SBB

REG0=GPR8_B():rw IMM0:r:b:i8

x86_64 X86_LEGACY BINARY I86 source: xed

XED_SBB_GPR8_IMMb_82r3

Encoding

encoding_kindX86_LEGACY
opcode_bytes82
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
modrm.reg = /3/3
imm_size_bytes1 signed
attributesBYTEOP
cpl3
raw_encoding0x82 MOD[0b11] MOD=3 REG[0b011] RM[nnn] not64 SIMM8()

Operands (2)

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

Flag effects (6)

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

Micro-ops sequence (0)

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