QCHAN engine for GTIA

first attempt to 5 channels QCHAN engine for GTIA. four channels of tone with independend volumes control, per-pattern tempo and decays.One channel of interrupting drums. edytor: milky tracker (.xm)

http://atari.pl/qchan.obx
music by MisterBEEP

better use real atari for this and... turn up :-)