The following table lists keyboard and speaker library routines.
Name |
Routine Type |
Description |
---|---|---|
Runtime Function |
Returns the next keyboard keystroke. |
|
Portability subroutine |
Sounds the speaker for a specified duration in milliseconds at a specified frequency in Hertz. |
|
Runtime function |
Reads a character string from the keyboard using buffered input. |
|
Runtime function |
Checks the buffer to see if a keystroke is waiting. |