spu: get rid of iSPUIRQWait

there should be no reason to ever turn it off

4 files changed, 4 insertions, 17 deletions

diff --git a/frontend/main.c b/frontend/main.c
index e072cde..d6f4cd1 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -37,7 +37,6 @@ void StopDebugger();
 extern int iUseReverb;
 extern int iUseInterpolation;
 extern int iXAPitch;
-extern int iSPUIRQWait;
 extern int iVolume;
 
 int ready_to_go;
@@ -157,7 +156,6 @@ void emu_set_default_config(void)
 	iUseReverb = 2;
 	iUseInterpolation = 1;
 	iXAPitch = 0;
-	iSPUIRQWait = 1;
 	iVolume = 768;
 #ifndef __ARM_ARCH_7A__ /* XXX */
 	iUseReverb = 0;
diff --git a/frontend/menu.c b/frontend/menu.c
index 866c2b4..d34b7f9 100644
--- a/frontend/menu.c
+++ b/frontend/menu.c
@@ -106,7 +106,6 @@ int filter;
 extern int iUseReverb;
 extern int iUseInterpolation;
 extern int iXAPitch;
-extern int iSPUIRQWait;
 extern int iVolume;
 
 static const char *bioses[24];
@@ -307,7 +306,6 @@ static const struct {
 	CE_INTVAL_V(iUseReverb, 3),
 	CE_INTVAL_V(iXAPitch, 3),
 	CE_INTVAL_V(iUseInterpolation, 3),
-	CE_INTVAL_V(iSPUIRQWait, 3),
 	CE_INTVAL(warned_about_bios),
 	CE_INTVAL(in_evdev_allow_abs_only),
 	CE_INTVAL(volume_boost),
@@ -1213,7 +1211,6 @@ static int menu_loop_plugin_gpu_peopsgl(int id, int keys)
 
 static const char *men_spu_interp[] = { "None", "Simple", "Gaussian", "Cubic", NULL };
 static const char h_spu_volboost[]  = "Large values cause distortion";
-static const char h_spu_irq_wait[]  = "Wait for CPU (recommended set to ON)";
 
 static menu_entry e_menu_plugin_spu[] =
 {
@@ -1221,7 +1218,6 @@ static menu_entry e_menu_plugin_spu[] =
 	mee_onoff     ("Reverb",                    0, iUseReverb, 2),
 	mee_enum      ("Interpolation",             0, iUseInterpolation, men_spu_interp),
 	mee_onoff     ("Adjust XA pitch",           0, iXAPitch, 1),
-	mee_onoff_h   ("SPU IRQ Wait",              0, iSPUIRQWait, 1, h_spu_irq_wait),
 	mee_end,
 };
 
diff --git a/plugins/dfsound/externals.h b/plugins/dfsound/externals.h
index dd582ff..0146553 100644
--- a/plugins/dfsound/externals.h
+++ b/plugins/dfsound/externals.h
@@ -197,9 +197,6 @@ extern unsigned char * pSpuBuffer;
 

 extern int        iVolume;

 extern int        iXAPitch;

-extern int        iSPUIRQWait;

-extern int        iDebugMode;

-extern int        iRecordMode;

 extern int        iUseReverb;

 extern int        iUseInterpolation;

 // MISC

diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c
index 4930e53..4759f3f 100644
--- a/plugins/dfsound/spu.c
+++ b/plugins/dfsound/spu.c
@@ -81,9 +81,6 @@ unsigned char * pMixIrq=0;
 
 int             iVolume=768; // 1024 is 1.0
 int             iXAPitch=1;
-int             iSPUIRQWait=1;
-int             iDebugMode=0;
-int             iRecordMode=0;
 int             iUseReverb=2;
 int             iUseInterpolation=2;
 
@@ -535,7 +532,7 @@ static int do_samples_##name(int ch, int ns, int ns_to) \
    {                                         \
     sbpos = 0;                               \
     d = decode_block(ch);                    \
-    if(d && iSPUIRQWait)                     \
+    if(d)                                    \
     {                                        \
      ret = ns;                               \
      goto out;                               \
@@ -744,7 +741,7 @@ static int do_samples(int forced_updates)
 
     // advance "stopped" channels that can cause irqs
     // (all chans are always playing on the real thing..)
-    if(!bIRQReturn && (spuCtrl&CTRL_IRQ))
+    if(spuCtrl&CTRL_IRQ)
      for(ch=0;ch<MAXCHAN;ch++)
       {
        if(!(silentch&(1<<ch))) continue;               // already handled
@@ -752,7 +749,7 @@ static int do_samples(int forced_updates)
        if(s_chan[ch].pCurr > pSpuIrq && s_chan[ch].pLoop > pSpuIrq)
         continue;
 
-       s_chan[ch].spos += s_chan[ch].sinc * NSSIZE;
+       s_chan[ch].spos += s_chan[ch].sinc * (ns_to - ns_from);
        while(s_chan[ch].spos >= 28 * 0x10000)
         {
          unsigned char *start = s_chan[ch].pCurr;
@@ -771,7 +768,7 @@ static int do_samples(int forced_updates)
         }
       }
 
-    if(bIRQReturn && iSPUIRQWait)                      // special return for "spu irq - wait for cpu action"
+    if(bIRQReturn)                                     // special return for "spu irq - wait for cpu action"
       return 0;
 
 
@@ -1001,7 +998,6 @@ long CALLBACK SPUinit(void)
  pMixIrq = 0;
  memset((void *)s_chan, 0, (MAXCHAN + 1) * sizeof(SPUCHAN));
  pSpuIrq = 0;
- //iSPUIRQWait = 0;
  lastch = -1;
 
  SetupStreams();                                       // prepare streaming