extrn ff.init,ff.ist,ff.in,ff.ost,ff.out\r
extrn as0init,as0ista,as0inp,as0osta,as0out\r
extrn as1init,as1ista,as1inp,as1osta,as1out\r
extrn ff.init,ff.ist,ff.in,ff.ost,ff.out\r
extrn as0init,as0ista,as0inp,as0osta,as0out\r
extrn as1init,as1ista,as1inp,as1osta,as1out\r