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Annotation of coherent/d/PS2_KERNEL/io.286/console.c, revision 1.1

1.1     ! root        1: /* $Header: /kernel/kersrc/io.286/console.c,v 1.1 92/07/17 15:24:08 bin Exp Locker: bin $ */
        !             2: /*
        !             3:  * Tiny console driver.
        !             4:  * 8086/8088 Coherent, IBM PC.
        !             5:  *
        !             6:  * $Log:       console.c,v $
        !             7:  * Revision 1.1  92/07/17  15:24:08  bin
        !             8:  * Initial revision
        !             9:  * 
        !            10:  * Revision 2.1        88/09/03  13:03:39      src
        !            11:  * *** empty log message ***
        !            12:  * 
        !            13:  * Revision 1.1        88/03/24  17:04:25      src
        !            14:  * Initial revision
        !            15:  * 
        !            16:  * 86/11/19    Allan Cornish           /usr/src/sys/i8086/drv/console.c
        !            17:  * putchar() initializes the (new) (IO).io_flag field to 0.
        !            18:  */
        !            19: #include <sys/coherent.h>
        !            20: #include <sys/inode.h>
        !            21: #include <sys/stat.h>
        !            22: #include <sys/con.h>
        !            23: #include <sys/io.h>
        !            24: 
        !            25: dev_t condev = makedev(2,0);
        !            26: 
        !            27: putchar(c)
        !            28: int c;
        !            29: {
        !            30:        static coninit;
        !            31:        IO iob;
        !            32: 
        !            33:        if (coninit == 0) {
        !            34:                ++coninit;
        !            35:                dopen( condev, IPW, DFCHR );
        !            36:        }
        !            37: 
        !            38:        if (c == '\n')
        !            39:                putchar('\r');
        !            40: 
        !            41:        iob.io_seg  = IOSYS;
        !            42:        iob.io_ioc  = 1;
        !            43:        iob.io_base = &c;
        !            44:        iob.io_flag = 0;
        !            45:        dwrite( condev, &iob );
        !            46: }

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