11/3/71                                              FPTRAP (III)





NAME            fptrap -- floating point simulator



SYNOPSIS        sys     33.; fptrap



DESCRIPTION     fptrap is a package designed to pick up illegal

                instruction in order to simulate a sub-set of the

                11/45 floating point hardware.



FILES           kept in /etc/liba.a



SEE ALSO        as, PDP-11/45 manual



DIAGNOSTICS     none, hardware gives no diagnostics.



BUGS            The simulation, if unsuccessful for any reason

                gives an IOT fault from inside the simulator.

                This should be handled better.



OWNER           ken, dmr