From c4c66b22ae607aa8dc5e6983f7ab030ead01faae Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sun, 21 Dec 2014 00:36:00 +0200
Subject: [PATCH] spu: avoid NULL pSpuIrq

CTR sets 0 irq address, and savestates mess up
---
 plugins/dfsound/freeze.c | 7 +++++--
 plugins/dfsound/spu.c    | 4 ++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/plugins/dfsound/freeze.c b/plugins/dfsound/freeze.c
index b865b848..d38faa65 100644
--- a/plugins/dfsound/freeze.c
+++ b/plugins/dfsound/freeze.c
@@ -307,6 +307,9 @@ long CALLBACK SPUfreeze(uint32_t ulFreezeMode, SPUFreeze_t * pF,
  ClearWorkingState();
  spu.cycles_played = cycles;
 
+ if (spu.spuCtrl & CTRL_IRQ)
+  schedule_next_irq();
+
  return 1;
 }
 
@@ -318,7 +321,7 @@ void LoadStateV5(SPUFreeze_t * pF)
 
  pFO=(SPUOSSFreeze_t *)(pF+1);
 
- if(pFO->pSpuIrq) spu.pSpuIrq = spu.spuMemC+((long)pFO->pSpuIrq&0x7fff0); else spu.pSpuIrq=NULL;
+ spu.pSpuIrq = spu.spuMemC + ((spu.regArea[(H_SPUirqAddr - 0x0c00) / 2] << 3) & ~0xf);
 
  if(pFO->spuAddr)
   {
@@ -353,7 +356,7 @@ void LoadStateUnknown(SPUFreeze_t * pF, uint32_t cycles)
  spu.dwNewChannel=0;
  spu.dwChannelOn=0;
  spu.dwChannelDead=0;
- spu.pSpuIrq=0;
+ spu.pSpuIrq=spu.spuMemC;
 
  for(i=0;i<0xc0;i++)
   {
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c
index ca362b7f..2c13ca16 100644
--- a/plugins/dfsound/spu.c
+++ b/plugins/dfsound/spu.c
@@ -738,7 +738,7 @@ void do_samples(unsigned int cycles_to)
   // an IRQ.
 
   if (unlikely((spu.spuCtrl & CTRL_IRQ)
-      && spu.pSpuIrq && spu.pSpuIrq < spu.spuMemC+0x1000))
+       && spu.pSpuIrq < spu.spuMemC+0x1000))
    {
     int irq_pos = (spu.pSpuIrq - spu.spuMemC) / 2 & 0x1ff;
     int left = (irq_pos - spu.decode_pos) & 0x1ff;
@@ -1027,7 +1027,7 @@ long CALLBACK SPUinit(void)
  spu.spuAddr = 0xffffffff;
  spu.decode_pos = 0;
  memset((void *)s_chan, 0, sizeof(s_chan));
- spu.pSpuIrq = 0;
+ spu.pSpuIrq = spu.spuMemC;
 
  SetupStreams();                                       // prepare streaming
 
-- 
2.39.5