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#!/bin/zsh
#
#  mur.sat
#
#  Somewhen in the year 2012, mur.at will have a nano satellite launched
#  into a low earth orbit (310 km above the surface of our planet). The
#  satellite itself is a TubeSat personal satellite kit, developed and
#  launched by interorbital systems. mur.sat is a joint venture of mur.at,
#  ESC im Labor and realraum.
#
#  Please visit the project hompage at sat.mur.at for further information.
#
#
#  Copyright (C) 2011 Bernhard Tittelbach <xro@realraum.at>
#
#  This file is part of mur.sat.
#
#  mur.sat is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  any later version.
#
#  mur.sat is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with mur.sat. If not, see <http://www.gnu.org/licenses/>.
#

setopt extendedglob

function killchilds
{
  for childspec (${jobstates}) print kill ${${childspec[(s/:/w)5]}%%\=*};
}

typeset -i DURATION=${1:-10}
CMD="play -n synth $DURATION"
while true; do
  read -k 1 DIGIT
  case $DIGIT in
    1)  ${=CMD} sin 697 sin 1209 & ;;
    2)  ${=CMD} sin 697 sin 1336 & ;;
    3)  ${=CMD} sin 697 sin 1477 & ;;
    4)  ${=CMD} sin 770 sin 1209 & ;;
    5)  ${=CMD} sin 770 sin 1336 & ;;
    6)  ${=CMD} sin 770 sin 1477 & ;;
    7)  ${=CMD} sin 852 sin 1209 & ;;
    8)  ${=CMD} sin 852 sin 1336 & ;;
    9)  ${=CMD} sin 852 sin 1477 & ;;
    0)  ${=CMD} sin 941 sin 1336 & ;;
  '*')  ${=CMD} sin 941 sin 1209 & ;;
  '#')  ${=CMD} sin 941 sin 1477 & ;;
    a)  ${=CMD} sin 697 sin 1633 & ;;
    b)  ${=CMD} sin 770 sin 1633 & ;;
    c)  ${=CMD} sin 852 sin 1633 & ;;
    d)  ${=CMD} sin 941 sin 1633 & ;;
    s)  killchilds ;;
    ' ')  killchilds ;;
    q)  killchilds; exit 0 ;;
  esac
done