From c62e9c16f0067814546cfd4e637325e34e28cc7a Mon Sep 17 00:00:00 2001
From: Tony Wasserka <neobrain@users.noreply.github.com>
Date: Sun, 8 Dec 2024 20:16:52 +0100
Subject: [PATCH] PXI: Fix media type parsing for system save data archives

---
 source/processes/pxi_fs.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/processes/pxi_fs.cpp b/source/processes/pxi_fs.cpp
index f630611..803b47d 100644
--- a/source/processes/pxi_fs.cpp
+++ b/source/processes/pxi_fs.cpp
@@ -886,7 +886,8 @@ static std::tuple<Result, uint64_t> OpenArchive(FakeThread& thread, Context& con
     {
         // System SaveData stored on NAND
         // TODO: Should we verify that not more than 4 bytes have been given?
-        auto media_type = path.Read<uint32_t>(thread, 0);
+        // NOTE: Media type only considers the lowest byte. Services like CFG pass in garbage in the upper bytes.
+        auto media_type = path.Read<uint8_t>(thread, 0);
         auto archive = std::make_unique<ArchiveSystemSaveData>(settings, media_type);
         auto archive_handle = context.next_archive_handle++;
         context.archives.emplace(std::make_pair(archive_handle, std::move(archive)));