Instructions by opcode
| 0x00 | 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09 | 0x0a | 0x0b | 0x0c | 0x0d | 0x0e | 0x0f | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0x00 | NOP | AJMP | LJMP | RR | INC | INC | INC | INC | INC | INC | INC | INC | INC | INC | INC | INC |
| 0x10 | JBC | ACALL | LCALL | RRC | DEC | DEC | DEC | DEC | DEC | DEC | DEC | DEC | DEC | DEC | DEC | DEC |
| 0x20 | JB | AJMP | RET | RL | ADD | ADD | ADD | ADD | ADD | ADD | ADD | ADD | ADD | ADD | ADD | ADD |
| 0x30 | JNB | ACALL | RETI | RLC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC | ADDC |
| 0x40 | JC | AJMP | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL | ORL |
| 0x50 | JNC | ACALL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL | ANL |
| 0x60 | JZ | AJMP | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL | XRL |
| 0x70 | JNZ | ACALL | ORL | JMP | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV |
| 0x80 | SJMP | AJMP | ANL | MOVC | DIV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV |
| 0x90 | MOV | ACALL | MOV | MOVC | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB | SUBB |
| 0xa0 | ORL | AJMP | MOV | INC | MUL | ? | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV |
| 0xb0 | ANL | ACALL | CPL | CPL | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE | CJNE |
| 0xc0 | PUSH | AJMP | CLR | CLR | SWAP | XCH | XCH | XCH | XCH | XCH | XCH | XCH | XCH | XCH | XCH | XCH |
| 0xd0 | POP | ACALL | SETB | SETB | DA | DJNZ | XCHD | XCHD | DJNZ | DJNZ | DJNZ | DJNZ | DJNZ | DJNZ | DJNZ | DJNZ |
| 0xe0 | MOVX | AJMP | MOVX | MOVX | CLR | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV |
| 0xf0 | MOVX | ACALL | MOVX | MOVX | CPL | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV | MOV |
Alphabetical List of Instructions
-
- ACALL – Absolute Call
- ADD, ADDC – Add Accumulator (With Carry)
- AJMP – Absolute Jump
- ANL – Bitwise AND
- CJNE – Compare and Jump if Not Equal
- CLR – Clear Register
- CPL – Complement Register
- DA – Decimal Adjust
- DEC – Decrement Register
- DIV – Divide Accumulator by B
- DJNZ – Decrement Register and Jump if Not Zero
- INC – Increment Register
- JB – Jump if Bit Set
- JBC – Jump if Bit Set and Clear Bit
- JC – Jump if Carry Set
- JMP – Jump to Address
- JNB – Jump if Bit Not Set
- JNC – Jump if Carry Not Set
- JNZ – Jump if Accumulator Not Zero
- JZ – Jump if Accumulator Zero
- LCALL – Long Call
- LJMP – Long Jump
- MOV – Move Memory
- MOVC – Move Code Memory
- MOVX – Move Extended Memory
- MUL – Multiply Accumulator by B
- NOP – No Operation
- ORL – Bitwise OR
- POP – Pop Value From Stack
- PUSH – Push Value Onto Stack
- RET – Return From Subroutine
- RETI – Return From Interrupt
- RL – Rotate Accumulator Left
- RLC – Rotate Accumulator Left Through Carry
- RR – Rotate Accumulator Right
- RRC – Rotate Accumulator Right Through Carry
- SETB – Set Bit
- SJMP – Short Jump
- SUBB – Subtract From Accumulator With Borrow
- SWAP – Swap Accumulator Nibbles
- XCH – Exchange Bytes
- XCHD – Exchange Digits
- XRL – Bitwise Exclusive OR
- Undefined – Undefined Instruction