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Annotation of 43BSDReno/sys/tahoealign/Awrite_quad.c, revision 1.1

1.1     ! root        1: /*     Awrite_quad.c   1.1     86/07/20        */
        !             2: 
        !             3: #include       "../tahoealign/align.h"
        !             4: 
        !             5: write_quadword (infop, qword, where)
        !             6: process_info   *infop;
        !             7: quadword       qword;
        !             8: struct oprnd   *where;
        !             9: /*
        !            10: /*     Put the quadword at the given address in memory.
        !            11: /*     
        !            12: /*
        !            13: /**************************************************/
        !            14: {
        !            15:        if (! (where->mode & W)) exception(infop, ILL_ADDRMOD);
        !            16:        switch (where->mode & ADDFIELD) /* Mask out R/W bits */
        !            17:        {
        !            18:        case Add:
        !            19:                put_longword (infop, qword.high, where->address);
        !            20:                where->address += 4;
        !            21:                put_longword (infop, qword.low, where->address);
        !            22:                break;
        !            23:        case Dir:
        !            24:                if ( where->reg_number >= SPOINTER || (where->reg_number & 1) == 1 )
        !            25:                        exception (infop, ILL_OPRND); 
        !            26:                Replace (infop, where->reg_number, qword.high);
        !            27:                Replace (infop, where->reg_number+1, qword.low);
        !            28:                break;
        !            29:        case SPmode:
        !            30:                exception(infop, ILL_ADDRMOD);
        !            31:                break;
        !            32:        default:
        !            33:                printf("Unknown destination in write_quad (alignment code)\n");
        !            34:        };
        !            35: }      

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