| Transfer Instructions |
| 00 | BRA | Unconditional jump to 22 bit address. Must be in Slot1. |
| 01 | RET | Return from subroutine. |
| 02 | BZ | Jump to 22 bit address if T=0. Must be in Slot1. |
| 03 | BC | Jump to 22 bit address if Carry=1. Must be in Slot1. |
| 04 | | |
| 05 | NEXT | Loop to 24 bit address. Must be in Slot1. |
| 06 | EI | Enable interrupts. |
| 07 | | |
| Memory Access Instructions |
| 08 | | |
| 09 | LDP | Push memory A to T. Increment A. |
| 0A | LDI | Push in-line literal to T. |
| 0B | LD | Push memory A to T. |
| 0C | | |
| 0D | STP | Pop T to memory A. Increment A. |
| 0E | RR8 | Rotate T right by 8 bits. |
| 0F | ST | Pop T to memory address A. |
| ALU Instructions |
| 10 | COM | Complement all bits in T. |
| 11 | SHL | Shift T left 1 bit. |
| 12 | SHR | Shift T right 1 bit. |
| 13 | MUL | Multiplication step. |
| 14 | XOR | Pop S and Exclusive OR it to T. |
| 15 | AND | Pop S and AND it to T. |
| 16 | DIV | Division step. |
| 17 | ADD | Pop S and add it to T. |
| Register Instructions |
| 18 | POP | Pop R to push T. |
| 19 | LDA | Push A to T. |
| 1A | DUP | Duplicate T. |
| 1B | OVER | Duplicate S. |
| 1C | PUSH | Pop T to push R. |
| 1D | STA | Pop T to A. |
| 1E | NOP | Do nothing. |
| 1F | DROP | Pop T. |
