diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..52c505d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+/.idea
+/.cache
+/.ccls-cache
+/compile_commands.json
+/cmake-build-debug
+/build
diff --git a/main.cpp b/main.cpp
index e335c57..b937c42 100644
--- a/main.cpp
+++ b/main.cpp
@@ -86,6 +86,7 @@ struct Axes {
     short RightThumbY = 0;
     short DPadX = 0;
     short DPadY = 0;
+    // TODO Left & Right triggers should start at -32767 because 0 would be pressed half way.
     short LeftTrigger = 0;
     short RightTrigger = 0;
 };
@@ -111,7 +112,7 @@ size_t get_axis_state(struct js_event *event, struct Axes& axes)
     size_t axis = event->number;
     short value = event->value;
 
-    // Appear to be mappings for XBox
+    // X-Box 360 & X-Box One are the same.
     if (axis == 0) axes.LeftThumbX = value;
     if (axis == 1) axes.LeftThumbY = value;
     if (axis == 2) axes.LeftTrigger = value;
@@ -121,6 +122,45 @@ size_t get_axis_state(struct js_event *event, struct Axes& axes)
     if (axis == 6) axes.DPadX = value;
     if (axis == 7) axes.DPadY = value;
 
+    // "Sony PLAYSTATION(R)3 Controller", Has 6 axes.
+    /*
+    // D-PAD UP -> Button 12
+    // D-Pad DOWN -> Button 13
+    // D-Pad LEFT -> Button 14
+    // D-Pad RIGHT -> Button 15
+    if (axis == 0) axes.LeftThumbX = value;
+    if (axis == 1) axes.LeftThumbY = value;
+    if (axis == 3) axes.RightThumbX = value;
+    if (axis == 4) axes.RightThumbY = value;
+    if (axis == 2) axes.LeftTrigger = value;
+    if (axis == 5) axes.RightTrigger = value;
+    */
+
+
+    // Playstation 4
+    /*
+    if (axis == 0) axes.LeftThumbX = value;
+    if (axis == 1) axes.LeftThumbY = value;
+    if (axis == 3) axes.RightThumbX = value;
+    if (axis == 4) axes.RightThumbY = value;
+    if (axis == 2) axes.LeftTrigger = value;
+    if (axis == 5) axes.RightTrigger = value;
+    if (axis == 6) axes.DPadX = value;
+    if (axis == 7) axes.DPadY = value;
+    */
+
+    // "8BitDo Pro 2" in Direct Input mode. This controller also supports the Xbox mode.
+    /*
+    if (axis == 0) axes.LeftThumbX = value;
+    if (axis == 1) axes.LeftThumbY = value;
+    if (axis == 2) axes.RightThumbX = value;
+    if (axis == 3) axes.RightThumbY = value;
+    if (axis == 4) axes.RightTrigger = value;
+    if (axis == 5) axes.LeftTrigger = value;
+    if (axis == 6) axes.DPadX = value;
+    if (axis == 7) axes.DPadY = value;
+    */
+
 
     std::cout << std::format("axis_index: {}, val: {}", axis, value) << std::endl;
     std::cout << std::format("lthumb: {},{} ltrigger: {}, rthumb: {},{}, rtrigger: {}, dp: {},{}",  axes.LeftThumbX, axes.LeftThumbY, axes.LeftTrigger, axes.RightThumbX, axes.RightThumbY, axes.RightTrigger, axes.DPadX, axes.DPadY) << std::endl;