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Monster Media 1996 #15
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Monster Media Number 15 (Monster Media)(July 1996).ISO
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prog_c
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cuj0896.zip
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KIENTZLE.ZIP
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INTERLV.C
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1996-05-14
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353b
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20 lines
long expand[256];
void init_interleave_table(void)
{ int i, j, expanded;
for(i=0;i<256;i++) {
expanded = 0;
for(j=0;j<8;j++)
expanded |= (i&(1<<j))<<(2*j);
expand[i] = expanded;
}
}
long interleave_color(int r, int g, int b)
{
return ((expand[r]<<2)
| (expand[g]<<1)
| (expand[b]));
}