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- /* bios.h
-
- Access to bios services.
-
- Copyright (c) Borland International 1987,1988,1990,1991
- All Rights Reserved.
- */
-
- #if !defined( __BIOS_H )
- #define __BIOS_H
-
- #ifdef __DLL__
- #define _FAR far
- #else
- #define _FAR
- #endif
-
- #if __STDC__
- #define _Cdecl
- #else
- #define _Cdecl cdecl
- #endif
-
- #ifndef __PAS__
- #define _CType _Cdecl
- #else
- #define _CType pascal
- #endif
-
- /* register structure definitions for int86(), int86x() */
-
- #ifdef __MSC
- #ifndef _REG_DEFS
- #define _REG_DEFS
-
- struct WORDREGS {
- unsigned int ax, bx, cx, dx, si, di, cflag, flags;
- };
-
- struct BYTEREGS {
- unsigned char al, ah, bl, bh, cl, ch, dl, dh;
- };
-
- union REGS {
- struct WORDREGS x;
- struct BYTEREGS h;
- };
-
- struct SREGS {
- unsigned int es;
- unsigned int cs;
- unsigned int ss;
- unsigned int ds;
- };
-
- struct REGPACK {
- unsigned r_ax, r_bx, r_cx, r_dx;
- unsigned r_bp, r_si, r_di, r_ds, r_es, r_flags;
- };
-
- #endif /* _REG_DEFS */
- #endif /* __MSC */
-
- #ifdef __cplusplus
- extern "C" {
- #endif
- int _Cdecl bioscom(int __cmd, char __abyte, int __port);
- int _Cdecl biosdisk(int __cmd, int __drive, int __head, int __track,
- int __sector, int __nsects, void _FAR *__buffer);
- int _Cdecl biosequip(void);
- int _Cdecl bioskey(int __cmd);
- int _Cdecl biosmemory(void);
- int _Cdecl biosprint(int __cmd, int __abyte, int __port);
- long _Cdecl biostime(int __cmd, long __newtime);
-
- #ifdef __MSC
- int _Cdecl int86( int __intno,
- union REGS _FAR *__inregs,
- union REGS _FAR *__outregs );
- int _Cdecl int86x( int __intno,
- union REGS _FAR *__inregs,
- union REGS _FAR *__outregs,
- struct SREGS _FAR *__segregs );
- #endif
-
- #ifdef __cplusplus
- }
- #endif
-
- #ifdef __MSC
-
- /* cmd values for _bios_keybrd() */
-
- #define _KEYBRD_READ 0 /* read key */
- #define _NKEYBRD_READ 0x10 /* read key - enhanced */
- #define _KEYBRD_READY 1 /* check key ready */
- #define _NKEYBRD_READY 0x11 /* check key ready - enhanced */
- #define _KEYBRD_SHIFTSTATUS 2 /* get shift status */
- #define _NKEYBRD_SHIFTSTATUS 0x12 /* get shift status - enhanced */
-
-
- /* cmd values for _bios_printer() */
-
- #define _PRINTER_WRITE 0 /* send abyte to printer */
- #define _PRINTER_INIT 1 /* initialize printer */
- #define _PRINTER_STATUS 2 /* read printer status */
-
- /* cmd values for _bios_serialcom() */
-
- #define _COM_INIT 0 /* set communication parms to abyte */
- #define _COM_SEND 1 /* send abyte to port */
- #define _COM_RECEIVE 2 /* read character from port */
- #define _COM_STATUS 3 /* get status of port */
-
- /* abyte values for _COM_INIT cmd of _bios_serialcom() */
-
- #define _COM_CHR7 0x02 /* 7 data bits */
- #define _COM_CHR8 0x03 /* 8 data bits */
- #define _COM_STOP1 0x00 /* 1 stop bit */
- #define _COM_STOP2 0x04 /* 2 stop bits */
- #define _COM_NOPARITY 0x00 /* no parity */
- #define _COM_EVENPARITY 0x18 /* even parity */
- #define _COM_ODDPARITY 0x08 /* odd parity */
- #define _COM_110 0x00 /* 110 baud */
- #define _COM_150 0x20 /* 150 baud */
- #define _COM_300 0x40 /* 300 baud */
- #define _COM_600 0x60 /* 600 baud */
- #define _COM_1200 0x80 /* 1200 baud */
- #define _COM_2400 0xa0 /* 2400 baud */
- #define _COM_4800 0xc0 /* 4800 baud */
- #define _COM_9600 0xe0 /* 9600 baud */
-
- /* Macros for MSC functions */
-
- #define _bios_equiplist() (unsigned)biosequip()
- #define _bios_keybrd(cmd) (unsigned)bioskey((int)(cmd))
- #define _bios_memsize() (unsigned)biosmemory()
- #define _bios_printer(cmd,port,data) \
- (unsigned)biosprint((int)(cmd),(int)(data),(int)(port))
- #define _bios_serialcom(cmd,port,data) \
- (unsigned)bioscom((int)(cmd),(int)(data),(int)(port))
-
- #endif /* __MSC */
-
- #endif /* __BIOS_H */
-