TEST

REG0=OrAX():r:IMPL IMM0:r:z

x86_64 X86_LEGACY LOGICAL I86 source: xed

XED_TEST_X86_LEGACY_ONEBYTE_A9_279686

Encoding

encoding_kindX86_LEGACY
opcode_bytesA9
opcode_mapONEBYTE
mandatory_prefix-
has_modrmFalse
cpl3
raw_encoding0xA9 norex2_prefix SIMMz()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG R IMPLICIT MODRM_REG
1 IMM0 IMM z R EXPLICIT IMM

Flag effects (6)

CF = SET_0 PF = WRITE AF = UNDEFINED ZF = WRITE SF = WRITE OF = SET_0

Micro-ops sequence (0)

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