VERW

REG0=GPR16_B():r

x86_64 X86_LEGACY SYSTEM I286PROTECTED source: xed

XED_VERW_X86_LEGACY_0F_00_932541

Encoding

encoding_kindX86_LEGACY
opcode_bytes00
opcode_map0F
mandatory_prefix-
has_modrmTrue
modrm.reg = /5/5
attributesPROTECTED_MODE
cpl3
raw_encoding0x0F 0x00 MOD[0b11] MOD=3 REG[0b101] RM[nnn]

Operands (1)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG R EXPLICIT MODRM_REG

Flag effects (1)

ZF = WRITE

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.