        gaudio        init 0   ; audio signal from samp to global instrument
        galeft        init 0   ; left chan input to global delay or reverb 
        garight       init 0   ; right chan input to global delay or reverb
        gadeltime     init 0
        gafeedback    init 0    ; global delay feedback, mono or left channel
        gafeedbackr   init 0    ; global delay feedback right channel
        gktest        init 0
        gkmod         init 0 
        gkfc2         init 0
        gkcs1         init 0
        gkcs2         init 0
