diff --git a/configs/all/retroarch/config/fMSX/Antarctic Adventure (Japan).opt b/configs/all/retroarch/config/fMSX/Antarctic Adventure (Japan).opt
new file mode 100644
index 0000000..8fc5406
--- /dev/null
+++ b/configs/all/retroarch/config/fMSX/Antarctic Adventure (Japan).opt	
@@ -0,0 +1,7 @@
+fmsx_custom_keyboard_start = "2"
+fmsx_custom_keyboard_a = "space"
+fmsx_custom_keyboard_y = "space"
+fmsx_custom_keyboard_up = "up"
+fmsx_custom_keyboard_down = "down"
+fmsx_custom_keyboard_left = "left"
+fmsx_custom_keyboard_right = "right"
diff --git a/configs/amiga/amiberry/conf/retroarch.cfg b/configs/amiga/amiberry/conf/retroarch.cfg
new file mode 120000
index 0000000..b26ed82
--- /dev/null
+++ b/configs/amiga/amiberry/conf/retroarch.cfg
@@ -0,0 +1 @@
+/opt/retropie/configs/all/retroarch.cfg
\ No newline at end of file
diff --git a/configs/msx/fmsx/Antarctic Adventure (Japan).rmp b/configs/msx/fmsx/Antarctic Adventure (Japan).rmp
index 5582555..0cdca07 100644
--- a/configs/msx/fmsx/Antarctic Adventure (Japan).rmp	
+++ b/configs/msx/fmsx/Antarctic Adventure (Japan).rmp	
@@ -1,2 +1,2 @@
-input_libretro_device_p1 = "1"
+input_libretro_device_p1 = "1025"
 input_player1_analog_dpad_mode = "1"
diff --git a/configs/msx/openmsx/share/systemroms b/configs/msx/openmsx/share/systemroms
new file mode 120000
index 0000000..8a02a79
--- /dev/null
+++ b/configs/msx/openmsx/share/systemroms
@@ -0,0 +1 @@
+/home/hoon/RetroPie/BIOS/openmsx
\ No newline at end of file