diff --git a/src/Core/PS4/HLE/ErrorCodes.h b/src/Core/PS4/HLE/ErrorCodes.h
index 04edb64e..50014a29 100644
--- a/src/Core/PS4/HLE/ErrorCodes.h
+++ b/src/Core/PS4/HLE/ErrorCodes.h
@@ -9,9 +9,13 @@ constexpr int SCE_KERNEL_ERROR_EAGAIN = 0x80020023;        // Memory cannot be a
 constexpr int SCE_KERNEL_ERROR_ENAMETOOLONG = 0x8002003f;  // character strings exceeds valid size
 
 // videoOut
-constexpr int SCE_VIDEO_OUT_ERROR_INVALID_VALUE = 0x80290001;        // invalid argument
-constexpr int SCE_VIDEO_OUT_ERROR_RESOURCE_BUSY = 0x80290009;        // already opened
-constexpr int SCE_VIDEO_OUT_ERROR_INVALID_INDEX = 0x8029000A;        // invalid buffer index
-constexpr int SCE_VIDEO_OUT_ERROR_INVALID_HANDLE = 0x8029000B;       // invalid handle
-constexpr int SCE_VIDEO_OUT_ERROR_INVALID_EVENT_QUEUE = 0x8029000C;  // Invalid event queue
-constexpr int SCE_VIDEO_OUT_ERROR_FLIP_QUEUE_FULL = 0x80290012;      // flip queue is full
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_VALUE = 0x80290001;         // invalid argument
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_ADDRESS = 0x80290002;       // invalid addresses
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_TILING_MODE = 0x80290007;   // invalid tiling mode
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_ASPECT_RATIO = 0x80290008;  // invalid aspect ration
+constexpr int SCE_VIDEO_OUT_ERROR_RESOURCE_BUSY = 0x80290009;         // already opened
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_INDEX = 0x8029000A;         // invalid buffer index
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_HANDLE = 0x8029000B;        // invalid handle
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_EVENT_QUEUE = 0x8029000C;   // Invalid event queue
+constexpr int SCE_VIDEO_OUT_ERROR_FLIP_QUEUE_FULL = 0x80290012;       // flip queue is full
+constexpr int SCE_VIDEO_OUT_ERROR_INVALID_OPTION = 0x8029001A;        // Invalid buffer attribute option
diff --git a/src/Core/PS4/HLE/Graphics/video_out.cpp b/src/Core/PS4/HLE/Graphics/video_out.cpp
index a9356b3f..56d006ee 100644
--- a/src/Core/PS4/HLE/Graphics/video_out.cpp
+++ b/src/Core/PS4/HLE/Graphics/video_out.cpp
@@ -115,8 +115,46 @@ s32 PS4_SYSV_ABI sceVideoOutAddFlipEvent(LibKernel::EventQueues::SceKernelEqueue
 
 s32 PS4_SYSV_ABI sceVideoOutRegisterBuffers(s32 handle, s32 startIndex, void* const* addresses, s32 bufferNum,
                                             const SceVideoOutBufferAttribute* attribute) {
-    // BREAKPOINT();
-    PRINT_DUMMY_FUNCTION_NAME();
+    PRINT_FUNCTION_NAME();
+    auto* videoOut = Singleton<HLE::Graphics::Objects::VideoOutCtx>::Instance();
+    auto* ctx = videoOut->getCtx(handle);
+
+    if (handle == 1) {  // main port
+        if (startIndex < 0 || startIndex > 15) {
+            LOG_TRACE_IF(log_file_videoout, "invalid startIndex = {}\n", startIndex);
+            return SCE_VIDEO_OUT_ERROR_INVALID_VALUE;
+        }
+        if (bufferNum < 1 || bufferNum > 16) {
+            LOG_TRACE_IF(log_file_videoout, "invalid bufferNum = {}\n", bufferNum);
+            return SCE_VIDEO_OUT_ERROR_INVALID_VALUE;
+        }
+    }
+    if (addresses == nullptr) {
+        LOG_TRACE_IF(log_file_videoout, "addresses are null\n");
+        return SCE_VIDEO_OUT_ERROR_INVALID_ADDRESS;
+    }
+
+    if (attribute == nullptr) {
+        LOG_TRACE_IF(log_file_videoout, "attribute is null\n");
+        return SCE_VIDEO_OUT_ERROR_INVALID_OPTION;
+    }
+    if (attribute->aspectRatio != 0) {
+        LOG_TRACE_IF(log_file_videoout, "invalid aspect ratio = {}\n", attribute->aspectRatio);
+        return SCE_VIDEO_OUT_ERROR_INVALID_ASPECT_RATIO;
+    }
+    if (attribute->tilingMode != 0 || attribute->tilingMode != 1) {
+        LOG_TRACE_IF(log_file_videoout, "invalid tilingMode = {}\n", attribute->tilingMode);
+        return SCE_VIDEO_OUT_ERROR_INVALID_TILING_MODE;
+    }
+    LOG_INFO_IF(log_file_videoout, "startIndex    = {}\n", startIndex);
+    LOG_INFO_IF(log_file_videoout, "bufferNum     = {}\n", bufferNum);
+    LOG_INFO_IF(log_file_videoout, "pixelFormat   = {}\n", log_hex_full(attribute->pixelFormat));
+    LOG_INFO_IF(log_file_videoout, "tilingMode    = {}\n", attribute->tilingMode);
+    LOG_INFO_IF(log_file_videoout, "aspectRatio   = {}\n", attribute->aspectRatio);
+    LOG_INFO_IF(log_file_videoout, "width         = {}\n", attribute->width);
+    LOG_INFO_IF(log_file_videoout, "height        = {}\n", attribute->height);
+    LOG_INFO_IF(log_file_videoout, "pitchInPixel  = {}\n", attribute->pitchInPixel);
+    LOG_INFO_IF(log_file_videoout, "option        = {}\n", attribute->option);
     return 0;
 }
 s32 PS4_SYSV_ABI sceVideoOutSetFlipRate(s32 handle, s32 rate) {