.th FPTRAP III 11/18/73 .sh NAME fptrap \*- floating point interpreter .sh SYNOPSIS .ft B sys signal; 4; fptrap .ft R .sh DESCRIPTION .it Fptrap is a simulator of the 11/45 FP11-B floating point unit. It works by intercepting illegal instruction faults and examining the offending operation codes for possible floating point. .sh FILES found in /lib/libu.a; a fake version is in /lib/liba.a .sh DIAGNOSTICS A break point trap is given when a real illegal instruction trap occurs. .sh "SEE ALSO" signal(II) .sh BUGS Rounding mode is not interpreted. Its slow.