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arpeggio v1

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This commit is contained in:
Joachim Fenkes 2012-07-31 22:50:25 +02:00
parent e602a4e85c
commit f84d738b2a
1 changed files with 20 additions and 2 deletions
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22
win/main.cpp
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@ -4,11 +4,29 @@
#include <Windows.h>
#include <MMSystem.h>
int notes[16] = { 122, 115, 109, 103, 97, 92, 86, 82, 77, 73, 69, 65, 61, 58, 54, 51 };
int arpeggio[][4] = {
{ 0, 3, 7, 12 },
{ 2, 5, 7, 10 },
{ 1, 5, 7, 10 },
{ 1, 3, 5, 8 },
{ 1, 3, 5, 10 },
};
int arpseq[8] = { 0, 0, 1, 1, 2, 2, 4, 3 };
static inline unsigned char voice_arp(unsigned long i)
{
return (((i << 1) / (notes[arpeggio[arpseq[(i >> 13) & 7]][(i >> 8) & 3]] >> 2)) & 1) << 7;
}
void fill(char *data)
{
for (int i = 0; i < 4096; i++)
static unsigned long i = 0;
for (int j = 0; j < 4096; j++)
{
data[i] = (i & (i & 512 ? 7 : 3)) << 3;
data[j] = voice_arp(i);
i++;
}
}