From 5469d59de9a1eb6c650ae6bbdbcb1299dafbc35d Mon Sep 17 00:00:00 2001
From: Goatman13 <101417270+Goatman13@users.noreply.github.com>
Date: Sat, 4 Jun 2022 08:01:41 +0200
Subject: [PATCH] IPU: Set ECD if start code is not 1xx

Onimusha 3 send 0x200 and expect that start code search finish on it.
Setting ECD here helps The Sims Bustin' Out
---
 pcsx2/IPU/mpeg2lib/Mpeg.cpp | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/pcsx2/IPU/mpeg2lib/Mpeg.cpp b/pcsx2/IPU/mpeg2lib/Mpeg.cpp
index 2014b793ac..c3bddc9a35 100644
--- a/pcsx2/IPU/mpeg2lib/Mpeg.cpp
+++ b/pcsx2/IPU/mpeg2lib/Mpeg.cpp
@@ -938,13 +938,20 @@ finish_idec:
 					return false;
 				}
 				start_check = UBITS(24);
-				if (start_check == 1)
+				if (start_check != 0)
 				{
-					ipuRegs.ctrl.SCD = 1;
+					if (start_check == 1)
+					{
+						ipuRegs.ctrl.SCD = 1;
+					}
+					else
+					{
+						ipuRegs.ctrl.ECD = 1;
+					}
 					break;
 				}
 				DUMPBITS(8);
-			} while (start_check != 1);
+			} while (1);
 		}
 	}
 		[[fallthrough]];
@@ -1229,13 +1236,20 @@ __fi bool mpeg2_slice()
 					return false;
 				}
 				start_check = UBITS(24);
-				if (start_check == 1)
+				if (start_check != 0)
 				{
-					ipuRegs.ctrl.SCD = 1;
+					if (start_check == 1)
+					{
+						ipuRegs.ctrl.SCD = 1;
+					}
+					else
+					{
+						ipuRegs.ctrl.ECD = 1;
+					}
 					break;
 				}
 				DUMPBITS(8);
-			} while (start_check != 1);
+			} while (1);
 		}
 	}
 		[[fallthrough]];