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Annotation of coherent/f/usr/include.78/sys/vt.h, revision 1.1

1.1     ! root        1: /* (-lgl
        !             2:  *     COHERENT 386 Device Driver Kit release 2.0
        !             3:  *     Copyright (c) 1982, 1992 by Mark Williams Company.
        !             4:  *     All rights reserved. May not be copied without permission.
        !             5:  -lgl) */
        !             6: #ifndef __SYS_VT_H__
        !             7: #define __SYS_VT_H__
        !             8: 
        !             9: /*
        !            10:  * Type definitions
        !            11:  */
        !            12: 
        !            13: /*
        !            14:  * Virtual terminal structure VTDATA
        !            15:  */
        !            16: #ifdef _I386
        !            17: typedef        struct  {
        !            18:        unsigned        int     off;
        !            19:        unsigned    /*short*/   seg;
        !            20: }      faddr_t;
        !            21: #endif
        !            22: 
        !            23: typedef struct _VTDATA {
        !            24:        /*
        !            25:         * Elements dealing with the graphic adaptor 
        !            26:         * - equivalent to the assembler definitions above.
        !            27:         */
        !            28:        void    (*vmm_func)();
        !            29:        unsigned vmm_port,      vmm_seg,        vmm_off;
        !            30:        unsigned vmm_rowl,      vmm_col,        vmm_pos,        vmm_attr;
        !            31:        unsigned vmm_n1,        vmm_n2,         vmm_brow;
        !            32:        unsigned vmm_erow,      vmm_lrow,       vmm_srow;
        !            33:        unsigned vmm_scol,      vmm_ibrow,      vmm_ierow;
        !            34:        unsigned vmm_invis;
        !            35:        unsigned vmm_slow,      vmm_wrap,       vmm_visible,    vmm_esc;
        !            36:        unsigned vmm_mseg,      vmm_moff,       vmm_vseg,       vmm_voff;
        !            37: 
        !            38:        /*
        !            39:         * Elements dealing with both the graphic adaptor & keyboard 
        !            40:         * - equivalent to the assembler definitions above.
        !            41:         */
        !            42:        dev_t           vt_ind;
        !            43: #ifdef _I386
        !            44:        KBTBL           vt_kb[MAX_KEYS];
        !            45:        char            *vt_buffer;
        !            46: #else
        !            47:        SEG             *vt_buffer;
        !            48: #endif
        !            49:        /*
        !            50:         * Elements dealing with the keyboard 
        !            51:         *
        !            52:         * The keyboard mapping table is too large to fit into kernel data space,
        !            53:         * so we need to allocate a segment to it.
        !            54:         * The function keys tend to be small and tend to change substantially
        !            55:         * more often than the mapping table, so we keep them in the kernel data space.
        !            56:         */
        !            57:        int             vnkb_lastc;             /* state info */
        !            58:        unsigned        vnkb_shift;             /* Overall shift state */
        !            59:        unsigned        char **vnkb_funkeyp;    /* Pointer to array of func. key ptrs */
        !            60:        FNKEY           *vnkb_fnkeys;           /* Pointer to structure of values */
        !            61:        unsigned        vnkb_fklength;          /* length of k_fnval field in fnkeys */
        !            62:        unsigned        vnkb_sh_index;          /* shift/lock state index */
        !            63:        char            vnkb_fk_loaded;         /* true == function keys resident */
        !            64: }      VTDATA;
        !            65: 
        !            66: typedef struct _HWentry {
        !            67:        unsigned char   count, found;
        !            68:        short   port;
        !            69:        faddr_t vidmemory;
        !            70:        struct  {
        !            71:                unsigned char   row;
        !            72:                unsigned char   col;
        !            73: #define        TEXTBLOCK 4000  /* 25 x 80 x 2 */
        !            74:        } screen;
        !            75:        short   start;
        !            76: } HWentry;
        !            77: 
        !            78: #ifndef        KB_MAJOR
        !            79: #include <sys/devices.h>               /* KB_MAJOR defined in here */
        !            80: #endif
        !            81: 
        !            82: #ifndef        VT_MAJOR
        !            83: #define        VT_MAJOR        KB_MAJOR
        !            84: #endif
        !            85: 
        !            86: #define        VT_PHYSICAL     0x40
        !            87: #define        VT_HW           0x30
        !            88: #define        VT_HW_COLOR     0x00
        !            89: #define        VT_HW_MONO      0x10
        !            90: 
        !            91: #define        VT_INDEX(dev)   (dev&0x3F)
        !            92: 
        !            93: #define        NO_DEVICE       0xFF    /* to signify that the minor does not exist */
        !            94: 
        !            95: #define        PRINTV  if(vt_verbose)printf
        !            96: #define        PUTC    if(vt_verbose)putc
        !            97: 
        !            98: /*
        !            99:  * patchable params for non-standard keyboards
        !           100:  */
        !           101: extern int     KBDATA;                 /* Keyboard data */
        !           102: extern int     KBCTRL;                 /* Keyboard control */
        !           103: extern int     KBSTS_CMD;              /* Keyboard status/command */
        !           104: extern int     KBFLAG;                 /* Keyboard reset flag */
        !           105: extern int     KBBOOT;                 /* 0: disallow reboot from keyboard */
        !           106: extern int     KBTIMEOUT;              /* shouldn't need this much */
        !           107: extern int     KBCMDBYTE;              /* no translation */
        !           108: 
        !           109: /*
        !           110:  * globals
        !           111:  */
        !           112: extern int             vtmax, vtcount, vtactive;
        !           113: extern int             vt_verbose, vt_opened, vtloaded;
        !           114: extern VTDATA          *vtconsole, **vtdata;
        !           115: extern char            kb_table_loaded;
        !           116: extern HWentry         *vtHWtable[];
        !           117: 
        !           118: #endif /* VT_H */

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