rem: void PauseFrame ()
add: PauseFrame ()
context: void PauseFrame (){	unsigned long curtime;	if(trackxtra->paused)		unpause_sound(WaveData);	else		pause_sound(WaveData);	curtime = get_clock();	trackxtra->time = curtime - trackxtra->time;	trackxtra->paused = ! trackxtra->paused;}