STOSB
MEM0:w:SUPP:b BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_AL:r:SUPP
x86_64 X86_LEGACY STRINGOP I86 source: xed
XED_STOSB_X86_LEGACY_ONEBYTE_AA_393915
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | AA |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| attributes | fixed_base0 BYTEOP |
| cpl | 3 |
| raw_encoding | 0xAA norep norex2_prefix |
Operands (4)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | MEM0 | MEM | w | W | SUPPRESSED | MODRM_RM | |
| 1 | BASE0 | REG | RW | SUPPRESSED | |||
| 2 | SEG0 | REG | R | SUPPRESSED | |||
| 3 | REG0 | REG | (=AL) | R | SUPPRESSED | MODRM_REG |
Flag effects (1)
DF = READ
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.