Int 60 Fn 00  - Sys_prof.exe - Profiler Status                             [G]

   AH = 00h

Return: AX = 0000h    profiling is off
       otherwise profiling is on

Note:  SYS_PROF.EXE is the TSR portion of a profiler from Micro Cornucopia
     Issue 47

See Also: AH=01h"SYS_PROF",AH=02h"SYS_PROF"