Fix/add key mappings

code/_globalvars/lists/client.dm

@@ -6,20 +6,42 @@ GLOBAL_LIST_EMPTY(keybindings_by_name)
 // This is a mapping from JS keys to Byond - ref: https://keycode.info/
 GLOBAL_LIST_INIT(_kbMap, list(
 	"UP" = "North",
+	"ARROWUP" = "North",
 	"RIGHT" = "East",
+	"ARROWRIGHT" = "East",
 	"DOWN" = "South",
+	"ARROWDOWN" = "South",
 	"LEFT" = "West",
+	"ARROWLEFT" = "West",
 	"INSERT" = "Insert",
 	"HOME" = "Northwest",
 	"PAGEUP" = "Northeast",
-	"DEL" = "Delete",
+	"DEL" = "Delete", // Unlikely this is correct now
+	"DELETE" = "Delete",
 	"END" = "Southwest",
 	"PAGEDOWN" = "Southeast",
 	"SPACEBAR" = "Space",
 	"ENTER" = "Return",
 	"ALT" = "Alt",
 	"SHIFT" = "Shift",
-	"CONTROL" = "Ctrl"
+	"CONTROL" = "Ctrl",
+	"MULTIPLY" = "Multiply",
+	"DIVIDE" = "Divide",
+	"SUBTRACT" = "Subtract",
+	"ADD" = "Add",
+	"DECIMAL" = "Decimal",
+	"CLEAR" = "Center",
+	"PAUSE" = "Pause",
+	"CONTEXTMENU" = "Apps",
+	"NUMLOCK" = "Numlock",
+	"SCROLLLOCK" = "Scroll",
+	"MEDIANEXTTRACK" = "MediaNext",
+	"MEDIAPLAYPAUSE" = "MediaPlayPause",
+	"MEDIASTOP" = "MediaStop",
+	"MEDIAPREVIOUSTRACK" = "MediaPrev",
+	"VOLUMEMUTE" = "VolumeMute",
+	"VOLUMEUP" = "VolumeUp",
+	"VOLUMEDOWN" = "VolumeDown",
 	))
 
 ///List of ckeys that have seen a blurb of a given key.