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442302eeb3
Give the virtual machine 16 MB of memory, for DOS extenders, protected mode programs, etc... EMS is still not implemented. svn path=/branches/ntvdm/; revision=60937
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* COPYRIGHT: GPL - See COPYING in the top level directory
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* PROJECT: ReactOS Virtual DOS Machine
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* FILE: ntvdm.h
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* PURPOSE: Header file to define commonly used stuff
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* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
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*/
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#ifndef _NTVDM_H_
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#define _NTVDM_H_
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/* INCLUDES *******************************************************************/
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#include <stdio.h>
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#include <stdarg.h>
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#include <conio.h>
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#define WIN32_NO_STATUS
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#include <windows.h>
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#include <debug.h>
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/* DEFINES ********************************************************************/
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#define TO_LINEAR(seg, off) (((seg) << 4) + (off))
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#define MAX_SEGMENT 0xFFFF
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#define MAX_OFFSET 0xFFFF
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#define MAX_ADDRESS 0x1000000 // 16 MB of RAM
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#define FAR_POINTER(x) \
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(PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR(HIWORD(x), LOWORD(x)))
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#define SEG_OFF_TO_PTR(seg, off) \
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(PVOID)((ULONG_PTR)BaseAddress + TO_LINEAR((seg), (off)))
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#define STEPS_PER_CYCLE 256
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/* FUNCTIONS ******************************************************************/
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extern LPVOID BaseAddress;
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extern BOOLEAN VdmRunning;
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VOID DisplayMessage(LPCWSTR Format, ...);
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#endif // _NTVDM_H_
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/* EOF */
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