ref: 50492913a5bc5186c79471e14e85ce513c271204
dir: /Game/src/audiolib/dpmi.h/
/*
Copyright (C) 1994-1995 Apogee Software, Ltd.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**********************************************************************
module: DPMI.H
author: James R. Dose
date: March 31, 1994
Inline functions for performing DPMI calls.
(c) Copyright 1994 James R. Dose. All Rights Reserved.
**********************************************************************/
#ifndef __DPMI_H
#define __DPMI_H
#include <inttypes.h>
enum DPMI_Errors
{
DPMI_Warning = -2,
DPMI_Error = -1,
DPMI_Ok = 0
};
typedef struct
{
uint32_t EDI;
uint32_t ESI;
uint32_t EBP;
uint32_t Reserved;
uint32_t EBX;
uint32_t EDX;
uint32_t ECX;
uint32_t EAX;
uint32_t Flags;
uint32_t ES;
uint32_t DS;
uint32_t FS;
uint32_t GS;
uint32_t IP;
uint16_t CS;
uint16_t SP;
uint16_t SS;
} dpmi_regs;
uint32_t DPMI_GetRealModeVector( int num );
int DPMI_CallRealModeFunction( dpmi_regs *callregs );
int DPMI_GetDOSMemory( void **ptr, void **descriptor, unsigned length );
int DPMI_FreeDOSMemory( void *descriptor );
int DPMI_LockMemory( void *address, unsigned length );
int DPMI_LockMemoryRegion( void *start, void *end );
int DPMI_UnlockMemory( void *address, unsigned length );
int DPMI_UnlockMemoryRegion( void *start, void *end );
#define DPMI_Lock( variable ) \
( DPMI_LockMemory( &( variable ), sizeof( variable ) ) )
#define DPMI_Unlock( variable ) \
( DPMI_UnlockMemory( &( variable ), sizeof( variable ) ) )
#endif