From 449f2b429ea43db20b024b30027627f0fdee4634 Mon Sep 17 00:00:00 2001
From: Mike Pavone <pavone@retrodev.com>
Date: Sun, 2 Jun 2013 22:30:41 -0700
Subject: Initial stab at feedback

---
 ym2612.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'ym2612.c')

diff --git a/ym2612.c b/ym2612.c
index ea95bc2..7199565 100644
--- a/ym2612.c
+++ b/ym2612.c
@@ -155,7 +155,7 @@ void ym_init(ym2612_context * context, uint32_t sample_rate, uint32_t clock_rate
 	}
 }
 
-#define YM_VOLUME_DIVIDER 1
+#define YM_VOLUME_DIVIDER 2
 
 void ym_run(ym2612_context * context, uint32_t to_cycle)
 {
@@ -267,7 +267,9 @@ void ym_run(ym2612_context * context, uint32_t to_cycle)
 			switch (op % 4)
 			{
 			case 0://Operator 1
-				//TODO: Feedback
+				if (chan->feedback) {
+					mod = operator->output >> (10-chan->feedback);
+				}
 				break;
 			case 1://Operator 3
 				switch(chan->algorithm)
-- 
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