From 8de60fe2a68bd027970a04ea7d793c8e05a6cebe Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Wed, 15 Dec 2021 00:50:32 -0500
Subject: [PATCH] arcade pitch oddity

---
 src/engine/playback.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index 0ee565563..01bcae575 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -486,6 +486,11 @@ void DivEngine::processRow(int i, bool afterDelay) {
         break;
       case 0xe5: // pitch
         chan[i].pitch=effectVal-0x80;
+        if (song.system==DIV_SYSTEM_ARCADE) { // arcade pitch oddity
+          chan[i].pitch*=2;
+          if (chan[i].pitch<-128) chan[i].pitch=-128;
+          if (chan[i].pitch>127) chan[i].pitch=127;
+        }
         dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
         break;
       case 0xea: // legato mode