STOSW
MEM0:w:SUPP:w BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_AX:r:SUPP MEM0:w:SUPP:w BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_AX:r:SUPP MEM0:w:SUPP:w BASE0=ArDI():rw:SUPP SEG0=FINAL_ESEG():r:SUPP REG0=XED_REG_AX:r:SUPP
x86_64 X86_LEGACY STRINGOP I86 source: xed
XED_STOSW_X86_LEGACY_ONEBYTE_AB_349646
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | AB AB AB |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| requires_mode | long |
| attributes | fixed_base0 |
| cpl | 3 |
| raw_encoding | 0xAB mode16 no66_prefix norep 0xAB mode32 66_prefix norep 0xAB mode64 norexw_prefix 66_prefix norep norex2_prefix |
Operands (12)
| # | 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 | (=AX) | R | SUPPRESSED | MODRM_REG | |
| 4 | MEM1 | MEM | w | W | SUPPRESSED | MODRM_RM | |
| 5 | BASE0 | REG | RW | SUPPRESSED | |||
| 6 | SEG0 | REG | R | SUPPRESSED | |||
| 7 | REG1 | REG | (=AX) | R | SUPPRESSED | MODRM_REG | |
| 8 | MEM2 | MEM | w | W | SUPPRESSED | MODRM_RM | |
| 9 | BASE0 | REG | RW | SUPPRESSED | |||
| 10 | SEG0 | REG | R | SUPPRESSED | |||
| 11 | REG2 | REG | (=AX) | 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.