| Operation | Meaning |
|---|---|
| STP | Stop the program |
| LDA | Load register A with value from a specified memory location |
| LDB | Load register B with value from a specified memory location |
| STR | Store register B value to a specified memory location |
| INP | Store data input by user to a specified memory location |
| PNT | Print the value stored in a specified memory location to the screen |
| JLT | Jump if less than (Status register = -1) to a specified memory location |
| JGT | Jump if greater than (Status register = 1) to a specified memory location |
| JEQ | Jump if equal (Status register = 0) to a specified memory location |
| JMP | Unconditional jump to a specified memory location |
| CMP | Compare register A to register B and set Status Register value |
| ADD | Add (register A + register B) and store sum in register B |
| SUB | Subtract (register A - register B) and store difference in register B |
| MUL | Multiply (register A * register B) and store product in register B |
| DIV | Divide for quotient (register A/register B) and store quotient in register B |
| MOD | Divide for remainder (register A/register B) and store remainder in register B |