gcode interpreter esp8266

I modified https://github.com/alx/reprap-arduino-firmware/tree/master/GCode_Interpreter arduino gcode interpreter for working with esp8266.
Can command only 2 motors byj-48 unipolar on D0-D3 and D5-D8.
I find and i resolve some bugs ... you can see in source file.
Program is compiled with arduino ide with settings:

//Arduino flash:DIO Flash size:16M Reset method:Nodemcu Upload speed:921600 Erase Flash:All flash contents


I disactivate termocouple support and axe Z ... but easy can be a