MassStorageBootloader: Fix lower nibble cluster update.

diff --git a/Bootloaders/MassStorage/Lib/VirtualFAT.c b/Bootloaders/MassStorage/Lib/VirtualFAT.c
index c57b9b9..ab6b0f4 100644 (file)
--- a/Bootloaders/MassStorage/Lib/VirtualFAT.c
+++ b/Bootloaders/MassStorage/Lib/VirtualFAT.c
@@ -260,7 +260,7 @@ static void UpdateFAT12ClusterEntry(uint8_t* const FATTable,
        else
        {
                FATTable[FATOffset]     = ChainEntry;
-               FATTable[FATOffset + 1] = (FATTable[FATOffset] & 0xF0) | (ChainEntry >> 8);
+               FATTable[FATOffset + 1] = (FATTable[FATOffset + 1] & 0xF0) | (ChainEntry >> 8);
        }
 }