<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in    No messages
-odac           -iadc     -d     ;;;RT audio I/O
; For Non-realtime ouput leave only the line below:
; -o FLcount.wav -W ;;; for file output any platform
</CsOptions>
<CsInstruments>

; Demonstration of the flcount opcode
; clicking on the single arrow buttons
; increments the oscillator in semitone steps
; clicking on the double arrow buttons 
; increments the oscillator in octave steps
sr = 44100
kr = 441
ksmps = 100
nchnls = 1

FLpanel "Counter", 900, 400, 50, 50
    ; Minimum value output by counter
    imin = 6
    ; Maximum value output by counter
    imax = 12
    ; Single arrow step size (semitones)
    istep1 = 1/12
    ; Double arrow step size (octave)
    istep2 = 1 
    ; Counter type (1=double arrow counter)
    itype = 1
    ; Width of the counter in pixels
    iwidth = 200
    ; Height of the counter in pixels
    iheight = 30
    ; Distance of the left edge of the counter
    ; from the left edge of the panel
    ix = 50
    ; Distance of the top edge of the counter
    ; from the top edge of the panel
    iy = 50
    ; Score event type (-1=ignored)
    iopcode = -1

    gkoct, ihandle FLcount "pitch in oct format", imin, imax, istep1, istep2, itype, iwidth, iheight, ix, iy, iopcode, 1, 0, 1
; End of panel contents
FLpanelEnd
; Run the widget thread!
FLrun

instr 1
    iamp = 15000
    ifn = 1
    asig oscili iamp, cpsoct(gkoct), ifn
    out asig
endin


</CsInstruments>
<CsScore>

; Function table that defines a single cycle
; of a sine wave.
f 1 0 1024 10 1

; Instrument 1 will play a note for 1 hour.
i 1 0 3600
e


</CsScore>
</CsoundSynthesizer>