A.5.81 FICOM, FICOMP: Floating-Point/Integer Compare
FICOM mem16 ; DE /2 [8086,FPU]
FICOM mem32 ; DA /2 [8086,FPU]
FICOMP mem16 ; DE /3 [8086,FPU]
FICOMP mem32 ; DA /3 [8086,FPU]
FICOM compares ST0 with the 16-bit or 32-bit integer stored in the given
memory location, and sets the FPU flags accordingly. FICOMP does the
same, but pops the register stack afterwards.