Use "SYS" 1 to turn on the extensions.
#ANSISGM Attr, Foreground, Background Set Graphics Mode. See ANSI escape sequences for the values.
#ANSIEL 0 Erase line from current position to end of line
#ANSISC 0 Save current cursor position.
#ANSIRC 0 Restore cursor position
Note that these are highly dependant on the terminal program you are using. Testing on PuTTY showed that blink does not work. Instead, you get reverse screen with a dimmer background color.
It has been tested with
- Raspian on a Raspberry PI 0 W using PuTTY running on Windows