FLDENV
Usage: FLDENV src Modifies flags: None
Loads the complete x87 FPU operating environment from memory into the FPU registers. The 'src' operand specifies the first byte of the operating-environment data in memory. This data is typically written to the specified memory location by a FSTENV or FNSTENV instruction.
Load Floating-Point Environment
FLDENV mem ; D9 /4 [8086,FPU]
FLDENV loads the FPU operating environment (control word, status word, tag word, instruction pointer, data pointer and last opcode) from memory. The memory area is 14 or 28 bytes long, depending on the CPU mode at the time. See also FSTENV.
The C0, C1, C2, C3 flags are loaded.
EXAMPLE:
fldenv Label