reactos/subsystems/ntvdm/bios.h
Aleksandar Andrejevic 988c4490a8 [NTVDM]
Fix bugs in video memory access emulation.
Implement several missing INT 10h functions.
Resize the console screen buffer on startup.


svn path=/branches/ntvdm/; revision=59421
2013-07-03 23:38:51 +00:00

49 lines
1.4 KiB
C

/*
* COPYRIGHT: GPL - See COPYING in the top level directory
* PROJECT: ReactOS Virtual DOS Machine
* FILE: bios.h
* PURPOSE: VDM BIOS (header file)
* PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
*/
#ifndef _BIOS_H_
#define _BIOS_H_
/* INCLUDES *******************************************************************/
#include "ntvdm.h"
/* DEFINES ********************************************************************/
#define CONSOLE_VIDEO_MEM_START 0xB8000
#define CONSOLE_VIDEO_MEM_END 0xBFFFF
#define ROM_AREA_START 0xC0000
#define ROM_AREA_END 0xFFFFF
#define BIOS_PIC_MASTER_INT 0x08
#define BIOS_PIC_SLAVE_INT 0x70
#define BIOS_SEGMENT 0xF000
#define BIOS_VIDEO_INTERRUPT 0x10
#define BIOS_EQUIPMENT_INTERRUPT 0x11
#define BIOS_KBD_INTERRUPT 0x16
#define BIOS_TIME_INTERRUPT 0x1A
#define CONSOLE_WIDTH 80
#define CONSOLE_HEIGHT 25
#define CONSOLE_FONT_HEIGHT 8
#define BIOS_KBD_BUFFER_SIZE 256
#define BIOS_EQUIPMENT_LIST 0x3C // HACK: Disable FPU for now
/* FUNCTIONS ******************************************************************/
BOOLEAN BiosInitialize();
VOID BiosUpdateConsole(ULONG StartAddress, ULONG EndAddress);
VOID BiosUpdateVideoMemory(ULONG StartAddress, ULONG EndAddress);
WORD BiosPeekCharacter();
WORD BiosGetCharacter();
VOID BiosVideoService();
VOID BiosEquipmentService();
VOID BiosKeyboardService();
VOID BiosTimeService();
VOID BiosHandleIrq(BYTE IrqNumber);
#endif