OP codes for the slug computer
| OP code | Operation |
| 0 | NOP - next instruction |
| 1 | Load accumulator |
| 2 | Store accumulator to memory |
| 3 | Add memory to accumulator |
| 4 | Subtract memory from accumulator |
| 5 | Multiply memory by accumulator |
| 6 | Divide accumulator by memory |
| 7 | Jump unconditionally |
| 8 | Jump if ACC <=0 |
| 9 | Input value |
| 10 | Output (display) value |
| 99 | Stop |
| any other | NOP |