Function pir_8_emu::binutils::pir_8_emu::display::status::read_pos_float

pub fn read_pos_float(
    x_start: usize, 
    y_start: usize, 
    label: &str
) -> Option<f64>

Read a positive floating-point number at the status line

The prompt will appear in the value space, and the value will be set to in-put value, if the input was cancelled, it'll be {cancelled}, and if the number wasn't valid, {parse failed}