qa.hlp (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
FSTSW/FNSTSW
   ◄Summary►  ◄Timings►  ◄Example►
────────────────┬─────────────────────────┬────────────────────────────────
 FSTSW mem      │ fstsw  statword         │  87   12-18
 FNSTSW mem     │                         │ 287   12-18
                │                         │ 387   15
────────────────┼─────────────────────────┼────────────────────────────────
 FSTSW AX       │ fstsw  ax               │  87   ─
 FNSTSW AX      │                         │ 287   10-16
                │                         │ 387   13
────────────────┴─────────────────────────┴────────────────────────────────
                                    -♦-