First commit, compiles without sound for now. Need to change controls, levels, remove some menus, and make sound work

include/game_time.h

@@ -0,0 +1,24 @@
+#ifndef __TIME_H__
+#define __TIME_H__
+
+#include <SDL.h>
+
+// Number of cycles to process before displaying an image
+extern Uint16 game_time_get_cycles_to_calculate();
+
+// Current speed of the game
+extern Uint16 game_time_get_speed();
+
+// Duration of a cycle (in ms)
+extern Uint16 game_time_get_cycles_length();
+
+// Time initialization
+extern void game_time_init();
+
+// Set the speed of the game
+extern void game_time_set_speed(Uint16 speed);
+
+// Compute the current time of the game
+extern void game_time_update();
+
+#endif /* __TIME_H__ */