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.  Define keypoint class codes
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oscdata   equ    0             .Data keypoint
oscunus   equ    1             .Unusual keypoint.
oscent    equ    2             .Entry keypoint.
oscexit   equ    3             .Exit keypoint.
oscdbug   equ    4             .Debug keypoint.
oscmtr    equ    5             .monitor entry/exit.
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.         define bias for monitor exit keypoint.
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oskxbias  equ    4096
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.  Define keypoint codes used in OS assembly language decks.
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oskpurg   equ    4000          .Used in OSAINX wil cache/map purge.
oskexc8   equ    4001          .Exchange to/from 180 job mode.
oskexc7   equ    4002          .Exchange to/from 170 job mode.
osktrpm   equ    4003          .Monitor mode trap.
osktrpj   equ    4004          .Job mode trap.
oskexc8x  equ    oskexc8+oskxbias
oskexc7x  equ    oskexc7+oskxbias
osktrpmx  equ    osktrpm+oskxbias
osktrpjx  equ    osktrpj+oskxbias
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