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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//****************************************************************************
// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Core/biosdata.h 7 1/12/10 11:46a Olegi $
//
// $Revision: 7 $
//
// $Date: 1/12/10 11:46a $
//
//****************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Core/biosdata.h $
//
// 7 1/12/10 11:46a Olegi
// Copyright message updated.
//
// 6 4/27/07 5:13p Olegi
// CSM.CHM file preparation.
//
// 5 5/16/06 1:57p Olegi
//
// 4 8/02/05 11:27a Olegi
//
// 3 3/04/05 1:51p Mandal
//
//**********************************************************************
//----------------------------------------------------------------------------
// BIOSDATA.H -- BIOS Global Data Area and EBDA
//----------------------------------------------------------------------------
#ifndef __BIOS_DATA_AREA__
#define __BIOS_DATA_AREA__
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack (1)
typedef struct _BDA_DATA {
UINT16 rs_232_address[4]; // 00 - RS232 adapters addresses
UINT16 printer_address[3]; // 08 - Printer addresses
UINT16 ext_bios_data_seg; // 0E - Segment pointer to EBDA
UINT16 machine_config; // 10 - Hardware Equipment Status
UINT8 test_scratch; // 12 - Scratch byte during init
UINT16 system_memory; // 13 - System Memory in KBytes
UINT8 sys_info; // 15 - miscellaneous system info
UINT8 dummy_byte_1; // 16
UINT8 kb_stat_flag; // 17 - Keyboard Status Flag
UINT8 kb_hold_flag; // 18 - Toggle key's hold flag
UINT8 kb_alt_char; // 19 - Alt_character byte
UINT16 kb_buf_head_ptr; // 1A - Keyboard buffer head pointer
UINT16 kb_buf_tail_ptr; // 1C - Keyboard buffer tail pointer
UINT16 kb_buffer[16]; // 1E - Keyboard buffer (15 char max)
UINT8 recal_int_flag; // 3E - Status for recalibration
UINT8 motor_status_flag; // 3F - Status for drive motors
UINT8 motor_time_count; // 40 - Turn off time for motor
UINT8 floppy_io_status; // 41 - Return code status byte
UINT8 task_file[7]; // 42 - A.K.A. fdc_8272_status
UINT8 mode_of_vdo; // 49 - Current Video Mode (set by user)
UINT16 columns_of_vdo; // 4A - Number of columns per row
UINT16 page_length; // 4C - Number of bytes per Video Page
UINT16 page_start; // 4E - Start address of Active Video Page
UINT16 position_of_cursor[8]; // 50 - Cursor position for each Video Page
UINT16 mode_of_cursor; // 60 - Current cursor mode setting
UINT8 active_page_no; // 62 - Current display page no
UINT16 address_of_6845; // 63 - Address of 6845 index reg
UINT8 current_mode_set; // 65 - Mode set in 6845 control port
UINT8 current_palette; // 66 - Current palette set
//---------------------------------------
// POST DATA STORAGES
//---------------------------------------
UINT16 offset_shutdown; // 67 - Offset of shutdown routine
UINT16 segment_shutdown; // 69 - Segment of shutdown routine
UINT8 interrupt_flag; // 6B - Interrupt flag
//----------------------------------------------------------------------------
// TIMER DATA STORAGES
//----------------------------------------------------------------------------
//UINT16 timer_low_count; // 6C - Low Word of timer count
//UINT16 timer_high_count; // 6E - High Word of timer count
UINT32 timer_count; // 6C - timer count
UINT8 timer_count_rolled; // 70 - Timer Rolled Over
//----------------------------------------------------------------------------
// BIOS DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT8 break_flag; // 71 - Flag for CTRL-BREAK key key
UINT16 dummy_word; // 72 - Unused data word
//----------------------------------------------------------------------------
// WINCHESTER DATA STORAGES
//----------------------------------------------------------------------------
UINT8 winch_status; // 74 - Status of Hard Disk operation
UINT8 winch_number; // 75 - Number of Hard Disk drives
UINT8 winch_control_byte; // 76
UINT8 dummy_byte_2; // 77
//----------------------------------------------------------------------------
// PRINTER & RS232 DATA STORAGES
//----------------------------------------------------------------------------
UINT8 print_time_max[4]; // 78 - Maximum time for printing
UINT8 rs_232_time_max[4]; // 7C - Maximum transmission time for COM ports
//----------------------------------------------------------------------------
// KEYBOARD DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT16 kb_buff_begin; // 80 - Start address of Keyboard Buffer
UINT16 kb_buff_end; // 82 - End address of Keyboard Buffer
UINT8 rows_of_vdo[7]; // 84 - EGA/VGA control state
//----------------------------------------------------------------------------
// FLOPPY DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT8 last_xfer_rate; // 8B - Last data transfer rate (Floppy)
//----------------------------------------------------------------------------
// WINCHESTER DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT8 winch_stat_reg; // 8C - Hard Disk status register
UINT8 winch_error_reg; // 8D - Hard Disk error register, a.k.a. iraid_int_flag
UINT8 winch_int_flag; // 8E - Hard Disk interrupt status
//----------------------------------------------------------------------------
// FLOPPY DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT8 duel_card; // 8F - Availability of 1.2M Floppy Drive
UINT8 current_floppy_media[2]; // 90 - Type of floppy drive/media
UINT8 run_scratch1; // 92 - Runtime Scratch data byte 1
UINT8 run_scratch2; // 93 - Runtime Scratch data byte 1
UINT8 current_cylinder[2];// 94 - Cylinder position of Floppy Disk
//----------------------------------------------------------------------------
// KEYBOARD DATA STORAGES EXTENDED
//----------------------------------------------------------------------------
UINT8 dummy_byte_3; // 96 - Keyboard Type byte
UINT8 kb_leds_flag; // 97 - Keyboard LED's status byte
//----------------------------------------------------------------------------
// REAL TIME CLOCK DATA STORAGES
//----------------------------------------------------------------------------
UINT16 user_flag_offset; // 98 - Offset of user defined flag
UINT16 user_flag_segment; // 9A - Segment of user defined flag
UINT16 user_wait_low; // 9C - Low WORD of user defined time
UINT16 user_wait_high; // 9E - High WORD of user defined time
UINT8 user_wait_flag[23]; // A0 - User defined time active flag, Video data area
//----------------------------------------------------------------------------
// APM HANDLING BIOS DATA AREA USED FOR GREEN PC/NOTE BOOK
//----------------------------------------------------------------------------
UINT8 apm_data[73]; // B7
UINT8 prtsc_status_flag; // 100 - Print Screen status byte
} BDA_DATA;
#pragma pack ()
/****** DO NOT WRITE BELOW THIS LINE *******/
#ifdef __cplusplus
}
#endif
#endif
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2010, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
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