Aから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| AAA | ASCII Adjust After Addition | Adjust AL to ASCII after addition |
| AAD | ASCII Adjust AX Before Division | Adjust ASCII before division |
| AAM | ASCII Adjust AX After Multiply | Adjustment after BCD multiplication |
| AAS | ASCII Adjust AL After Subtraction | Adjust AL to ASCII after subtraction |
| ADC | Add with Caryy | Add Carrie and add up. |
| ADD | Add | Add（加算する） |
| AND | Logical AND | AND operation（論理積） |
| ARPL | Adjust RPL Field of Segment Selector | Adjust the RPL of r/m16 to less than the RPL of r16 |
Bから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| BOUND | Check Array Index Against Bounds | Check if the array index is within the specified range of m16& 16 |
| BSF | Bit Scan Forward | Bit scan in forward direction |
| BSR | Bit Scan Reverse | Bit scan in the reverse direction |
| BSWAP | Byte Swap | Reversing the byte order of 32-bit registers |
| BT | Bit Test | Store the selected bits in the CF flag |
| BTC | Bit Test and Complement | Store the selected bits in the CF flag and take the complement |
| BTR | Bit Test and Reset | Store and clear the selected bits in the CF flag |
| BTS | Bit Test and Set | Store and set the selected bits in the CF flag |
Cから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| CALL | Call Procedure | Call the specified address. |
| CBW | Convert Byte to Word | Sign extension |
| CDQ | Convert Doubleword to Quadword | Sign extension |
| CLC | Clear Carry Flag | Clear the CF flag |
| CLD | Clear Direction Flag | Clear the DF flag |
| CLI | Clear Interrupt Flag | Clear the interrupt flag |
| CLTS | Clear Task-Switched Flag in CR0 | Clear the TS flag of CR0 |
| CMC | Complement Carry Flag | Invert the state of the CF flag |
| CM | Compare Two Operands | Make a comparison |
| CMPS/CMPSB/CMPSW/CMPSD | Compare String Operands | Compare strings |
| CMPXCHG | Compare and Exchange | Compare values and exchange values |
| CMPXCHG8B | Compare and Exchange 8 Bytes | Compare 64-bit values and exchange values |
| CPUID | CPU Identification | Obtain processor identification and functional information |
| CWD | Convert Word to Doubleword | Sign extension |
| CWDE | Convert Word to Doubleword | Sign extension |
Dから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| DAA | Decimal Adust AL after Addition | Decimal adjustment after addition |
| DAS | Decimal Adjust AL after Subtraction | Decimal adjustment after subtraction |
| DEC | Decrement by 1 | Decrement (subtract 1) |
| DIV | Unsigned Divide | Perform unsigned division |
Eから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| ENTER | Make Stack Frame for Procedure Parameters | Create a stack frame |
Fから始まる命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| FWAIT | Wait | Check for unmasked floating point exceptions in the lookup process |
Hから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| HLT | Halt | Put the processor into HALT state |
Iから開始する命令
| 命令 | ||
|---|---|---|
| 英語表表記 | 解説 | |
| IDIV | Signed Divide | 符号付き減算 |
| IMUL | Signed Multiply | 符号付き乗算 |
| IN | Input From Port | ポートからの入力を受ける |
| INC | Increment by 1 | 1加算する |
| INS/INSB/INSW/INSD | Input from Port to String | ポーチからの文字列を受ける |
| INT/INT3/INTO | Call to Interrupt Procedure | 割り込み処理を呼び出す |
| INVD | Invalid Cache | キャッシュを無効化 |
| INVLPG | Invalid TLB Entry | TLBエントリ無効化 |
| IRET/IRETD | Interrupt Return | 割り込み処理から復帰 |