| Mnenomic | Operation | Addressing
Mode |
Instruction | Condition Codes |
|||
| Prebyte | Opcode | Operand | Cycles | ||||
| RTS | Return from Subroutine | INH | - | 39 | - | 5 |  |
| SBA | Subtract B from A | INH | - | 10 | - | 2 |  |
| SBCA | Subtract with Carry from A | IMM | - | 82 | ii | 2 | |
| DIR | - | 92 | dd | 3 | |||
| EXT | - | B2 | hh ll | 4 | |||
| IND, X | - | A2 | ff | 4 | |||
| IND, Y | 18 | A2 | ff | 5 | |||
| SBCB | Subtract with Carry from B | IMM | - | C2 | ii | 2 | |
| DIR | - | D2 | dd | 3 | |||
| EXT | - | F2 | hh ll | 4 | |||
| IND, X | - | E2 | ff | 4 | |||
| IND, Y | 18 | E2 | ff | 5 | |||
| SEC | Set Carry | INH | - | 0D | - | 2 |  |
| SEI | Set Interrupt Mask | INH | - | 0F | - | 2 |  |
| SEV | Set Overflow Flag | INH | - | 0B | - | 2 |  |
| STAA | Store Accumulator A | DIR | - | 97 | dd | 3 |  |
| EXT | - | B7 | hh ll | 4 | |||
| IND, X | - | A7 | ff | 4 | |||
| IND, Y | 18 | A7 | ff | 5 | |||
| STAB | Store Accumulator B | DIR | - | D7 | dd | 3 | |
| EXT | - | F7 | hh ll | 4 | |||
| IND, X | - | E7 | ff | 4 | |||
| IND, Y | 18 | E7 | ff | 5 | |||
