/*
 * COPYRIGHT:       GPL - See COPYING in the top level directory
 * PROJECT:         ReactOS Virtual DOS Machine
 * FILE:            ntvdm.h
 * PURPOSE:         Header file to define commonly used stuff
 * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
 */

#ifndef _NTVDM_H_
#define _NTVDM_H_

/* INCLUDES *******************************************************************/

#include <stdio.h>
#include <stdarg.h>
#include <conio.h>

#define WIN32_NO_STATUS
#include <windows.h>

#include <debug.h>

/* DEFINES ********************************************************************/

#define TO_LINEAR(seg, off) (((seg) << 4) + (off))
#define MAX_SEGMENT 0xFFFF
#define MAX_OFFSET  0xFFFF
#define MAX_ADDRESS 0x1000000 // 16 MB of RAM

#define FAR_POINTER(x)  \
    (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR(HIWORD(x), LOWORD(x)))

#define SEG_OFF_TO_PTR(seg, off)    \
    (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), (off)))

#define STEPS_PER_CYCLE 256

/* FUNCTIONS ******************************************************************/

extern LPVOID BaseAddress;
extern BOOLEAN VdmRunning;

VOID DisplayMessage(LPCWSTR Format, ...);

#endif // _NTVDM_H_

/* EOF */