142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/*
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* bios.h BIOS functions
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*
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* =========================================================================
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*
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* Open Watcom Project
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*
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* Copyright (c) 2002-2010 Open Watcom Contributors. All Rights Reserved.
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* This file is automatically generated. Do not edit directly.
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*
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* =========================================================================
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*/
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#ifndef _BIOS_H_INCLUDED
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#define _BIOS_H_INCLUDED
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#ifndef _ENABLE_AUTODEPEND
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#pragma read_only_file;
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#endif
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#ifndef _COMDEF_H_INCLUDED
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#include <_comdef.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _M_IX86
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#pragma pack( __push, 1 )
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#else
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#pragma pack( __push, 8 )
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#endif
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struct _ibm_diskinfo_t { /* disk parameters */
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unsigned drive; /* drive number */
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unsigned head; /* head number */
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unsigned track; /* track number */
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unsigned sector; /* sector number */
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unsigned nsectors; /* number of sectors to read/write/compare */
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void _WCFAR *buffer; /* buffer to read to,write from, or compare */
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};
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#define _diskinfo_t _ibm_diskinfo
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#if !defined(NO_EXT_KEYS) /* extensions enabled */
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#define diskinfo_t _ibm_diskinfo_t
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#endif /* extensions enabled */
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/* constants for BIOS disk access functions */
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#define _DISK_RESET 0
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#define _DISK_STATUS 1
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#define _DISK_READ 2
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#define _DISK_WRITE 3
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#define _DISK_VERIFY 4
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#define _DISK_FORMAT 5
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/* constants for BIOS serial communications (RS-232) support */
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/* serial port services */
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#define _COM_INIT 0 /* init serial port */
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#define _COM_SEND 1 /* send character */
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#define _COM_RECEIVE 2 /* receive character */
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#define _COM_STATUS 3 /* get serial port status */
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/* serial port initializers. One and only one constant from each of the
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* following four groups - character size, stop bit, parity, and baud rate -
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* must be specified in the initialization byte.
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*/
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/* character size initializers */
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#define _COM_CHR7 2 /* 7 bits characters */
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#define _COM_CHR8 3 /* 8 bits characters */
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/* stop bit values - on or off */
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#define _COM_STOP1 0 /* 1 stop bit */
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#define _COM_STOP2 4 /* 2 stop bits */
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/* parity initializers */
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#define _COM_NOPARITY 0 /* no parity */
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#define _COM_ODDPARITY 8 /* odd parity */
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#define _COM_SPACEPARITY 16 /* space parity */
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#define _COM_EVENPARITY 24 /* even parity */
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/* baud rate initializers */
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#define _COM_110 0 /* 110 baud */
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#define _COM_150 32 /* 150 baud */
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#define _COM_300 64 /* 300 baud */
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#define _COM_600 96 /* 600 baud */
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#define _COM_1200 128 /* 1200 baud */
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#define _COM_2400 160 /* 2400 baud */
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#define _COM_4800 192 /* 4800 baud */
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#define _COM_9600 224 /* 9600 baud */
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/* keyboard services */
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#define _KEYBRD_READ 0 /* read next character from keyboard */
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#define _KEYBRD_READY 1 /* check for keystroke */
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#define _KEYBRD_SHIFTSTATUS 2 /* get current shift key status */
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/* services for enhanced keyboards */
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#define _NKEYBRD_READ 0x10 /* read next character from keyboard */
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#define _NKEYBRD_READY 0x11 /* check for keystroke */
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#define _NKEYBRD_SHIFTSTATUS 0x12 /* get current shift key status */
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/* printer services */
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#define _PRINTER_WRITE 0 /* write character to printer */
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#define _PRINTER_INIT 1 /* initialize printer */
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#define _PRINTER_STATUS 2 /* get printer status */
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/* time-of-day services */
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#define _TIME_GETCLOCK 0 /* get current clock count */
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#define _TIME_SETCLOCK 1 /* set current clock count */
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_WCRTLINK extern unsigned short _bios_disk(unsigned __cmd,
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struct diskinfo_t *__diskinfo);
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_WCRTLINK extern unsigned short _bios_equiplist(void);
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_WCRTLINK extern unsigned short _bios_keybrd(unsigned __cmd);
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_WCRTLINK extern unsigned short _bios_memsize(void);
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_WCRTLINK extern unsigned short _bios_printer(unsigned __cmd,unsigned __port,
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unsigned __data);
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_WCRTLINK extern unsigned short _bios_serialcom(unsigned __cmd,unsigned __port,
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unsigned __data);
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_WCRTLINK extern unsigned short _bios_timeofday(unsigned __cmd,long *__timeval);
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#pragma pack( __pop )
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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