| 1 | Overview |
| 2 | ======== |
| 3 | |
| 4 | This is an integer-only, stack-based, four function calculator written in NED |
| 5 | assembly. |
| 6 | |
| 7 | Compatibility |
| 8 | ============= |
| 9 | |
| 10 | The calculator is compatible with `nedasm` v3 and `nedsim` v4. |
| 11 | |
| 12 | Instructions |
| 13 | ============ |
| 14 | |
| 15 | Command Effect |
| 16 | ============================================== |
| 17 | 0-9 Append digit to current stack entry |
| 18 | |
| 19 | . Next stack entry |
| 20 | , Previous stack entry |
| 21 | |
| 22 | ; Negate stack entry |
| 23 | ' Zero stack entry |
| 24 | |
| 25 | + Addition |
| 26 | - Subtraction |
| 27 | * Multiplication |
| 28 | / Division (with remainder) |