| Name | Routine Type | Description |
|---|---|---|
| GETCHARQQ | Run-time Function | Returns the next keyboard keystroke. |
| BEEPQQ | Portability subroutine | Sounds the speaker for a specified duration in milliseconds at a specified frequency in Hertz. |
| GETSTRQQ | Run-time function | Reads a character string from the keyboard using buffered input. |
| PEEKCHARQQ | Run-time function | Checks the buffer to see if a keystroke is waiting. |