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Annotation of cci/sys/tahoe/Acasel.c, revision 1.1

1.1     ! root        1: #include "../machine/alignment.h" 
        !             2: casel(infop)   process_info *infop;
        !             3: /*
        !             4: /*     Case (longword).
        !             5: /*     Can't use real HW opcode, don't want to branch out !
        !             6: /*
        !             7: /***********************************/
        !             8: {
        !             9:        register long selector, base;
        !            10:        register unsigned temporary, limit;
        !            11: 
        !            12:        selector = operand(infop,0)->data;
        !            13:        base = operand(infop,1)->data;
        !            14:        limit = operand(infop,2)->data;
        !            15:        if (pc & 1) pc += 1;    /* Displacements are aligned ! */
        !            16:        temporary = selector - base;
        !            17:        if (temporary <= limit)
        !            18:                pc = pc + get_word (infop, (char *)(pc + 2*temporary) );
        !            19:        else pc = pc + limit*2 + 2;
        !            20: }

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