#define EEPROM_MODE 0 

#define FLAG_WAIT_FOR_LASER 256  and handle that in bresenhamStep() ??

 #define GANTRY ( DRIVE_SYSTEM==XY_GANTRY || DRIVE_SYSTEM==YX_GANTRY || DRIVE_SYSTEM==XZ_GANTRY || DRIVE_SYSTEM==ZX_GANTRY || DRIVE_SYSTEM==GANTRY_FAKE)

#define ENDSTOP_PULLUP_X_MIN true

#define FAST_COREXYZ

#define BEEPER_PIN             37

#define EEPROM_MODE 0     

#define BEEPER_PIN             37

#define FEATURE_UI_KEYS 0

#define FEATURE_UI_KEYS 0

#define FEATURE_CONTROLLER 11

search for    #define MIN_EXTRUDER_TEMP

#define UI_HAS_KEYS 1

Normally it's easy to adapt to other firmware (just change "#define FAN_PIN 6" in "pins.h") 

Hello i see another question and answer about red fan extender but i have one problem with this.ramp 1.4 and arduino mega 2560 i add a red fan extender and  in pin .h #define fan pin 4 i change with 6

#define ENDSTOP_PULLUP_X_MIN true

#define SUPPORT_LASER 1

#define Z_PROBE_Z_OFFSET 0

head crash after Z home is because you have set "#define Z_PROBE_BED_DISTANCE 10".. It will try to go to 10mm lower after homing Z, because it thinks that Z probe triggers at Z=10! I had the

#define ZHOME_X_POS 105