AAM
IMM0:r:b:i8 REG0=XED_REG_AL:rw:SUPP REG1=XED_REG_AH:w:SUPP
x86_64 X86_LEGACY DECIMAL I86 source: xed
XED_AAM_X86_LEGACY_ONEBYTE_D4_458108
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | D4 |
| opcode_map | ONEBYTE |
| mandatory_prefix | - |
| has_modrm | False |
| imm_size_bytes | 1 |
| cpl | 3 |
| raw_encoding | 0xD4 not64 UIMM8() |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | IMM0 | IMM | b | R | EXPLICIT | IMM | |
| 1 | REG0 | REG | (=AL) | RW | SUPPRESSED | MODRM_REG | |
| 2 | REG1 | REG | (=AH) | w | W | SUPPRESSED | MODRM_REG |
Flag effects (6)
CF = UNDEFINED
PF = WRITE
AF = UNDEFINED
ZF = WRITE
SF = WRITE
OF = UNDEFINED
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.