switch(nbh_generator.waveform){
                case SAT:
                    nbh_generator.waveformP = &&SAT_GEN;
                    break;
                case TRA:
                    nbh_generator.waveformP = &&TRA_GEN;
                    break;
                case SQR:
                    nbh_generator.waveformP = &&SQR_GEN;
                    break;
            }
        }

        goto *nbh_generator.waveformP;
        SAT_GEN:

        TRA_GEN:

        SQR_GEN:
        return 0;