diff --git a/src/isa/macros.rs b/src/isa/macros.rs
index 74cbde3..623136a 100644
--- a/src/isa/macros.rs
+++ b/src/isa/macros.rs
@@ -220,7 +220,7 @@ macro_rules! instr {
     (extr s16[$idx:literal], $reg:ident[$reg_idx:literal], a16[$offset_idx:literal]) => {
         Instr::Bytes(BytesOp::Extr(
             RegS::from($idx),
-            $crate::_reg_ty!(Reg, $reg),
+            $crate::_reg_tyar!(Reg, $reg),
             $crate::_reg_idx16!($reg_idx),
             $crate::_reg_idx16!($offset_idx),
         ))
@@ -228,7 +228,7 @@ macro_rules! instr {
     (inj s16[$idx:literal], $reg:ident[$reg_idx:literal], a16[$offset_idx:literal]) => {
         Instr::Bytes(BytesOp::Inj(
             RegS::from($idx),
-            $crate::_reg_ty!(Reg, $reg),
+            $crate::_reg_tyar!(Reg, $reg),
             $crate::_reg_idx16!($reg_idx),
             $crate::_reg_idx16!($offset_idx),
         ))
@@ -1355,6 +1355,60 @@ macro_rules! _reg_tyr {
     };
 }
 
+#[doc(hidden)]
+#[macro_export]
+macro_rules! _reg_tyar {
+    ($ident:ident,a8) => {
+        $crate::paste! { [<$ident AR>] :: A8 }
+    };
+    ($ident:ident,a16) => {
+        $crate::paste! { [<$ident AR>] :: A16 }
+    };
+    ($ident:ident,a32) => {
+        $crate::paste! { [<$ident AR>] :: A32 }
+    };
+    ($ident:ident,a64) => {
+        $crate::paste! { [<$ident AR>] :: A64 }
+    };
+    ($ident:ident,a128) => {
+        $crate::paste! { [<$ident AR>] :: A128 }
+    };
+    ($ident:ident,a256) => {
+        $crate::paste! { [<$ident AR>] :: A256 }
+    };
+    ($ident:ident,a512) => {
+        $crate::paste! { [<$ident AR>] :: A512 }
+    };
+    ($ident:ident,a1024) => {
+        $crate::paste! { [<$ident AR>] :: A1024 }
+    };
+
+    ($ident:ident,r128) => {
+        $crate::paste! { [<$ident AR>] :: R128 }
+    };
+    ($ident:ident,r160) => {
+        $crate::paste! { [<$ident AR>] :: R160 }
+    };
+    ($ident:ident,r256) => {
+        $crate::paste! { [<$ident AR>] :: R256 }
+    };
+    ($ident:ident,r512) => {
+        $crate::paste! { [<$ident AR>] :: R512 }
+    };
+    ($ident:ident,r1024) => {
+        $crate::paste! { [<$ident AR>] :: R1024 }
+    };
+    ($ident:ident,r2048) => {
+        $crate::paste! { [<$ident AR>] :: R2048 }
+    };
+    ($ident:ident,r4096) => {
+        $crate::paste! { [<$ident AR>] :: R4096 }
+    };
+    ($ident:ident,r8192) => {
+        $crate::paste! { [<$ident AR>] :: R8192 }
+    };
+}
+
 #[doc(hidden)]
 #[macro_export]
 macro_rules! _reg_idx {