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  1. /* Copyright (C) 1996 DJ Delorie, see COPYING.DJ for details */
  2. /* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
  3. #ifndef __dj_include_bios_h_
  4. #define __dj_include_bios_h_
  5.  
  6. #ifdef __cplusplus
  7. extern "C" {
  8. #endif
  9.  
  10. #ifndef __dj_ENFORCE_ANSI_FREESTANDING
  11.  
  12. #ifndef __STRICT_ANSI__
  13.  
  14. #ifndef _POSIX_SOURCE
  15.  
  16. int  bioscom(int _cmd, char _data, int _port);
  17. int  biosdisk(int _cmd, int _drive, int _head, int _track, int _sector,
  18.               int _nsects, void *_buffer);
  19. int  biosequip(void);
  20. int  bioskey(int cmd);
  21. int  biosmemory(void);
  22. int  biosprint(int _cmd, int _byte, int _port);
  23. long biostime(int _cmd, long _newtime);
  24.  
  25. /*
  26.  *  For compatibility with other DOS C compilers.
  27.  */
  28.  
  29. /* Disk parameters for _bios_disk() function. */
  30. struct _diskinfo_t {
  31.   unsigned drive;       /* Drive number. */
  32.   unsigned head;        /* Head number. */
  33.   unsigned track;       /* Track number. */
  34.   unsigned sector;      /* Sector number. */
  35.   unsigned nsectors;    /* Number of sectors to read/write/verify. */
  36.   void    *buffer;      /* Buffer for reading/writing/verifying. */
  37. };
  38. #define diskinfo_t _diskinfo_t
  39.  
  40. /* Constants for _bios_disk() function. */
  41. #define _DISK_RESET        0     /* Reset disk controller. */
  42. #define _DISK_STATUS       1     /* Get disk status. */
  43. #define _DISK_READ         2     /* Read disk sectors. */
  44. #define _DISK_WRITE        3     /* Write disk sectors. */
  45. #define _DISK_VERIFY       4     /* Verify disk sectors. */
  46. #define _DISK_FORMAT       5     /* Format disk track. */
  47.  
  48. /* Constants fot _bios_serialcom() function. */
  49. #define _COM_INIT          0     /* Init serial port. */
  50. #define _COM_SEND          1     /* Send character. */
  51. #define _COM_RECEIVE       2     /* Receive character. */
  52. #define _COM_STATUS        3     /* Get serial port status. */
  53.  
  54. #define _COM_CHR7          2     /* 7 bits characters. */
  55. #define _COM_CHR8          3     /* 8 bits characters. */
  56.  
  57. #define _COM_STOP1         0     /* 1 stop bit. */
  58. #define _COM_STOP2         4     /* 2 stop bits. */
  59.  
  60. #define _COM_NOPARITY      0     /* No parity. */
  61. #define _COM_ODDPARITY     8     /* Odd parity. */
  62. #define _COM_SPACEPARITY   16    /* Space parity. */
  63. #define _COM_EVENPARITY    24    /* Even parity. */
  64.  
  65. #define _COM_110           0     /* 110 baud. */
  66. #define _COM_150           32    /* 150 baud. */
  67. #define _COM_300           64    /* 300 baud. */
  68. #define _COM_600           96    /* 600 baud. */
  69. #define _COM_1200          128   /* 1200 baud. */
  70. #define _COM_2400          160   /* 2400 baud. */
  71. #define _COM_4800          192   /* 4800 baud. */
  72. #define _COM_9600          224   /* 9600 baud. */
  73.  
  74. /* Constants for _bios_keybrd() function. */
  75. #define _KEYBRD_READ          0     /* Read character. */
  76. #define _KEYBRD_READY         1     /* Check character. */
  77. #define _KEYBRD_SHIFTSTATUS   2     /* Get shift status. */
  78.  
  79. #define _NKEYBRD_READ         0x10  /* Read extended character. */
  80. #define _NKEYBRD_READY        0x11  /* Check extended character. */
  81. #define _NKEYBRD_SHIFTSTATUS  0x12  /* Get exteded shift status. */
  82.  
  83. /* Constans for _bios_printer() function. */
  84. #define _PRINTER_WRITE     0     /* Write character. */
  85. #define _PRINTER_INIT      1     /* Initialize printer. */
  86. #define _PRINTER_STATUS    2     /* Get printer status. */
  87.  
  88. /* Constants for _bios_timeofday() function. */
  89. #define _TIME_GETCLOCK     0     /* Get current clock count. */
  90. #define _TIME_SETCLOCK     1     /* Set current clock count. */
  91.  
  92. #define _bios_equiplist()           ((unsigned)biosequip())
  93. #define _bios_memsize()             ((unsigned)biosmemory())
  94. #define _bios_printer(_c, _p, _d)   ((unsigned)biosprint(_c, _d, _p))
  95. #define _bios_serialcom(_c, _p, _d) ((unsigned)bioscom(_c, _d, _p))
  96. #define _bios_keybrd(_c)            ((unsigned)bioskey(_c))
  97.  
  98. unsigned _bios_disk(unsigned _cmd, struct _diskinfo_t *_di);
  99. unsigned _bios_timeofday(unsigned _cmd, unsigned long *_timeval);
  100.  
  101. /* For int86(), int86x() and union REGS. */
  102. #include <dos.h>
  103.  
  104. #endif /* !_POSIX_SOURCE */
  105. #endif /* !__STRICT_ANSI__ */
  106. #endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
  107.  
  108. #ifndef __dj_ENFORCE_FUNCTION_CALLS
  109. #endif /* !__dj_ENFORCE_FUNCTION_CALLS */
  110.  
  111. #ifdef __cplusplus
  112. }
  113. #endif
  114.  
  115. #endif /* !__dj_include_bios_h_ */
  116.