diff --git a/hbbytecode/src/gen_valider.rs b/hbbytecode/src/gen_valider.rs
index d1e078f..e047aa6 100644
--- a/hbbytecode/src/gen_valider.rs
+++ b/hbbytecode/src/gen_valider.rs
@@ -158,6 +158,11 @@ macro_rules! inst_chk {
         [$($opcode)|*, _, _, _, _, _, _, _, _, _, $rest @ ..]
     };
 
+    ($rest:ident, d, $($opcode:ident),*) => {
+        //            D1 D2 D3 D4 D5 D6 D7 D8
+        [$($opcode)|*, _, _, _, _, _, _, _, _, $rest @ ..]
+    };
+
     ($rest:ident, n, $($opcode:ident),*) => {
         [$($opcode)|*, $rest @ ..]
     };
diff --git a/hbbytecode/src/lib.rs b/hbbytecode/src/lib.rs
index fe59ee2..6e63b95 100644
--- a/hbbytecode/src/lib.rs
+++ b/hbbytecode/src/lib.rs
@@ -61,6 +61,8 @@ macro_rules! invoke_with_def {
                 => [NEG, NOT, CP, SWA, NEGF, ITF, FTI],
             bd(p0: R, p1: I)
                 => [LI],
+            d(p0: I)
+                => [JMP],
             n()
                 => [UN, TX, NOP, ECALL],
         );