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  99.she v1999.12.23 (c)2000 Chris Pressey, Cat's Eye Technologies.
  The song "Ninety-Nine Bottles of Beer" implemented in Shelta/GUPI.
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[ _32 `bottles _32 `of _32 `beer _32 `on _32 `the _32 `wall, _13 _10 ]=L1
[ _32 `bottles _32 `of _32 `beer, _13 _10 ]=L2
[ `Take _32 `one _32 `down, _32 `pass _32 `it _32 `around, _13 _10 ]=L3
[ _32 `bottles _32 `of _32 `beer _32 `on _32 `the _32 `wall. _13 _10 _13 _10 ]=L4

[ `9 ]=bh [ `9 ]=bl
[ begin ^bh getb outc ^bl getb outc end ]=btls
[ begin ^bh getb \1 - ^bh putb \57 ^bl putb end ]=digit

[ [ ]=iloop

  ^btls do
  ^L1 \31 outs

  ^btls do
  ^L2 \19 outs

  ^L3 \32 outs

  ^bl getb \1 - ^bl putb
  ^bl getb \47 - zero ^digit doif

  ^btls do
  ^L4 \33 outs

  ^bh getb \47 - ^iloop toif

  \0 halt
] to