| Switches | |
|---|---|
| CLR | Clear Link bit |
| LOAD ADDR | Load SR into PC |
| DEP | Load PC into MA, increment PC. Load SR into MB, write MB to MA |
| EXAM | Load PC into MA, increment PC. Read MA into MB |
| START | Start computer |
| STOP | Stop computer |
| SING INST | Execute a single instruction cycle |
| SING STEP | Execute step in instruction cycle |
| SWITCH REGISTER | 12-bit register used for user input |
| INST FIELD | (NOT IMPLEMENTED) |
| DATA FIELD | (NOT IMPLEMENTED) |
| Hotkeys | |
|---|---|
| <Ctrl> + <Enter> | Start computer |
| <Ctrl> + <Backspace> | Stop computer |
| <Ctrl> + <Space> | Cycle computer |
| <Ctrl> + <Esc> | Reset computer |
| <Ctrl> + <Delete> | Clear screen |
PDP-8 Emulator © 2024 Rex McKinnon — Source Code — Example Programs