add guide; couple small fixes

1 files changed, 2 insertions, 2 deletions

diff --git a/funreg.hpp b/funreg.hpp
index 6ca44ed..00cd3a9 100644
--- a/funreg.hpp
+++ b/funreg.hpp
@@ -46,7 +46,7 @@ struct MemoryIO {
     constexpr static auto addr = Addr;
 
     /**
-     * Gets a pointer to the register.
+     * Reads the register's value.
      */
     constexpr static T read() {
         return *reinterpret_cast<volatile T*>(Addr);
@@ -392,7 +392,7 @@ struct RegisterMaskValue
      * Tests if this value is currently set in the register.
      */
     static bool test() {
-        return Mask::read() & (value << BitOffset<Mask>);
+        return (Mask::read() & Mask::mask) == (value << BitOffset<Mask>);
     }
 };