MZ is back!HEADmain

1 files changed, 181 insertions, 0 deletions

diff --git a/v4.0/src/TOOLS/BLD/INC/BIOS.H b/v4.0/src/TOOLS/BLD/INC/BIOS.H
new file mode 100644
index 0000000..0844857
--- /dev/null
+++ b/v4.0/src/TOOLS/BLD/INC/BIOS.H
@@ -0,0 +1,181 @@
+/***
+*bios.h - declarations for bios interface functions and supporting definitions
+*
+*   Copyright (c) 1987-1988, Microsoft Corporation.  All rights reserved.
+*
+*Purpose:
+*   This file declares the constants, structures, and functions
+*   used for accessing and using various BIOS interfaces.
+*
+*******************************************************************************/
+
+
+#ifndef NO_EXT_KEYS /* extensions enabled */
+    #define _CDECL  cdecl
+#else   /* extensions not enabled */
+    #define _CDECL
+#endif  /* NO_EXT_KEYS */
+
+/* manifest constants for BIOS serial communications (RS-232) support */
+
+/* serial port services */
+
+#define _COM_INIT       0   /* init serial port */
+#define _COM_SEND       1   /* send character */
+#define _COM_RECEIVE    2   /* receive character */
+#define _COM_STATUS     3   /* get serial port status */
+
+/* serial port initializers.  One and only one constant from each of the
+ * following four groups - character size, stop bit, parity, and baud rate -
+ * must be specified in the initialization byte.
+ */
+
+/* character size initializers */
+
+#define _COM_CHR7       2   /* 7 bits characters */
+#define _COM_CHR8       3   /* 8 bits characters */
+
+/* stop bit values - on or off */
+
+#define _COM_STOP1      0   /* 1 stop bit */
+#define _COM_STOP2      4   /* 2 stop bits */
+
+/*  parity initializers */
+
+#define _COM_NOPARITY   0   /* no parity */
+#define _COM_ODDPARITY  8   /* odd parity */
+#define _COM_EVENPARITY 24  /* even parity */
+
+/*  baud rate initializers */
+
+#define _COM_110        0       /* 110 baud */
+#define _COM_150        32      /* 150 baud */
+#define _COM_300        64      /* 300 baud */
+#define _COM_600        96      /* 600 baud */
+#define _COM_1200       128     /* 1200 baud */
+#define _COM_2400       160     /* 2400 baud */
+#define _COM_4800       192     /* 4800 baud */
+#define _COM_9600       224     /* 9600 baud */
+
+
+/* manifest constants for BIOS disk support */
+
+/* disk services */
+
+#define _DISK_RESET     0   /* reset disk controller */
+#define _DISK_STATUS    1   /* get disk status */
+#define _DISK_READ      2   /* read disk sectors */
+#define _DISK_WRITE     3   /* write disk sectors */
+#define _DISK_VERIFY    4   /* verify disk sectors */
+#define _DISK_FORMAT    5   /* format disk track */
+
+/* struct used to send/receive information to/from the BIOS disk services */
+
+#ifndef NO_EXT_KEYS     /* extensions must be enabled */
+
+#ifndef _DISKINFO_T_DEFINED
+
+struct diskinfo_t {
+    unsigned drive;
+    unsigned head;
+    unsigned track;
+    unsigned sector;
+    unsigned nsectors;
+    void far *buffer;
+    };
+
+#define _DISKINFO_T_DEFINED
+
+#endif
+
+#endif /* NO_EXT_KEYS */
+
+
+/* manifest constants for BIOS keyboard support */
+
+/* keyboard services */
+
+#define _KEYBRD_READ        0   /* read next character from keyboard */
+#define _KEYBRD_READY       1   /* check for keystroke */
+#define _KEYBRD_SHIFTSTATUS 2   /* get current shift key status */
+
+
+/* manifest constants for BIOS printer support */
+
+/* printer services */
+
+#define _PRINTER_WRITE  0   /* write character to printer */
+#define _PRINTER_INIT   1   /* intialize printer */
+#define _PRINTER_STATUS 2   /* get printer status */
+
+
+/* manifest constants for BIOS time of day support */
+
+/* time of day services */
+
+#define _TIME_GETCLOCK  0   /* get current clock count */
+#define _TIME_SETCLOCK  1   /* set current clock count */
+
+
+#ifndef _REGS_DEFINED
+
+/* word registers */
+
+struct WORDREGS {
+    unsigned int ax;
+    unsigned int bx;
+    unsigned int cx;
+    unsigned int dx;
+    unsigned int si;
+    unsigned int di;
+    unsigned int cflag;
+    };
+
+/* byte registers */
+
+struct BYTEREGS {
+    unsigned char al, ah;
+    unsigned char bl, bh;
+    unsigned char cl, ch;
+    unsigned char dl, dh;
+    };
+
+/* general purpose registers union -
+ *  overlays the corresponding word and byte registers.
+ */
+
+union REGS {
+    struct WORDREGS x;
+    struct BYTEREGS h;
+    };
+
+/* segment registers */
+
+struct SREGS {
+    unsigned int es;
+    unsigned int cs;
+    unsigned int ss;
+    unsigned int ds;
+    };
+
+#define _REGS_DEFINED
+
+#endif /* _REGS_DEFINED */
+
+
+/* function prototypes */
+
+unsigned _CDECL _bios_equiplist(void);
+unsigned _CDECL _bios_keybrd(unsigned);
+unsigned _CDECL _bios_memsize(void);
+unsigned _CDECL _bios_printer(unsigned, unsigned, unsigned);
+unsigned _CDECL _bios_serialcom(unsigned, unsigned, unsigned);
+unsigned _CDECL _bios_timeofday(unsigned, long *);
+int _CDECL int86(int, union REGS *, union REGS *);
+int _CDECL int86x(int, union REGS *, union REGS *, struct SREGS *);
+
+#ifndef NO_EXT_KEYS     /* extensions must be enabled */
+
+unsigned _CDECL _bios_disk(unsigned, struct diskinfo_t *);
+
+#endif /* NO_EXT_KEYS */