bsv.c

   1 typedef unsigned char u8;
   2
   3 int i;
   4
   5 u8 notes[] = {
   6         0x84, 0x9d, 0xb0, 0x69, 0x9d, 0x84, 0x69, 0x58,
   7         0x75, 0x8c, 0xb0, 0x69, 0x8c, 0x75, 0x69, 0x58
   8 };
   9
  10 u8 g(u8 x, u8 t, u8 o){
  11         u8 notes_ix = t%8 + 8*!!(3&i>>16);
  12         return((3&x&(i*(notes[notes_ix])>>o))<<4);
  13 }
  14 void main(void){
  15         i = 0;
  16         for(;;) {
  17                 u8 sample;
  18                 u8 n = i >> 14;
  19                 u8 s = i >> 17;
  20                 sample = g(1,n,12);
  21                 { u8 tmp = n^i>>13;
  22                 sample += g(s,tmp,10);
  23                 } //tmp
  24                 { u8 tmp1 = s/3;
  25                   u8 tmp2 = n+((i>>11)%3);
  26                 sample += g(tmp1,tmp2,10);
  27                 } //tmp1, tmp2
  28                 { u8 tmp1 = s/5;
  29                   u8 tmp2 = 8+n-((i>>10)%3);
  30                 sample += g(tmp1,tmp2,9);
  31                 } //tmp1, tmp2
  32                 putchar(sample);
  33                 i++;
  34         }
  35 }