jni/ruby/sample/trick2013/mame/entry.rb


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                  eval$C=%q(at_exit{
                  open("/dev/dsp","wb"){|g|h=[0]*80
                  $><<"\s"*18+"eval$C=%q(#$C);S=%:"
                  (S<<m=58).lines{|l|s=[128]*n=20E2
                  t=0;           h.map!{|v|d=?!==l[
                  t]?1                         :(l[
                  t]==                         ?#)?
                  0*v=                         6:03
                  (v<1                         ?[]:
                  0..n                         -1).
                  each                         {|z|
                  s[z]                         +=2*
          M.sin(($*[0]                         ||1)
        .to_f*M.sin(y=                 40*(z+m)*2**
        (t/12E0)/463)+               y)*(v-z*d/n)};
        t+=1;v-d};m+=                n;g.flush<<(s.
          pack"C*");                 puts(l)}}};M=
                                       Math);S=%:

                 Jesu, Joy of Man's Desiring
                    Johann Sebastian Bach

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