block joystick if mouse emulated

Author: Apaczer

libretro/core/core-mapper.cpp

@@ -95,6 +95,7 @@ int second_joystick_enable = 0;
 
 void read_joystick(int nr, unsigned int *dir, int *button)
 {
+    if (MOUSE_EMULATED==1 && SHOWKEY==-1)
     int up    = input_state_cb(nr, RETRO_DEVICE_JOYPAD, 0,RETRO_DEVICE_ID_JOYPAD_UP);
     int down  = input_state_cb(nr, RETRO_DEVICE_JOYPAD, 0,RETRO_DEVICE_ID_JOYPAD_DOWN);
     int left  = input_state_cb(nr, RETRO_DEVICE_JOYPAD, 0,RETRO_DEVICE_ID_JOYPAD_LEFT);
@@ -105,7 +106,7 @@ void read_joystick(int nr, unsigned int *dir, int *button)
     *dir = 0;
     *button = 0;
 
-    if ((nr == 0) && (SHOWKEY==1) || (pauseg==1))
+    if ((nr == 0) && (SHOWKEY==1) || (pauseg==1) || (MOUSE_EMULATED==1))
         return;
 
     if ((nr == 1) && (!second_joystick_enable))