<CsoundSynthesizer>
<CsOptions>
-Ma
</CsOptions>
<CsInstruments>
sr = 44100
ksmps = 32
nchnls = 1
0dbfs = 1

          massign   0, 1 ;assign all incoming midi to instr 1
giInstrs ftgen 0, 0, -5, -2, 2, 3, 4, 10, 100 ;instruments to be triggered

 opcode MidiTrig, 0, io
;triggers the first inum instruments in the function table ifn by a midi event
; with fractional numbers containing channel and note number information

; -- if inum=0 or not given, all instrument numbers in ifn are triggered
ifn, inum  xin
inum      =         (inum == 0 ? ftlen(ifn) : inum)
inote     notnum
ichn      midichn
iturnon   =         0
turnon:
iinstrnum tab_i     iturnon, ifn
if iinstrnum > 0 then
ifracnum  =         iinstrnum + ichn/100 + inote/100000
         event_i   "i", ifracnum, 0, -1
endif
         loop_lt   iturnon, 1, inum, turnon
kend      release
if kend == 1 then
kturnoff  =         0
turnoff:
kinstrnum tab       kturnoff, ifn
 if kinstrnum > 0 then
kfracnum  =         kinstrnum + ichn/100 + inote/100000
         event     "i", -kfracnum, 0, 1
         loop_lt   kturnoff, 1, inum, turnoff
 endif
endif
 endop

 instr 1 ;global midi instrument
; -- trigger the first two instruments in the giInstrs table
         MidiTrig  giInstrs, 2
 endin

 instr 2
ichn      =         int(frac(p1)*100)
inote     =         round(frac(frac(p1)*100)*1000)
         prints    "instr %f: ichn = %f, inote = %f%n", p1, ichn, inote
         printks   "instr %f playing!%n", 1, p1
 endin

 instr 3
ichn      =         int(frac(p1)*100)
inote     =         round(frac(frac(p1)*100)*1000)
         prints    "instr %f: ichn = %f, inote = %f%n", p1, ichn, inote
         printks   "instr %f playing!%n", 1, p1
 endin

</CsInstruments>
<CsScore>
</CsScore>
</CsoundSynthesizer>
;Example by Joachim Heintz, using code of Victor Lazzarini
