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refactor arpptr

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This commit is contained in:
Joachim Fenkes 2012-08-11 13:10:24 +02:00
parent db7376f914
commit 663b4b2943
1 changed files with 3 additions and 4 deletions
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7
win/main.cpp
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@ -117,11 +117,10 @@ static unsigned char voice_lead(unsigned long i, int voice_nr)
static inline unsigned char voice_arp(unsigned long i) static inline unsigned char voice_arp(unsigned long i)
{ {
static uint16_t arp_osc = 0; static uint16_t arp_osc = 0;
uint8_t arpptr = i >> 13; uint8_t arpptr2 = arpseq1[arpseq2[i >> 16]][(i >> 14) & 3];
uint8_t arpptr2 = arpseq1[arpseq2[arpptr >> 3]][(arpptr >> 1) & 3]; if (!(i & (1 << 13)))
if (!(arpptr & 1))
arpptr2 >>= 4; arpptr2 >>= 4;
arpptr = arpeggio[arpptr2 & 0xF][(i >> 8) & 1]; uint8_t arpptr = arpeggio[arpptr2 & 0xF][(i >> 8) & 1];
if (!(i & 0x80)) if (!(i & 0x80))
arpptr >>= 4; arpptr >>= 4;