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

1.1     ! root        1: /*     Alnd.c  1.1     86/07/20        */
        !             2: 
        !             3: #include "../tahoealign/align.h"
        !             4: lnd(infop)     process_info *infop;
        !             5: /*
        !             6: /*     Load a negated double operand into accumulator.
        !             7: /*
        !             8: /*******************************************************/
        !             9: {
        !            10:        register struct oprnd *oprnd_pnt;
        !            11: 
        !            12:        oprnd_pnt = operand(infop,0);
        !            13:        if ( reserved( oprnd_pnt->data ) ) 
        !            14:                exception(infop, ILL_OPRND);
        !            15:        if ( oprnd_pnt->data == 0 ) acc_high = 0;
        !            16:        else acc_high = 0x80000000 ^ oprnd_pnt->data ;
        !            17:        acc_low = oprnd_pnt->data2 ;
        !            18:        psl |= PSL_DBL;
        !            19:        infop->acc_dbl = 1;
        !            20: }

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