- Loop on chirps implemented

chirp.cpp

@@ -144,6 +144,9 @@ int32_t interpret_next_token(uint8_t* buffer) {
 			param = *++*token;
 			if( param >= 48 && param <= 57 ) { tempo = tempos[param - 48] * 10; ++*token; }
 			return 0;
+		case '=':
+			song_ptr = song;
+			return 0;
 		case '\0':
 			return -1;
 		default: