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Annotation of cci/sys/tahoe/Alnd.c, revision 1.1.1.1

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

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