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Annotation of researchv10dc/dist/man/v4/manx/ilgins.2, revision 1.1.1.1

1.1       root        1: .pa 1
                      2: .he 'ILGINS (II)'3/15/72'ILGINS (II)'
                      3: .ti 0
                      4: NAME           ilgins  --  catch illegal instruction trap
                      5: .s3
                      6: .ti 0
                      7: SYNOPSIS       sys ilgins; arg  / ilgins = 33.
                      8: .s3
                      9: .ti 0
                     10: DESCRIPTION    ilgins______
                     11: allows a program to catch illegal instruction traps.
                     12: If arg___
                     13: is zero, the normal instruction trap handling is done:
                     14: the process is terminated and a core image is produced.
                     15: If arg___
                     16: is a location within the program, control
                     17: is passed to arg___ when the trap occurs.
                     18: .s3
                     19: This call is used to implement the floating point simulator,
                     20: which catches and interprets 11/45 floating point
                     21: instructions.
                     22: .s3
                     23: To return after catching the
                     24: ilgins______
                     25: trap, execute the rti___ instruction.
                     26: .s3
                     27: .ti 0
                     28: SEE ALSO       PDP-11 manual
                     29: .s3
                     30: .ti 0
                     31: DIAGNOSTICS    --
                     32: .s3
                     33: .ti 0
                     34: BUGS           --

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