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Annotation of cci/usr/src/usr.bin/bsc/cmd/3270/em.h, revision 1.1

1.1     ! root        1: static char s_em[] = "@(#)em.h 1.3 REL";       /*sccs id */
        !             2: #include <curses.h>
        !             3: #include <errno.h>
        !             4: /*
        !             5:  * Screen information.
        !             6:  * The externally-defined variables listed below comprise the
        !             7:  * information needed to manage a virtual 3277 screen.
        !             8:  */
        !             9: 
        !            10: #define MAXSCREENSIZE 1920             /* Max. # characters per screen */
        !            11: #define MAXFIELDS MAXSCREENSIZE/2      /* Max. # fields per screen */
        !            12: #define SCREENWIDTH 80                 /* Width of screen */
        !            13: 
        !            14: extern int do_screen;  /* If this is non-zero, real crt will be kept
        !            15:                           up to date (via curses window vterm_scr) */
        !            16: WINDOW *vterm_scr;     /* virtual window for 3277 screen */
        !            17: WINDOW *sub_vterm;     /* subwindow of vterm_scr */
        !            18: WINDOW *cmd_scr;       /* command window for 3277 screen */
        !            19: WINDOW *help_scr;      /* help window */
        !            20: 
        !            21: extern int fldstart[]; /* Index of starting position of each
        !            22:                           field's first data character.
        !            23:                           Attribute characters are immediately
        !            24:                           before each field. */
        !            25: extern char fldattr[]; /* Attribute of each field */
        !            26: extern int fldmax[];   /* Maximum width of each field */
        !            27: extern int totfields;  /* Total number of fields on screen */
        !            28: extern int curfield;   /* Current field number */
        !            29: extern int bufaddr;    /* Current buffer address, 0 to
        !            30:                           MAXSCREENSIZE-1 */
        !            31: extern int cursaddr;   /* Current cursor address, 0 to
        !            32:                           MAXSCREENSIZE-1 */
        !            33: #define ROW cursaddr/SCREENWIDTH       
        !            34: #define COL cursaddr%SCREENWIDTH
        !            35: 
        !            36: /* emputchar returns the following define values */
        !            37: #define NORMAL           0
        !            38: #define NUMERIC   1  
        !            39: #define PROTECTED 2
        !            40: #define FLD_FULL  3
        !            41: #define NON_DISP  4
        !            42: #define ATTR_CHAR 5
        !            43: 
        !            44: /* scrn_image is a replica of the current ASCII screen image, except that 
        !            45:    attribute characters are replaced with x80's. */
        !            46: extern char scrn_image[];
        !            47: #define        ATTRCODE (char)0x80
        !            48: 
        !            49: /* scrn_xref is a cross-reference into scrn_image. It contains the current
        !            50:    field number corresponding to each screen location. 
        !            51:    For example, a screen containing two fields, one beginning at screen
        !            52:    position 10 and the other beginning at screen position 30, can be
        !            53:    visualized as follows (top row of numbers represent screen positions):
        !            54:     0        1         2         3         4         5 
        !            55:     012345678901234567890123456789012345678901234567890...
        !            56:     111111111122222222222222222222333333333333333333333...
        !            57: 
        !            58:    */
        !            59: extern int scrn_xref[];
        !            60: 
        !            61: extern int unprotected;                /* count of unprotected fields on the screen */
        !            62: /* status indicates 3277 terminal status */
        !            63: extern int status;     /* As follows : */
        !            64: #define SYS_AVAIL      0x8000  /* System Available, Online A */
        !            65: #define        ONLINEA         0x8000  /* Synonym for System Available */
        !            66: #define        ONLINE          0x4000  /* Online */
        !            67: #define        MYJOB           0x4000  /* My Job */
        !            68: #define        INPUT_INH       0x2000  /* Input Inhibited */
        !            69: #define        SYSTEM_LOCK     0x2000  /* Synonym for Input Inhibited */
        !            70: #define        COMM_CHK        0x1000  /* Communications Check */
        !            71: #define        PRTR_NW         0x0800  /* Printer Not Working */
        !            72: #define        GO_ELSE         0x0400  /* Go Elsewhere */
        !            73: #define        MORE_THAN       0x0200  /* More Than */
        !            74: #define        NUM_ONLY        0x0100  /* Numeric-Only Field */
        !            75: #define        INSERT_MODE     0x0080  /* Insert mode enabled */
        !            76: #define PRTR_BUSY      0x0040  /* Printer Busy */
        !            77: #define        LOCK_OUT (INPUT_INH|COMM_CHK|PRTR_NW|GO_ELSE|MORE_THAN|NUM_ONLY)
        !            78: 
        !            79: /* emgetchar returns the following defined values when the named characters are
        !            80:    encountered */
        !            81: #define        ENTER   129
        !            82: #define        PF1     ENTER+1
        !            83: #define        PF2     ENTER+2
        !            84: #define        PF3     ENTER+3
        !            85: #define        PF4     ENTER+4
        !            86: #define        PF5     ENTER+5
        !            87: #define        PF6     ENTER+6
        !            88: #define        PF7     ENTER+7
        !            89: #define        PF8     ENTER+8
        !            90: #define        PF9     ENTER+9
        !            91: #define        PF10    ENTER+10
        !            92: #define        PF11    ENTER+11
        !            93: #define        PF12    ENTER+12
        !            94: #define        PA1     ENTER+13
        !            95: #define PA2    ENTER+14
        !            96: #define PA3    ENTER+15
        !            97: #define        CLEAR   ENTER+16
        !            98: #define        TESTREQ ENTER+17
        !            99: #define        TAB     150
        !           100: #define        BACKTAB 151
        !           101: #define        ERASE_INP       152
        !           102: #define        ERASE_EOF       153
        !           103: #define        INS     154
        !           104: #define        DELCHR  155
        !           105: #define        ESC     156
        !           106: #define        DUP     157
        !           107: #define        FM      158
        !           108: #define        UPAR    159
        !           109: #define        DOWN    160
        !           110: #define        LEFT    161
        !           111: #define        RIGHT   162
        !           112: #define        BACKSP  163
        !           113: #define        CARRET  164
        !           114: #define RESET  165
        !           115: #define HELP   166
        !           116: #define STATS  167
        !           117: #define PRINT  168
        !           118: #define OTHER 170
        !           119: #define NOCHAR 0       /* no character available/recognized at present */
        !           120: 
        !           121: extern int     COLS;   /* number of columns */
        !           122: extern int     LINES;  /* # lines on screen */
        !           123: 
        !           124: /* attribute codes for fldattr[]: */
        !           125: #define ATTRTYPE       0x30    /* protected, numeric attribute mask */
        !           126: #define ATTRNUM                0x10    /* (fldattr[x] & ATTRTYPE) == ATTRNUM
        !           127:                                   if attribute defines numeric field */
        !           128: #define ATTRPROT       0x20    /* (fldattr[x] & ATTRTYPE) == ATTRPROT
        !           129:                                   if attribute defines protected field */
        !           130: #define ATTRSKIP       0x30    /* protected and numeric -> autoskip */
        !           131: 
        !           132: #define num_attr(attr) ((attr & ATTRTYPE) == ATTRNUM)
        !           133: #define prot_attr(attr) (attr & ATTRPROT)
        !           134: #define        invis_attr(attr)        ((attr & ATTRDISP) == ATTRINVIS)
        !           135: #define        hl_attr(attr)   ((attr & ATTRDISP) == ATTRHL)
        !           136: #define skip_attr(attr) ((attr & ATTRSKIP) == ATTRSKIP)
        !           137: 
        !           138: #define        ATTRDISP        0x0c    /* display mode mask: */
        !           139: #define        ATTRINVIS       0x0c    /*      Invisible */
        !           140: #define        ATTRHL          0x08    /*      Highlight */
        !           141: #define        ATTRMDT         0x01    /* Modified Data flag */
        !           142: 
        !           143: /* Write and Ewrite commands are followed by a WCC (write control character) */
        !           144: extern char wcc;
        !           145: 
        !           146: /* Write Control Character (WCC) Layout: */
        !           147: #define        WCCPRFMT        0x30    /* Print format mask: */
        !           148: #define        WCCPRVAR        0x00            /* Variable-length to 132 chars */
        !           149: #define        WCCPR40         0x10            /* 40-char. fixed */
        !           150: #define        WCCPR64         0x20            /* 64-char. fixed */
        !           151: #define        WCCPR80         0x30            /* 80-char. fixed */
        !           152: #define        WCCSTPRT        0x08    /* Start Print (after command complete) */
        !           153: #define        WCCALARM        0x04    /* Sound Alarm (after command complete) */
        !           154: #define        WCCKYBDRST      0x02    /* Unlock Keyboard (after command complete) */
        !           155: #define        WCCMDTRST       0x01    /* Immediate reset of MDT bit in all fields */
        !           156: 
        !           157: #define stprt(wc) (wc & WCCSTPRT)
        !           158: #define walarm(wc) (wc & WCCALARM)
        !           159: #define kbdrst(wc) (wc & WCCKYBDRST)
        !           160: #define mdtrst(wc) (wc & WCCMDTRST)

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