1300 VTAB 15: HTAB 1: PRINT "Click the keys with the": PRINT "mouse to play. Slide": PRINT "the pointer on the": PRINT "sliding control to": PRINT "change volume. Use the ": PRINT "sliding control for the"
1310 PRINT "octave. Keys 1-6 also": PRINT "change the octave.": PRINT "Click QUIT to quit.";
1320 WAIT -16384,128: POKE -16368,0
1330 POKE 33,25: POKE 34,14: HOME : TEXT
1340 VTAB 18: HTAB 1
1350 INVERSE : FOR I = 1 TO 2: PRINT " ": NEXT : PRINT " QUIT ": FOR I = 1 TO 2: PRINT " ": REM 10,3,3,10 spc
1360 NEXT
1370 VTAB 18: FOR I = 1 TO 2: HTAB 12: PRINT " ": NEXT : HTAB 12: PRINT " HELP ": FOR I = 1 TO 2: HTAB 12: PRINT " ": NEXT : REM 10,3,3,10 spc
1380 NORMAL
1390 RETURN
1400 END
1410 REM Load sound wave
1420 FOR I = 0 TO 255:Y = 128 +127 * SIN(I/P): POKE 16384 +I,Y: NEXT : & LOAD 16384: RETURN
1430 REM Create frequency array
1440 DATA 20856,22080,23400,24800,26280,27840,29500,31240,33120,35080,37160,39380
1450 FOR I = 1 TO 12: READ N(6,I): FOR J = 5 TO 1 STEP -1:N(J,I) = N(J +1,I)/2: NEXT J,I: RETURN