From 2049b35ee21f2a946aeaa7612729c8d033cc756b Mon Sep 17 00:00:00 2001
From: b1ackmai1er <difficultylevelhigh@gmail.com>
Date: Sun, 18 Dec 2022 20:56:12 +0800
Subject: [PATCH] Update ym2612.asm

---
 Source/HBIOS/ym2612.asm | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Source/HBIOS/ym2612.asm b/Source/HBIOS/ym2612.asm
index a8d8463e..20d0ca80 100644
--- a/Source/HBIOS/ym2612.asm
+++ b/Source/HBIOS/ym2612.asm
@@ -51,9 +51,6 @@ YM_FNTBL:	.DW	YM_RESET
 ;
 YM_IDAT	.EQU	0				; NO INSTANCE DATA FOR THIS DEVICE
 ;
-YM_DURATION
-		ret
-
 ;------------------------------------------------------------------------------
 ; YM2162 Initialization
 ;	Announce device on console. 
@@ -252,6 +249,14 @@ YM_PERIOD1:	LD	A, $FF			; REQUESTED PERIOD IS LARGER
 		RET				; AND RETURN FAILURE
 ;
 ;------------------------------------------------------------------------------
+;	SOUND DRIVER FUNCTION - DURATION
+;------------------------------------------------------------------------------
+;
+YM_DURATION:	LD	(YM_PENDING_DURATION),HL	; SET TONE DURATION
+		XOR	A
+		RET
+;
+;------------------------------------------------------------------------------
 ; Sound driver function - PLAY
 ;	D = CHANNEL
 ;------------------------------------------------------------------------------