From e31f8a2115a73144acbce191a8f3d8fd9a9f67ad Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Thu, 29 Dec 2022 15:42:01 -0500
Subject: [PATCH] SegaPCM: fix new arp strat

---
 src/engine/platform/segapcm.cpp | 4 ++--
 src/engine/playback.cpp         | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/engine/platform/segapcm.cpp b/src/engine/platform/segapcm.cpp
index 030e9ce02..a206de5c0 100644
--- a/src/engine/platform/segapcm.cpp
+++ b/src/engine/platform/segapcm.cpp
@@ -133,9 +133,9 @@ void DivPlatformSegaPCM::tick(bool sysTick) {
       chan[i].freq=chan[i].baseFreq+(chan[i].pitch>>1)-64;
       if (!parent->song.oldArpStrategy) {
         if (chan[i].fixedArp) {
-          chan[i].freq=(chan[i].baseNoteOverride<<7)+(chan[i].pitch>>1)-64+chan[i].pitch2;
+          chan[i].freq=(chan[i].baseNoteOverride<<6)+(chan[i].pitch>>1)-64+chan[i].pitch2;
         } else {
-          chan[i].freq+=chan[i].arpOff<<7;
+          chan[i].freq+=chan[i].arpOff<<6;
         }
       }
       if (chan[i].furnacePCM) {
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index 575b16b12..335da02a9 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -1586,6 +1586,7 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
 
   // logic starts here
   for (int i=0; i<song.systemLen; i++) {
+    // TODO: we may have a problem here
     disCont[i].lastAvail=blip_samples_avail(disCont[i].bb[0]);
     if (disCont[i].lastAvail>0) {
       disCont[i].flush(disCont[i].lastAvail);