From: notaz <notasas@gmail.com>
Date: Sun, 4 Sep 2022 21:02:28 +0000 (+0300)
Subject: spu: remove some strange rounding
X-Git-Tag: r24~329
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3fa20c2fc7cff9352b5bcbe23e8b682bdcf0b2c;p=pcsx_rearmed.git

spu: remove some strange rounding

Seems wrong.
Also deal with now possible div by 0 in scan_for_irq().
---

diff --git a/plugins/dfsound/registers.c b/plugins/dfsound/registers.c
index e0693064..61d0b810 100644
--- a/plugins/dfsound/registers.c
+++ b/plugins/dfsound/registers.c
@@ -484,11 +484,10 @@ static void SetPitch(int ch,unsigned short val)               // SET PITCH
  if(val>0x3fff) NP=0x3fff;                             // get pitch val
  else           NP=val;
 
- spu.s_chan[ch].iRawPitch=NP;
- spu.s_chan[ch].sinc=(NP<<4)|8;
- spu.s_chan[ch].sinc_inv=0;
- if (spu_config.iUseInterpolation == 1)
-  spu.SB[ch * SB_SIZE + 32] = 1; // -> freq change in simple interpolation mode: set flag
+ spu.s_chan[ch].iRawPitch = NP;
+ spu.s_chan[ch].sinc = NP << 4;
+ spu.s_chan[ch].sinc_inv = 0;
+ spu.SB[ch * SB_SIZE + 32] = 1; // -> freq change in simple interpolation mode: set flag
 }
 
 ////////////////////////////////////////////////////////////////////////
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c
index b0b083dd..35d890d9 100644
--- a/plugins/dfsound/spu.c
+++ b/plugins/dfsound/spu.c
@@ -1230,6 +1230,8 @@ void schedule_next_irq(void)
   if ((unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pCurr) > IRQ_NEAR_BLOCKS * 16
     && (unsigned long)(spu.pSpuIrq - spu.s_chan[ch].pLoop) > IRQ_NEAR_BLOCKS * 16)
    continue;
+  if (spu.s_chan[ch].sinc == 0)
+   continue;
 
   scan_for_irq(ch, &upd_samples);
  }