diff --git a/src/copapy/generate_stancils.py b/src/copapy/generate_stancils.py
index 4f58c28..23c1ba0 100644
--- a/src/copapy/generate_stancils.py
+++ b/src/copapy/generate_stancils.py
@@ -19,7 +19,7 @@ def get_result_stubs(type1: str, type2: str):
 
 def get_read_reg0_code(type1: str, type2: str, type_out: str):
     return f"""
-    void read_reg0_{type1}_{type2}({type1} arg1, {type2} arg2) {{
+    void read_{type_out}_reg0_{type1}_{type2}({type1} arg1, {type2} arg2) {{
         asm volatile (".long 0xF17ECAFE");
         result_{type_out}_{type2}(dummy_{type_out}, arg2);
         asm volatile (".long 0xF27ECAFE");
@@ -28,7 +28,7 @@ def get_read_reg0_code(type1: str, type2: str, type_out: str):
 
 def get_read_reg1_code(type1: str, type2: str, type_out: str):
     return f"""
-    void read_reg1_{type1}_{type2}({type1} arg1, {type2} arg2) {{
+    void read_{type_out}_reg1_{type1}_{type2}({type1} arg1, {type2} arg2) {{
         asm volatile (".long 0xF17ECAFE");
         result_{type1}_{type_out}(arg1, dummy_{type_out});
         asm volatile (".long 0xF27ECAFE");
diff --git a/src/copapy/stancils.c b/src/copapy/stancils.c
index 49a7ef0..e9df41c 100644
--- a/src/copapy/stancils.c
+++ b/src/copapy/stancils.c
@@ -109,97 +109,97 @@
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_int_int(int arg1, int arg2) {
+    void read_int_reg0_int_int(int arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_int(dummy_int, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_int_int(int arg1, int arg2) {
+    void read_int_reg1_int_int(int arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_int(arg1, dummy_int);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_int_int(int arg1, int arg2) {
+    void read_float_reg0_int_int(int arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_int(dummy_float, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_int_int(int arg1, int arg2) {
+    void read_float_reg1_int_int(int arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_float(arg1, dummy_float);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_int_float(int arg1, float arg2) {
+    void read_int_reg0_int_float(int arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_float(dummy_int, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_int_float(int arg1, float arg2) {
+    void read_int_reg1_int_float(int arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_int(arg1, dummy_int);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_int_float(int arg1, float arg2) {
+    void read_float_reg0_int_float(int arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_float(dummy_float, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_int_float(int arg1, float arg2) {
+    void read_float_reg1_int_float(int arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_float(arg1, dummy_float);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_float_int(float arg1, int arg2) {
+    void read_int_reg0_float_int(float arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_int(dummy_int, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_float_int(float arg1, int arg2) {
+    void read_int_reg1_float_int(float arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_int(arg1, dummy_int);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_float_int(float arg1, int arg2) {
+    void read_float_reg0_float_int(float arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_int(dummy_float, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_float_int(float arg1, int arg2) {
+    void read_float_reg1_float_int(float arg1, int arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_float(arg1, dummy_float);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_float_float(float arg1, float arg2) {
+    void read_int_reg0_float_float(float arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_int_float(dummy_int, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_float_float(float arg1, float arg2) {
+    void read_int_reg1_float_float(float arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_int(arg1, dummy_int);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg0_float_float(float arg1, float arg2) {
+    void read_float_reg0_float_float(float arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_float(dummy_float, arg2);
         asm volatile (".long 0xF27ECAFE");
     }
     
-    void read_reg1_float_float(float arg1, float arg2) {
+    void read_float_reg1_float_float(float arg1, float arg2) {
         asm volatile (".long 0xF17ECAFE");
         result_float_float(arg1, dummy_float);
         asm volatile (".long 0xF27ECAFE");