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comparison ym2612.h @ 1880:e77f7a7c79a5

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Cache operator phase increment for a small perf improvement
author Michael Pavone <pavone@retrodev.com>
date Sat, 07 Sep 2019 22:18:09 -0700
parents 4c322abd9fa5
children 32a3aa7b4a45
comparison
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1879:43a6cee4fd00 1880:e77f7a7c79a5
18 #define YM_OPT_WAVE_LOG 1 18 #define YM_OPT_WAVE_LOG 1
19 19
20 typedef struct { 20 typedef struct {
21 int16_t *mod_src[2]; 21 int16_t *mod_src[2];
22 uint32_t phase_counter; 22 uint32_t phase_counter;
23 uint32_t phase_inc;
23 uint16_t envelope; 24 uint16_t envelope;
24 int16_t output; 25 int16_t output;
25 uint16_t total_level; 26 uint16_t total_level;
26 uint16_t sustain_level; 27 uint16_t sustain_level;
27 uint8_t rates[4]; 28 uint8_t rates[4];