Negative p3 values dont work

<CsoundSynthesizer>

<CsOptions>

-odac

</CsOptions>

<CsInstruments>

sr = 44100

ksmps = 64

nchnls = 2

0dbfs = 1

instr 1

asig vco2 0.01,70

out asig

endin

</CsInstruments>

<CsScore>

i 1 0 0

i 1 0 -1

</CsScore>

</CsoundSynthesizer>

Hello, i reed manual and negative p3 values seem not to work