Subdirize assets, add TSX support

assets/config/init_psp.dcf

@@ -0,0 +1,17 @@
+echo " = Dawn PSP = ";
+
+bind up up;
+bind down down;
+bind left left;
+bind right right;
+bind cross accept;
+bind circle cancel;
+bind select toggleconsole;
+bind start toggleconsole;
+
+bind lstick_negative_y up;
+bind lstick_positive_y down;
+bind lstick_negative_x left;
+bind lstick_positive_x right;
+
+fps 1;