1 files changed, 5 insertions, 0 deletions
diff --git a/src/decode.rs b/src/decode.rs
index d520151..e24bac0 100644
--- a/src/decode.rs
+++ b/src/decode.rs
@@ -93,4 +93,9 @@ impl Instruction {
     pub fn funct6(self) -> u8 {
         (self.0 >> 26 & 0x3f) as u8
     }
+
+    /// Mostly/only used for the SYSTEM opcode
+    pub fn funct12(self) -> u16 {
+        (self.0 >> 20) as u16
+    }
 }