mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-30 16:16:09 +02:00
127 lines
4.6 KiB
C++
127 lines
4.6 KiB
C++
/*
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* Copyright (C) 2002-2004 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#define BIOS_BASE_ADDRESS_COM1 0x400
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#define BIOS_BASE_ADDRESS_COM2 0x402
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#define BIOS_BASE_ADDRESS_COM3 0x404
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#define BIOS_BASE_ADDRESS_COM4 0x406
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#define BIOS_ADDRESS_LPT1 0x408
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#define BIOS_ADDRESS_LPT2 0x40a
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#define BIOS_ADDRESS_LPT3 0x40c
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/* 0x40e is reserved */
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#define BIOS_CONFIGURATION 0x410
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/* 0x412 is reserved */
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#define BIOS_MEMORY_SIZE 0x413
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/* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */
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#define BIOS_KEYBOARD_STATE 0x417
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#define BIOS_KEYBOARD_FLAGS1 BIOS_KEYBOARD_STATE
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#define BIOS_KEYBOARD_FLAGS2 0x418
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#define BIOS_KEYBOARD_TOKEN 0x419
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/* used for keyboard input with Alt-Number */
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#define BIOS_KEYBOARD_BUFFER_HEAD 0x41a
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#define BIOS_KEYBOARD_BUFFER_TAIL 0x41c
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#define BIOS_KEYBOARD_BUFFER 0x41e
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/* #define bios_keyboard_buffer (*(unsigned int *) 0x41e) */
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#define BIOS_DRIVE_ACTIVE 0x43e
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#define BIOS_DRIVE_RUNNING 0x43f
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#define BIOS_DISK_MOTOR_TIMEOUT 0x440
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#define BIOS_DISK_STATUS 0x441
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/* #define bios_fdc_result_buffer (*(unsigned short *) 0x442) */
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#define BIOS_VIDEO_MODE 0x449
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#define BIOS_SCREEN_COLUMNS 0x44a
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#define BIOS_VIDEO_MEMORY_USED 0x44c
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#define BIOS_VIDEO_MEMORY_ADDRESS 0x44e
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#define BIOS_VIDEO_CURSOR_POS 0x450
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#define BIOS_CURSOR_SHAPE 0x460
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#define BIOS_CURSOR_LAST_LINE 0x460
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#define BIOS_CURSOR_FIRST_LINE 0x461
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#define BIOS_CURRENT_SCREEN_PAGE 0x462
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#define BIOS_VIDEO_PORT 0x463
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#define BIOS_VDU_CONTROL 0x465
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#define BIOS_VDU_COLOR_REGISTER 0x466
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/* 0x467-0x468 is reserved */
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#define BIOS_TIMER 0x46c
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#define BIOS_24_HOURS_FLAG 0x470
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#define BIOS_KEYBOARD_FLAGS 0x471
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#define BIOS_CTRL_ALT_DEL_FLAG 0x472
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#define BIOS_HARDDISK_COUNT 0x475
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/* 0x474, 0x476, 0x477 is reserved */
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#define BIOS_LPT1_TIMEOUT 0x478
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#define BIOS_LPT2_TIMEOUT 0x479
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#define BIOS_LPT3_TIMEOUT 0x47a
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/* 0x47b is reserved */
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#define BIOS_COM1_TIMEOUT 0x47c
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#define BIOS_COM2_TIMEOUT 0x47d
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/* 0x47e is reserved */
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/* 0x47f-0x4ff is unknow for me */
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#define BIOS_KEYBOARD_BUFFER_START 0x480
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#define BIOS_KEYBOARD_BUFFER_END 0x482
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#define BIOS_ROWS_ON_SCREEN_MINUS_1 0x484
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#define BIOS_FONT_HEIGHT 0x485
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#define BIOS_VIDEO_INFO_0 0x487
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#define BIOS_VIDEO_INFO_1 0x488
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#define BIOS_VIDEO_INFO_2 0x489
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#define BIOS_VIDEO_COMBO 0x48a
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#define BIOS_KEYBOARD_FLAGS3 0x496
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#define BIOS_KEYBOARD_LEDS 0x497
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#define BIOS_WAIT_FLAG_POINTER 0x498
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#define BIOS_WAIT_FLAG_COUNT 0x49c
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#define BIOS_WAIT_FLAG_ACTIVE 0x4a0
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#define BIOS_PRINT_SCREEN_FLAG 0x500
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#define BIOS_VIDEO_SAVEPTR 0x4a8
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/* The Section handling Bios Disk Access */
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#define BIOS_MAX_DISK 10
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class BIOS_Disk {
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public:
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virtual Bit8u Read_Sector(Bit8u * count,Bit8u head,Bit16u cylinder,Bit16u sector,Bit8u * data)=0;
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virtual Bit8u Write_Sector(Bit8u * count,Bit8u head,Bit16u cylinder,Bit16u sector,Bit8u * data)=0;
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};
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class imageDisk : public BIOS_Disk {
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public:
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Bit8u Read_Sector(Bit8u * count,Bit8u head,Bit16u cylinder,Bit16u sector,Bit8u * data);
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Bit8u Write_Sector(Bit8u * count,Bit8u head,Bit16u cylinder,Bit16u sector,Bit8u * data);
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imageDisk(char * file);
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private:
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Bit16u sector_size;
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Bit16u heads,cylinders,sectors;
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Bit8u * image;
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};
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void BIOS_ZeroExtendedSize(void);
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void char_out(Bit8u chr,Bit32u att,Bit8u page);
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void INT10_StartUp(void);
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void INT16_StartUp(void);
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void INT2A_StartUp(void);
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void INT2F_StartUp(void);
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void INT33_StartUp(void);
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void INT13_StartUp(void);
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