#define DEFAULT_PRINTER_MODE 0

The newer version of the firmware seems to use many new vairables that are of course not defined in the factory supplied firmware. So far I have managed to add these #defines for a lot of those variab

* changed #define EXT0_JAM_PIN -1 to 42 in configuration.h

There is also a way to debug more detailed. Compile with #define DEBUG_QUEUE_MOVE

Sounds like you convinved firmware to reduce speed on every corner. The speed at joining lines is defined by xy jerk and angle change. You could also add#define ALTERNATIVE_JERK

I have changed my #define ZAXIS_STEPS_PER_MM 1600 up and down but still only 2 mm when i tell z to move 10 mm

  #define ENDSTOP_Y_MIN_INVERTING true

 #define  _WRITE(IO, v)   do { if (v) {DIO ##  IO ## _WPORT |= MASK(DIO ## IO ## _PIN); } else {DIO ##  IO ## _WPORT &= ~MASK(DIO ## IO ## _PIN); }; } while (0)

Under the uilang.h on the firmware files, there's the "#define UI_TEXT_PRINT_POS_EN        "Printing.."" that displays "Printing" while I am printing a file. The problem

#define EXT0_X_OFFSET -500#define EXT0_Y_OFFSET -500

#define DISTORTION_CORRECTION 1 

- what does the code /xa or /xe do with the IDs? e.g. #define UI_TEXT_MAINPAGE6_1_ID 229 //"\xa %e0/%E0\xb0 X:%x0"

#define CONFIGURATION_H

#define NUM_EXTRUDER 2

 #define EXT2_ENABLE_PIN ORIG_E2_ENABLE_PIN

I've had this happen before. It looks like switching power supplies worked for OP, but if anyone else has this issue, try this:#define Z_PROBE_START_SCRIPT "M340 P0 S2290\nG4 P2000\nM340 P0 S0&qu

#define MAX_FEEDRATE_X 80

I know how to move the PS-ON (just by modification of the line #define PS_ON_PIN ORIG_PS_ON_PIN to something like #define PS_ON_PIN 16.

#define Z_PROBE_Z_OFFSET 0

#define X_STEP_PIN         54