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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 21:07:28 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 21:07:28 -0400
commit711594636704defae873be1a355a292505585afd (patch)
tree59ee13f863830d8beba6cfd02bbe813dd486c26f /static/v10/man2/ilgins.2
parent3258a063c1f189d7b019e40e525b46bef9b9a7b1 (diff)
docs: Added UNIX V10 Manuals
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+.pa 1
+.he 'ILGINS (II)'3/15/72'ILGINS (II)'
+.ti 0
+NAME ilgins -- catch illegal instruction trap
+.sp
+.ti 0
+SYNOPSIS sys ilgins; arg / ilgins = 33.
+.sp
+.ti 0
+DESCRIPTION ilgins______
+allows a program to catch illegal instruction traps.
+If arg___
+is zero, the normal instruction trap handling is done:
+the process is terminated and a core image is produced.
+If arg___
+is a location within the program, control
+is passed to arg___ when the trap occurs.
+.sp
+This call is used to implement the floating point simulator,
+which catches and interprets 11/45 floating point
+instructions.
+.sp
+To return after catching the
+ilgins______
+trap, execute the rti___ instruction.
+.sp
+.ti 0
+SEE ALSO PDP-11 manual
+.sp
+.ti 0
+DIAGNOSTICS --
+.sp
+.ti 0
+BUGS --