From 3fc2a4c27be8c8cd5f8cf53a0d56c263275b8501 Mon Sep 17 00:00:00 2001
From: notaz
Date: Wed, 27 Jul 2011 20:06:46 +0300
Subject: spu: simplify irq and flag handling

shalma's recent work taken into account when working on this.
NOT verified on read hardware.
---
 plugins/dfsound/registers.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'plugins/dfsound/registers.c')

diff --git a/plugins/dfsound/registers.c b/plugins/dfsound/registers.c
index c36c27e..ac495d6 100644
--- a/plugins/dfsound/registers.c
+++ b/plugins/dfsound/registers.c
@@ -191,6 +191,8 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val)
       break;
     //-------------------------------------------------//
     case H_SPUctrl:
+      if(!(spuCtrl & CTRL_IRQ))
+        spuStat&=~STAT_IRQ;
       spuCtrl=val;
       break;
     //-------------------------------------------------//
@@ -214,7 +216,7 @@ void CALLBACK SPUwriteRegister(unsigned long reg, unsigned short val)
     //-------------------------------------------------//
     case H_SPUirqAddr:
       spuIrq = val;
-      pSpuIrq=spuMemC+((unsigned long) val<<3);
+      pSpuIrq=spuMemC+(((unsigned long) val<<3)&~0xf);
       break;
     //-------------------------------------------------//
     case H_SPUrvolL:
-- 
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