Subversion Repositories s80186

// Copyright Jamie Iles, 2017

//

// This file is part of s80x86.

//

// s80x86 is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// s80x86 is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with s80x86.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

struct __attribute__((packed)) bios_data_area {

    unsigned short com_addresses[4];

    unsigned short lpt_addresses[4];

    unsigned short equipment_list;

    unsigned char ir_kbd_error_count;

    unsigned short mem_kbytes;

    unsigned char reserved1;

    unsigned char ps2_bios_control;

    unsigned char keyboard_flags[2];

    unsigned char keypad_entry;

    unsigned short kbd_buffer_head;

    unsigned short kbd_buffer_tail;

    unsigned short kbd_buffer[16];

    unsigned char drive_recalibration_status;

    unsigned char diskette_motor_status;

    unsigned char motor_shutoff_count;

    unsigned char diskette_status;

    unsigned char nec_diskette_motor_status[7];

    unsigned char video_mode;

    unsigned short num_screen_cols;

    unsigned short video_regen_buffer_bytes;

    unsigned short video_regen_offset;

    unsigned short cursor_offsets[8];

    unsigned char cursor_end;

    unsigned char cursor_start;

    unsigned char active_page;

    unsigned short crt_controller_base;

    unsigned char crt_mode_control;

    unsigned char cga_pallette_mask;

    unsigned char cassette_take_ctrl[5];

    unsigned short timer_counter_low;

    unsigned short timer_counter_high;

    unsigned char clock_rollover;

    unsigned char break_hit;

    unsigned short soft_reset_flag;

    unsigned char hard_disk_status;

    unsigned char num_hard_disks;

    unsigned char fixed_disk_control;

    unsigned char fixed_disk_controller_port;

    unsigned long parallel_timeout;

    unsigned long serial_timeout;

    unsigned short keyboard_buffer_start;

    unsigned short keyboard_buffer_end;

    unsigned char last_screen_row;

};