From 19888030043e28b961586c8648f2d3f9d85c8ba8 Mon Sep 17 00:00:00 2001
From: Jean-Philip Desjardins <jean-philip.desjardins@polymtl.ca>
Date: Tue, 17 Sep 2024 16:45:15 -0400
Subject: [PATCH] Add another missing ACCDVD function.

---
 Source/iop/Iop_Cdvdman.h                    |  2 +-
 Source/iop/namco_sys246/Iop_NamcoAcCdvd.cpp | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Source/iop/Iop_Cdvdman.h b/Source/iop/Iop_Cdvdman.h
index 6bd9d4be97..e3b975c0e2 100644
--- a/Source/iop/Iop_Cdvdman.h
+++ b/Source/iop/Iop_Cdvdman.h
@@ -57,6 +57,7 @@ namespace Iop
 
 		uint32 CdStandby();
 		uint32 CdRead(uint32, uint32, uint32, uint32);
+		uint32 CdSeek(uint32);
 		uint32 CdCallback(uint32);
 		uint32 CdSync(uint32);
 		uint32 CdStatus();
@@ -82,7 +83,6 @@ namespace Iop
 		};
 
 		uint32 CdInit(uint32);
-		uint32 CdSeek(uint32);
 		uint32 CdGetError();
 		uint32 CdSearchFile(uint32, uint32);
 		uint32 CdGetDiskType();
diff --git a/Source/iop/namco_sys246/Iop_NamcoAcCdvd.cpp b/Source/iop/namco_sys246/Iop_NamcoAcCdvd.cpp
index ae35abf666..4f6c9e76f9 100644
--- a/Source/iop/namco_sys246/Iop_NamcoAcCdvd.cpp
+++ b/Source/iop/namco_sys246/Iop_NamcoAcCdvd.cpp
@@ -17,6 +17,7 @@ using namespace Iop::Namco;
 #define FUNCTION_CDGETERROR "IopCdGetError"
 #define FUNCTION_CDGETDISKTYPE "IopCdGetDiskType"
 #define FUNCTION_CDSTATUS "IopCdStatus"
+#define FUNCTION_CDSEEK "IopCdSeek"
 #define FUNCTION_CDSTANDBY "IopCdStandby"
 #define FUNCTION_CDSETMMODE "IopCdSetMmode"
 
@@ -60,6 +61,8 @@ std::string CAcCdvd::GetFunctionName(unsigned int functionId) const
 		return FUNCTION_CDGETDISKTYPE;
 	case 22:
 		return FUNCTION_CDSTATUS;
+	case 25:
+		return FUNCTION_CDSEEK;
 	case 26:
 		return FUNCTION_CDSTANDBY;
 	case 37:
@@ -140,6 +143,14 @@ void CAcCdvd::Invoke(CMIPS& context, unsigned int functionId)
 		CLog::GetInstance().Print(LOG_NAME, FUNCTION_CDSTATUS "();\r\n");
 		context.m_State.nGPR[CMIPS::V0].nV0 = m_cdvdman.CdStatus();
 		break;
+	case 25:
+		//CdSeek
+		{
+			uint32 sector = context.m_State.nGPR[CMIPS::A0].nV0;
+			CLog::GetInstance().Print(LOG_NAME, FUNCTION_CDSEEK "(sector = 0x%08X);\r\n", sector);
+			context.m_State.nGPR[CMIPS::V0].nV0 = m_cdvdman.CdSeek(sector);
+		}
+		break;
 	case 26:
 		CLog::GetInstance().Print(LOG_NAME, FUNCTION_CDSTANDBY "();\r\n");
 		context.m_State.nGPR[CMIPS::V0].nV0 = m_cdvdman.CdStandby();