| Symbol |
Hex
code |
Example |
Register Transfer Language |
| AND |
0xxx |
AND <M> |
AC <-- AC and M[xxx] |
| AND | 8xxx | AND <M> I |
AC <-- AC and M[M[xxx]] |
| ADD |
1xxx |
ADD <M> | AC <-- AC + M[xxx] |
| ADD | 9xxx | ADD <M> I |
AC <-- AC + M[M[xxx]] |
| LDA |
2xxx |
LDA <M> | AC <-- M[xxx] |
| LDA | Axxx | LDA <M> I |
AC <-- M[M[xxx]] |
| STA |
3xxx |
STA <M> |
M[xxx] <-- AC |
| STA | Bxxx | STA <M> I |
M[M[xxx]] <-- AC |
| BUN |
4xxx |
BUN <M> | PC <-- M[xxx] |
| BUN | Cxxx | BUN <M> I |
PC <-- M[M[xxx]] |
| BSA |
5xxx |
BSA <M> | M[xxx] <-- PC PC <-- M[xxx] + 1 |
| BSA | Dxxx | BSA <M> I |
M[M[xxx]] <-- PC PC <-- M[xxx] + 1 |
| ISZ |
6xxx |
ISZ <M> | M[xxx] <-- M[xxx] + 1 if (M[xxx] = 0) then PC <-- PC + 1 |
| ISZ | Exxx | ISZ <M> I |
M[M[xxx]] <-- M[M[xxx]] + 1 if (M[M[xxx]] = 0) then PC <-- PC + 1 |
| CLA |
7800 |
CLA |
AC <-- 0 |
| CLE |
7400 |
CLE | E <-- 0 |
| CMA |
7200 |
CMA | AC <-- not AC (1's complement) |
| CME |
7100 |
CME | E <-- not E |
| CIR |
7080 |
CIR | AC (0-14) <-- AC (1-15) AC (15) <-- E E <-- AC (0) |
| CIL |
7040 |
CIL | AC (1-15) <-- AC (0-14) AC (0) <-- E E <-- AC (15) |
| INC |
7020 |
INC | AC <-- AC + 1 |
| SPA |
7010 |
SPA | if (AC(15) = 0) PC <-- PC + 1 |
| SNA |
7008 |
SNA | if (AC(15) = 1) PC <-- PC + 1 |
| SZA |
7004 |
SZA | if (AC = 0) PC <-- PC + 1 |
| SZE |
7002 |
SZE | if (E = 0) PC <-- PC + 1 |
| HLT |
7001 |
HLT | S <-- 0 |
| INP |
F800 |
INP | AC <-- INPR |
| OUT |
F400 |
OUT | OUTR <-- AC |
| SKI |
F200 |
SKI | if (FGI = 1) PC <-- PC + 1 |
| SKO |
F100 |
SKO | if (FGO = 1) PC <-- PC + 1 |
| ION |
F080 |
ION | IEN <--- 1 |
| IOF |
F040 |
IOF | IEN <-- 0 |