548e40f4603ec2c7bc9f1f58e94a21cba15b0fb8
2 * COPYRIGHT: GPL - See COPYING in the top level directory
3 * PROJECT: ReactOS Virtual DOS Machine
5 * PURPOSE: VDM BIOS (header file)
6 * PROGRAMMERS: Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
12 /* INCLUDES *******************************************************************/
16 /* DEFINES ********************************************************************/
18 #define CONSOLE_VIDEO_MEM_START 0xB8000
19 #define CONSOLE_VIDEO_MEM_END 0xBFFFF
20 #define ROM_AREA_START 0xC0000
21 #define ROM_AREA_END 0xFFFFF
22 #define BIOS_PIC_MASTER_INT 0x08
23 #define BIOS_PIC_SLAVE_INT 0x70
24 #define BIOS_SEGMENT 0xF000
25 #define BIOS_VIDEO_INTERRUPT 0x10
26 #define BIOS_KBD_INTERRUPT 0x16
27 #define BIOS_TIME_INTERRUPT 0x1A
28 #define CONSOLE_FONT_HEIGHT 8
29 #define BIOS_KBD_BUFFER_SIZE 256
31 /* FUNCTIONS ******************************************************************/
33 BOOLEAN
BiosInitialize();
34 VOID
BiosUpdateConsole(ULONG StartAddress
, ULONG EndAddress
);
35 VOID
BiosUpdateVideoMemory(ULONG StartAddress
, ULONG EndAddress
);
36 WORD
BiosPeekCharacter();
37 WORD
BiosGetCharacter();
38 VOID
BiosVideoService();
39 VOID
BiosKeyboardService();
40 VOID
BiosTimeService();
41 VOID
BiosHandleIrq(BYTE IrqNumber
);