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1 | typedef unsigned char u8; | |
2 | ||
3 | int i; | |
4 | u8 i0, i1, i2, i3; | |
5 | ||
6 | u8 notes[] = { | |
7 | 0x84, 0x9d, 0xb0, 0x69, 0x9d, 0x84, 0x69, 0x58, | |
8 | 0x75, 0x8c, 0xb0, 0x69, 0x8c, 0x75, 0x69, 0x58 | |
9 | }; | |
10 | ||
11 | u8 g(u8 x, u8 t, u8 o){ | |
12 | u8 notes_ix = t & 0x7; | |
13 | if(3&i2) | |
14 | notes_ix += 8; | |
15 | u8 result = (i*notes[notes_ix])>>o; | |
16 | result &= x; | |
17 | result &= 3; | |
18 | return result; | |
19 | } | |
20 | void main(void){ | |
21 | i = 0; | |
22 | i0 = i1 = i2 = i3 = 0; | |
23 | for(;;) { | |
24 | u8 sample; | |
25 | u8 n = i2<<2 | i1>>6; | |
26 | u8 s = i3<<7 | i2>>1; | |
27 | ||
28 | sample = g(1,n,12); | |
29 | ||
30 | { u8 tmp; | |
31 | tmp = i2<<3 | i1>>5; | |
32 | tmp ^= n; | |
33 | sample += g(s,tmp,10); | |
34 | } //tmp | |
35 | ||
36 | { u8 tmp1 = s/3; | |
37 | u8 tmp2; | |
38 | tmp2 = (i3<<13|i2<<5|i1>>3)%3; | |
39 | tmp2 += n; | |
40 | sample += g(tmp1,tmp2,10); | |
41 | } //tmp1, tmp2 | |
42 | ||
43 | { u8 tmp1 = s/5; | |
44 | u8 tmp2 = n; | |
45 | { u8 tmp3 = (i3<<14|i2<<6|i1>>2)%3; | |
46 | tmp2 -= tmp3; | |
47 | } // tmp3 | |
48 | tmp2 += 8; | |
49 | sample += g(tmp1,tmp2,9); | |
50 | } //tmp1, tmp2 | |
51 | ||
52 | putchar(sample<<4); | |
53 | ||
54 | i++; | |
55 | i0++; | |
56 | i1 += !i0; | |
57 | i2 += !i1 && !i0; | |
58 | i3 += !i2 && !i1 && !i0; | |
59 | } | |
60 | } |