Having said that, you may need to send the same addresses to each chip. So:
[0,chip1row0,0,chip2row0,1,chip1row1,1,chip2row1, ...]
I don't have one here to play with and test but it should be pretty easy to get working.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Having said that, you may need to send the same addresses to each chip. So:
I don't have one here to play with and test but it should be pretty easy to get working.