Changes
/* Automatic feeding of sound generator */
The available commands are :
*0RDDh LOAD R,D DD Load 8 bit data D DD to PSG register R (0R015)
*1NNNh PAUSE N Pause for N prescaled ticks (0<No4095)
*2NNNh REPEAT N Set loop counter to N for this stream (0<No4095)and mark next instruction as loop start.
