v108.1

* added CPU and SA1 overclocking support
* added fast forward speed limiting
* added option to mute during fast forwarding and rewinding
* lowered volume when not muting during FF/rewind
* reformatted settings/tools windows from tabs to lists
* moved focus settings to input settings panel
* redesigned input and hotkey settings panels to be easier to use
* fixed offscreen placement issue with path settings panel
* added hotkey combinational logic option (AND / OR mode setting)
* added search support to file browser dialog
* fixed --fullscreen command-line option

ruby/video/xshm.cpp

@@ -74,7 +74,7 @@ struct VideoXShm : VideoDriver {
   auto output(uint width = 0, uint height = 0) -> void override {
     uint windowWidth, windowHeight;
     size(windowWidth, windowHeight);
-    if(!_image) return;
+    if(!_image || !_inputBuffer || !_outputBuffer) return;
 
     if(!width) width = _outputWidth;
     if(!height) height = _outputHeight;