REPNE_SCASB
REG0=XED_REG_AL:r:SUPP MEM0:cr:SUPP:b BASE0=ArDI():rcw:SUPP SEG0=FINAL_ESEG():r:SUPP REG1=ArCX():rcw:SUPP
x86_64 X86_LEGACY STRINGOP I86 source: xed
XED_REPNE_SCASB_X86_LEGACY_ONEBYTE_AE_868920
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | AE |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| attributes | REP fixed_base0 BYTEOP |
| cpl | 3 |
| raw_encoding | 0xAE repne norex2_prefix |
Operands (5)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=AL) | R | SUPPRESSED | MODRM_REG | |
| 1 | MEM0 | MEM | b | CR | SUPPRESSED | MODRM_RM | |
| 2 | BASE0 | REG | R | SUPPRESSED | |||
| 3 | SEG0 | REG | R | SUPPRESSED | |||
| 4 | REG1 | REG | R | SUPPRESSED | MODRM_REG |
Flag effects (7)
CF = WRITE
PF = WRITE
AF = WRITE
ZF = READWRITE
SF = WRITE
DF = READ
OF = WRITE
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.