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/*
* Copyright (C) 2002-2004 The DOSBox Team
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _BIOS_H_
#define _BIOS_H_
#define BIOS_BASE_ADDRESS_COM1 0x400
#define BIOS_BASE_ADDRESS_COM2 0x402
#define BIOS_BASE_ADDRESS_COM3 0x404
#define BIOS_BASE_ADDRESS_COM4 0x406
#define BIOS_ADDRESS_LPT1 0x408
#define BIOS_ADDRESS_LPT2 0x40a
#define BIOS_ADDRESS_LPT3 0x40c
/* 0x40e is reserved */
#define BIOS_CONFIGURATION 0x410
/* 0x412 is reserved */
#define BIOS_MEMORY_SIZE 0x413
/* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */
#define BIOS_KEYBOARD_STATE 0x417
#define BIOS_KEYBOARD_FLAGS1 BIOS_KEYBOARD_STATE
#define BIOS_KEYBOARD_FLAGS2 0x418
#define BIOS_KEYBOARD_TOKEN 0x419
/* used for keyboard input with Alt-Number */
#define BIOS_KEYBOARD_BUFFER_HEAD 0x41a
#define BIOS_KEYBOARD_BUFFER_TAIL 0x41c
#define BIOS_KEYBOARD_BUFFER 0x41e
/* #define bios_keyboard_buffer (*(unsigned int *) 0x41e) */
#define BIOS_DRIVE_ACTIVE 0x43e
#define BIOS_DRIVE_RUNNING 0x43f
#define BIOS_DISK_MOTOR_TIMEOUT 0x440
#define BIOS_DISK_STATUS 0x441
/* #define bios_fdc_result_buffer (*(unsigned short *) 0x442) */
#define BIOS_VIDEO_MODE 0x449
#define BIOS_SCREEN_COLUMNS 0x44a
#define BIOS_VIDEO_MEMORY_USED 0x44c
#define BIOS_VIDEO_MEMORY_ADDRESS 0x44e
#define BIOS_VIDEO_CURSOR_POS 0x450
#define BIOS_CURSOR_SHAPE 0x460
#define BIOS_CURSOR_LAST_LINE 0x460
#define BIOS_CURSOR_FIRST_LINE 0x461
#define BIOS_CURRENT_SCREEN_PAGE 0x462
#define BIOS_VIDEO_PORT 0x463
#define BIOS_VDU_CONTROL 0x465
#define BIOS_VDU_COLOR_REGISTER 0x466
/* 0x467-0x468 is reserved */
#define BIOS_TIMER 0x46c
#define BIOS_24_HOURS_FLAG 0x470
#define BIOS_KEYBOARD_FLAGS 0x471
#define BIOS_CTRL_ALT_DEL_FLAG 0x472
#define BIOS_HARDDISK_COUNT 0x475
/* 0x474, 0x476, 0x477 is reserved */
#define BIOS_LPT1_TIMEOUT 0x478
#define BIOS_LPT2_TIMEOUT 0x479
#define BIOS_LPT3_TIMEOUT 0x47a
/* 0x47b is reserved */
#define BIOS_COM1_TIMEOUT 0x47c
#define BIOS_COM2_TIMEOUT 0x47d
/* 0x47e is reserved */
/* 0x47f-0x4ff is unknow for me */
#define BIOS_KEYBOARD_BUFFER_START 0x480
#define BIOS_KEYBOARD_BUFFER_END 0x482
#define BIOS_ROWS_ON_SCREEN_MINUS_1 0x484
#define BIOS_FONT_HEIGHT 0x485
#define BIOS_VIDEO_INFO_0 0x487
#define BIOS_VIDEO_INFO_1 0x488
#define BIOS_VIDEO_INFO_2 0x489
#define BIOS_VIDEO_COMBO 0x48a
#define BIOS_KEYBOARD_FLAGS3 0x496
#define BIOS_KEYBOARD_LEDS 0x497
#define BIOS_WAIT_FLAG_POINTER 0x498
#define BIOS_WAIT_FLAG_COUNT 0x49c
#define BIOS_WAIT_FLAG_ACTIVE 0x4a0
#define BIOS_WAIT_FLAG_TEMP 0x4a1
#define BIOS_PRINT_SCREEN_FLAG 0x500
#define BIOS_VIDEO_SAVEPTR 0x4a8
/* The Section handling Bios Disk Access */
#define BIOS_MAX_DISK 10
struct diskGeo {
Bit32u ksize; /* Size in kilobytes */
Bit16u secttrack; /* Sectors per track */
Bit16u headscyl; /* Heads per cylinder */
Bit16u cylcount; /* Cylinders per side */
Bit16u biosval; /* Type to return from BIOS */
};
extern diskGeo DiskGeometryList[];
#include <stdio.h>
#include "mem.h"
#include "dos_inc.h"
class imageDisk {
public:
Bit8u Read_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
Bit8u Write_Sector(Bit32u head,Bit32u cylinder,Bit32u sector,void * data);
Bit8u Read_AbsoluteSector(Bit32u sectnum, void * data);
Bit8u Write_AbsoluteSector(Bit32u sectnum, void * data);
void Set_Geometry(Bit32u setHeads, Bit32u setCyl, Bit32u setSect, Bit32u setSectSize);
void Get_Geometry(Bit32u * getHeads, Bit32u *getCyl, Bit32u *getSect, Bit32u *getSectSize);
Bit8u GetBiosType(void);
Bit32u getSectSize(void);
imageDisk(FILE *imgFile, Bit8u *imgName, Bit32u imgSizeK, bool isHardDisk);
~imageDisk() { if(diskimg != NULL) { fclose(diskimg); } };
bool hardDrive;
bool active;
FILE *diskimg;
Bit8u diskname[512];
Bit8u floppytype;
Bit32u sector_size;
Bit32u heads,cylinders,sectors;
};
void updateDPT(void);
#define MAX_HDD_IMAGES 2
extern imageDisk *imageDiskList[2 + MAX_HDD_IMAGES];
extern imageDisk *diskSwap[20];
extern Bits swapPosition;
extern Bit16u imgDTASeg; /* Real memory location of temporary DTA pointer for fat image disk access */
extern RealPt imgDTAPtr; /* Real memory location of temporary DTA pointer for fat image disk access */
extern DOS_DTA *imgDTA;
void swapInDisks(void);
void swapInNextDisk(void);
void BIOS_ZeroExtendedSize(void);
void char_out(Bit8u chr,Bit32u att,Bit8u page);
void INT10_StartUp(void);
void INT16_StartUp(void);
void INT2A_StartUp(void);
void INT2F_StartUp(void);
void INT33_StartUp(void);
void INT13_StartUp(void);
#endif
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