285 lines
9.1 KiB
C
285 lines
9.1 KiB
C
/* dos.h
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Defines structs, unions, macros, and functions for dealing
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with MSDOS and the Intel iAPX86 microprocessor family.
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Copyright (c) Borland International 1987,1988,1990
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All Rights Reserved.
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*/
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#ifndef __DOS_H
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#define __DOS_H
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#if __STDC__
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#define _Cdecl
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#else
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#define _Cdecl cdecl
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#endif
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#ifndef __PAS__
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#define _CType _Cdecl
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#else
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#define _CType pascal
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#endif
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/* Variables */
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extern int const _Cdecl _8087;
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extern int _Cdecl _argc;
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extern char **_Cdecl _argv;
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extern char **_Cdecl environ;
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extern int _Cdecl _doserrno;
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extern unsigned _Cdecl _heaplen;
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extern unsigned char _Cdecl _osmajor;
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extern unsigned char _Cdecl _osminor;
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extern unsigned _Cdecl _psp;
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extern unsigned _Cdecl _stklen;
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extern unsigned _Cdecl _fpstklen;
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extern unsigned _Cdecl _version;
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#define FA_RDONLY 0x01 /* Read only attribute */
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#define FA_HIDDEN 0x02 /* Hidden file */
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#define FA_SYSTEM 0x04 /* System file */
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#define FA_LABEL 0x08 /* Volume label */
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#define FA_DIREC 0x10 /* Directory */
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#define FA_ARCH 0x20 /* Archive */
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#define NFDS 20 /* Maximum number of fds */
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struct fcb {
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char fcb_drive; /* 0 = default, 1 = A, 2 = B */
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char fcb_name[8]; /* File name */
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char fcb_ext[3]; /* File extension */
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short fcb_curblk; /* Current block number */
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short fcb_recsize; /* Logical record size in bytes */
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long fcb_filsize; /* File size in bytes */
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short fcb_date; /* Date file was last written */
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char fcb_resv[10]; /* Reserved for DOS */
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char fcb_currec; /* Current record in block */
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long fcb_random; /* Random record number */
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};
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struct xfcb {
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char xfcb_flag; /* Contains 0xff to indicate xfcb */
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char xfcb_resv[5]; /* Reserved for DOS */
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char xfcb_attr; /* Search attribute */
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struct fcb xfcb_fcb; /* The standard fcb */
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};
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struct COUNTRY {
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int co_date;
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char co_curr[5];
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char co_thsep[2];
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char co_desep[2];
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char co_dtsep[2];
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char co_tmsep[2];
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char co_currstyle;
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char co_digits;
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char co_time;
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long co_case;
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char co_dasep[2];
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char co_fill[10];
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};
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struct DOSERROR {
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int de_exterror;
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int de_class;
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char de_action;
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char de_locus;
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};
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struct dfree {
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unsigned df_avail;
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unsigned df_total;
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unsigned df_bsec;
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unsigned df_sclus;
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};
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struct fatinfo {
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char fi_sclus;
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char fi_fatid;
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int fi_nclus;
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int fi_bysec;
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};
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struct devhdr {
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long dh_next; /* Next device pointer */
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short dh_attr; /* Attributes */
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unsigned short dh_strat; /* Driver strategy routine */
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unsigned short dh_inter; /* Driver interrupt routine */
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char dh_name[8]; /* Device name */
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};
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struct time {
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unsigned char ti_min; /* Minutes */
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unsigned char ti_hour; /* Hours */
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unsigned char ti_hund; /* Hundredths of seconds */
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unsigned char ti_sec; /* Seconds */
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};
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struct date {
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int da_year; /* Year - 1980 */
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char da_day; /* Day of the month */
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char da_mon; /* Month (1 = Jan) */
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};
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struct WORDREGS {
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unsigned int ax, bx, cx, dx, si, di, cflag, flags;
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};
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struct BYTEREGS {
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unsigned char al, ah, bl, bh, cl, ch, dl, dh;
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};
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union REGS {
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struct WORDREGS x;
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struct BYTEREGS h;
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};
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struct SREGS {
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unsigned int es;
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unsigned int cs;
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unsigned int ss;
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unsigned int ds;
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};
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struct REGPACK {
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unsigned r_ax, r_bx, r_cx, r_dx;
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unsigned r_bp, r_si, r_di, r_ds, r_es, r_flags;
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};
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typedef struct {
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char ds_drive; /* do not change */
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char ds_pattern [13]; /* these fields, */
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char ds_reserved [7]; /* Microsoft reserved */
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char ds_attrib;
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short ds_time;
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short ds_date;
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long ds_size;
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char ds_nameZ [13]; /* result of the search, asciiz */
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} dosSearchInfo; /* used with DOS functions 4E, 4F */
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#ifdef __cplusplus
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extern "C" {
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#endif
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int _Cdecl absread (int __drive, int __nsects, long __lsect, void *__buffer);
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int _Cdecl abswrite(int __drive, int __nsects, long __lsect, void *__buffer);
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int _Cdecl allocmem(unsigned __size, unsigned *__segp);
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int _CType bdos (int __dosfun, unsigned __dosdx, unsigned __dosal);
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int _Cdecl bdosptr (int __dosfun, void *__argument, unsigned __dosal);
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struct COUNTRY *_Cdecl country (int __xcode, struct COUNTRY *__cp);
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void _Cdecl ctrlbrk (int _Cdecl (*handler)(void));
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void _Cdecl delay (unsigned __milliseconds);
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void _Cdecl disable (void);
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int _Cdecl dosexterr (struct DOSERROR *__eblkp);
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long _Cdecl dostounix (struct date *__d, struct time *__t);
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void __emit__();
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void _Cdecl enable (void);
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int _Cdecl freemem (unsigned __segx);
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int _Cdecl getcbrk (void);
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void _CType getdate (struct date *__datep);
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void _Cdecl getdfree(unsigned char __drive, struct dfree *__dtable);
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void _Cdecl getfat (unsigned char __drive, struct fatinfo *__dtable);
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void _Cdecl getfatd (struct fatinfo *__dtable);
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unsigned _Cdecl getpsp (void);
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int _Cdecl getswitchar (void);
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void _CType gettime (struct time *__timep);
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int _Cdecl getverify (void);
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void _Cdecl harderr (int _Cdecl (*handler)());
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void _Cdecl hardresume (int __axret);
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void _Cdecl hardretn(int __retn);
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int _Cdecl inport (int __portid);
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unsigned char _Cdecl inportb(int __portid);
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int _Cdecl int86 (int __intno, union REGS *__inregs, union REGS *__outregs);
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int _Cdecl int86x (int __intno, union REGS *__inregs, union REGS *__outregs,
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struct SREGS *__segregs);
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int _Cdecl intdos (union REGS *__inregs, union REGS *__outregs);
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int _Cdecl intdosx (union REGS *__inregs, union REGS *__outregs,
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struct SREGS *__segregs);
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void _Cdecl intr (int __intno, struct REGPACK *__preg);
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void _Cdecl keep (unsigned char __status, unsigned __size);
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void _Cdecl nosound (void);
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void _Cdecl outport (int __portid, int __value);
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void _Cdecl outportb(int __portid, unsigned char __value);
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char *_Cdecl parsfnm (const char *__cmdline, struct fcb *__fcb, int __opt);
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int _Cdecl peek (unsigned __segment, unsigned __offset);
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char _Cdecl peekb (unsigned __segment, unsigned __offset);
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void _Cdecl poke (unsigned __segment, unsigned __offset, int __value);
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void _Cdecl pokeb (unsigned __segment, unsigned __offset, char __value);
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int _Cdecl randbrd (struct fcb *__fcb, int __rcnt);
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int _Cdecl randbwr (struct fcb *__fcb, int __rcnt);
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void _Cdecl segread (struct SREGS *__segp);
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int _Cdecl setblock(unsigned __segx, unsigned __newsize);
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int _Cdecl setcbrk (int __cbrkvalue);
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void _Cdecl setdate (struct date *__datep);
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void _Cdecl setswitchar (char __ch);
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void _Cdecl settime (struct time *__timep);
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void _Cdecl setverify (int __value);
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void _Cdecl sleep (unsigned __seconds);
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void _Cdecl sound (unsigned __frequency);
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void _Cdecl unixtodos (long __time, struct date *__d, struct time *__t);
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int _CType unlink (const char *__path);
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/* These are in-line functions. These prototypes just clean up
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some syntax checks and code generation.
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*/
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void _Cdecl __cli__ (void);
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void _Cdecl __sti__ (void);
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void _Cdecl __int__ (int __interruptnum);
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unsigned char _Cdecl __inportb__ (int __portid);
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void _Cdecl __outportb__(int __portid, unsigned char __value);
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#define disable() __emit__( (char)(0xfa) )
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#define enable() __emit__( (char)(0xfb) )
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#define geninterrupt(i) __int__(i) /* Interrupt instruction */
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#define outportb __outportb__
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#define inportb __inportb__
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/* some other compilers use inp, outp for inportb, outportb */
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#define inp(portid) inportb(portid)
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#define outp(portid,v) outportb(portid,v)
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extern unsigned _Cdecl _ovrbuffer;
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#if !__STDC__
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int cdecl far _OvrInitEms( unsigned __emsHandle, unsigned __emsFirst, unsigned __emsPages );
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int cdecl far _OvrInitExt( unsigned long __extStart, unsigned long __extLength );
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char far *cdecl getdta(void);
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void cdecl setdta(char far *__dta);
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#define MK_FP(seg,ofs) ((void _seg *)(seg) + (void near *)(ofs))
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#define FP_SEG(fp) ((unsigned)(void _seg *)(void far *)(fp))
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#define FP_OFF(fp) ((unsigned)(fp))
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#ifdef __cplusplus
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void interrupt (far * _CType getvect(int __interruptno)) (...);
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void _CType setvect (int __interruptno, void interrupt (far *__isr) (...));
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int inline _Cdecl peek(unsigned __segment, unsigned __offset)
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{ return (*((int far*)MK_FP(__segment, __offset))); }
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char inline _Cdecl peekb(unsigned __segment, unsigned __offset)
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{ return (*((char far*)MK_FP(__segment, __offset))); }
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void inline _Cdecl poke(unsigned __segment, unsigned __offset, int __value)
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{ (*((int far*)MK_FP(__segment, __offset)) = __value); }
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void inline _Cdecl pokeb(unsigned __segment, unsigned __offset, char __value)
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{ (*((char far*)MK_FP(__segment, __offset)) = __value); }
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#else
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void interrupt (far * _CType getvect(int __interruptno)) ();
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void _CType setvect (int __interruptno, void interrupt (far *__isr) ());
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#define peek(a,b) (*((int far*)MK_FP((a),(b))))
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#define peekb(a,b) (*((char far*)MK_FP((a),(b))))
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#define poke(a,b,c) (*((int far*)MK_FP((a),(b))) = (int)(c))
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#define pokeb(a,b,c) (*((char far*)MK_FP((a),(b))) = (char)(c))
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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