExit(void);
extern u32 		osGetMemSize(void);

/* pre-NMI */
extern s32		osAfterPreNMI(void);


#endif  /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */

#ifdef _LANGUAGE_C_PLUS_PLUS
}
#endif

#endif /* !_OS_SYSTEM_H_ */