# HG changeset patch
# User Mike Pavone <pavone@retrodev.com>
# Date 1370485562 25200
# Node ID 6e5c4f3ab0e2134cbd0201e087f78ea6b7a96002
# Parent  e45327305bb79f45fe1780ba29056a900a703286
Fix channel mapping in key on/off register

diff -r e45327305bb7 -r 6e5c4f3ab0e2 ym2612.c
--- a/ym2612.c	Wed Jun 05 18:47:39 2013 -0700
+++ b/ym2612.c	Wed Jun 05 19:26:02 2013 -0700
@@ -527,7 +527,10 @@
 		}
 		case REG_KEY_ONOFF: {
 			uint8_t channel = value & 0x7;
-			if (channel < NUM_CHANNELS) {
+			if (channel != 3 && channel != 7) {
+				if (channel > 2) {
+					channel--;
+				}
 				for (uint8_t op = channel * 4, bit = 0x10; op < (channel + 1) * 4; op++, bit <<= 1) {
 					if (value & bit) {
 						first_key_on = 1;