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Annotation of researchv10no/sys/ml/trapbvax.s, revision 1.1

1.1     ! root        1: #
        !             2: # traps routines valid only on `bigger' VAXes
        !             3: # (not MicroVAXes)
        !             4: #
        !             5: # real clock interrupt
        !             6: #
        !             7:        .text
        !             8:        .globl  Xhardclock
        !             9:        .align  2
        !            10: Xhardclock:
        !            11:        pushr   $SAVREG
        !            12:        tstl    _clockbias
        !            13:        beql    1f
        !            14:        decl    _clockbias
        !            15:        bneq    1f
        !            16:        mtpr    $CLK60HZ,$NICR
        !            17: 1:     pushl   4+NRS*4(sp)
        !            18:        pushl   4+NRS*4(sp)
        !            19:        calls   $2,_hardclock           # hardclock(pc,psl)
        !            20: 2:     popr    $SAVREG
        !            21:        rei

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