| Instruction | Mnemonic | Machine Code |
| Load | LDA | 5xx |
| Store | STA | 3xx |
| Add | ADD | 1xx |
| Subtract | SUB | 2xx |
| Input | INP | 901 |
| Output | OUT | 902 |
| End | HLT | 000 |
| Branch if zero | BRZ | 7xx |
| Branch if zero or positive | BRP | 8xx |
| Branch always | BRA | 6xx |
| Data storage | DAT |
The memory locations on the side of the simulator change numbers. It is one of the first computer programs, it was made in 1965 by Dr Stuart Madnick. It is very basic program as it can only input and output numbers and some other commands.
