Graphics on ESP8266

Hi @navas,

first erase the flash and then use the flash setting for 512KB listed in README_flash.txt

     _____                 _
|   __|___ ___ ___ _ _|_|___ ___
|   __|_ -| . |  _| | | |   | . |
|_____|___|  _|_| |___|_|_|_|___|
              |_| http://espruino.com
 1v91.2149 Copyright 2016 G.Williams
Espruino is Open Source. Our work is supported
only by sales of official boards and donations:
http://espruino.com/Donate
Flash map 512KB:256/256, manuf 0xe0 chip 0x4016
WARNING: *** Your flash chip does not match your flash map ***
> 

you can ignore the warning, but you should seriously think about a donation