[Overview][Constants][Types][Procedures and functions][Variables][Index] | Reference for unit 'Crt' (#rtl)

# Reference for unit 'Crt': Procedures and functions

`AssignCrt` |  | Assign file to CRT.
`ClrEol` |  | Clear from cursor position till end of line.
`ClrScr` |  | Clear current window.
`cursorbig` |  | Show big cursor
`cursoroff` |  | Hide cursor
`cursoron` |  | Display cursor
`Delay` |  | Delay program execution.
`DelLine` |  | Delete line at cursor position.
`GotoXY` |  | Set cursor position on screen.
`HighVideo` |  | Switch to highlighted text mode
`InsLine` |  | Insert an empty line at cursor position
`KeyPressed` |  | Check if there is a keypress in the keybuffer
`LowVideo` |  | Switch to low intensity colors.
`NormVideo` |  | Return to normal (startup) modus
`NoSound` |  | Stop system speaker
`ReadKey` |  | Read key from keybuffer
`Sound` |  | Sound system speaker
`TextBackground` |  | Set text background
`TextColor` |  | Set text color
`TextMode` |  | Set screen mode.
`WhereX` |  | Return X (horizontal) cursor position
`WhereY` |  | Return Y (vertical) cursor position
`Window` |  | Create new window on screen.