[SOLVED] 7 Segment driver MAX7219 : handling the dot on floating numbers

Hi there,

I wonder if anyone has tried to handle the dot (".") LED for displaying floating numbers, using this piece of HW? https://www.espruino.com/MAX7219

In the MAX7219 datasheet, page 7 ( https://www.espruino.com/datasheets/MAX7219.pdf ) , it says

When the code B decode mode is used, the decoder
looks only at the lower nibble of the data in the digit
registers (D3–D0), disregarding bits D4–D6. D7, which
sets the decimal point (SEG DP), is independent of the
decoder and is positive logic (D7 = 1 turns the decimal
point on)

Which seems to allow handling the dot (DP).
Do you guys think the MAX7219 module could be upgraded in order to support displaying floating numbers?