diff --git a/subprojects/memcard/include/memcard/block.hpp b/subprojects/memcard/include/memcard/block.hpp
index 54e91d5..7948543 100644
--- a/subprojects/memcard/include/memcard/block.hpp
+++ b/subprojects/memcard/include/memcard/block.hpp
@@ -61,6 +61,9 @@ public:
 	std::string product_code() const;
 	bool has_pocket_station_content() const;
 	std::string_view identifier() const;
+	uint8_t toc_checksum() const;
+
+	uint8_t calculate_toc_checksum() const;
 
 private:
 	BasicFrame<Const> m_toc_entry;
diff --git a/subprojects/memcard/src/block.cpp b/subprojects/memcard/src/block.cpp
index bb47ec2..9e6458b 100644
--- a/subprojects/memcard/src/block.cpp
+++ b/subprojects/memcard/src/block.cpp
@@ -215,6 +215,20 @@ std::string_view BasicBlock<Const>::identifier() const {
 	return {reinterpret_cast<const char*>(m_toc_entry.data() + 0x16), 8};
 }
 
+template <bool Const>
+uint8_t BasicBlock<Const>::toc_checksum() const {
+	return m_toc_entry.data()[0xFF - 0x80];
+}
+
+template <bool Const>
+uint8_t BasicBlock<Const>::calculate_toc_checksum() const {
+	uint8_t retval = 0;
+	for (std::size_t z = 0; z < m_toc_entry.size() - 1; ++z) {
+		retval ^= m_toc_entry[z];
+	}
+	return retval;
+}
+
 template class BasicBlock<true>;
 template class BasicBlock<false>;
 } //namespace mc::psx