A.5.265 PUSHFx: Push Flags Register
PUSHF ; 9C [8086]
PUSHFD ; o32 9C [386]
PUSHFW ; o16 9C [8086]
- PUSHFW pushes the bottom 16 bits of the flags register (or the whole
flags register, on processors below a 386) onto the stack.
- PUSHFD pushes the entire flags register onto the stack.
PUSHF is an alias mnemonic for either PUSHFW or PUSHFD, depending on the
current BITS setting.
See also POPF (section A.5.246).