subsystems/ntvdm/ntvdm.h

   1 /*
   2  * COPYRIGHT:       GPL - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            ntvdm.h
   5  * PURPOSE:         Header file to define commonly used stuff
   6  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
   7  */
   8
   9 #ifndef _NTVDM_H_
  10 #define _NTVDM_H_
  11
  12 /* INCLUDES *******************************************************************/
  13
  14 #include <stdio.h>
  15 #include <stdarg.h>
  16 #include <conio.h>
  17
  18 #include <windows.h>
  19
  20 #include <debug.h>
  21
  22 /* DEFINES ********************************************************************/
  23
  24 #define TO_LINEAR(seg, off) (((seg) << 4) + (off))
  25 #define MAX_SEGMENT 0xFFFF
  26 #define MAX_OFFSET  0xFFFF
  27 #define MAX_ADDRESS TO_LINEAR(MAX_SEGMENT, MAX_OFFSET)
  28
  29 #define FAR_POINTER(x)  \
  30     (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR(HIWORD(x), LOWORD(x)))
  31
  32 #define SEG_OFF_TO_PTR(seg, off)    \
  33     (PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), (off)))
  34
  35 #define STEPS_PER_CYCLE 256
  36
  37 /* FUNCTIONS ******************************************************************/
  38
  39 extern LPVOID BaseAddress;
  40 extern BOOLEAN VdmRunning;
  41 extern LPCWSTR ExceptionName[];
  42
  43 VOID DisplayMessage(LPCWSTR Format, ...);
  44
  45 #endif // _NTVDM_H_
  46
  47 /* EOF */