ref: move param16 function into a class (Bits16)

Author: bartsanchez

src/arch/z80/backend/_16bit.py

@@ -1125,12 +1125,12 @@ def ret16(cls, ins: Quad) -> list[str]:
         output.append("jp %s" % str(ins[2]))
         return output
 
-
-def _param16(ins: Quad) -> list[str]:
-    """Pushes 16bit param into the stack"""
-    output = Bits16.get_oper(ins[1])
-    output.append("push hl")
-    return output
+    @classmethod
+    def param16(cls, ins: Quad) -> list[str]:
+        """Pushes 16bit param into the stack"""
+        output = Bits16.get_oper(ins[1])
+        output.append("push hl")
+        return output
 
 
 def _fparam16(ins: Quad) -> list[str]:

src/arch/z80/backend/main.py

@@ -30,7 +30,6 @@
     Bits16,
     _fparam16,
     _jnzero16,
-    _param16,
 )
 
 # 32 bit bitwise operations
@@ -335,8 +334,8 @@ def _set_quad_table(self):
             ICInstruction.JGEZEROF: ICInfo(2, Float.jgezerof),  # if X >= 0 jmp LABEL (float)
             ICInstruction.PARAMU8: ICInfo(1, Bits8.param8),  # Push 8 bit param onto the stack
             ICInstruction.PARAMI8: ICInfo(1, Bits8.param8),  # Push 8 bit param onto the stack
-            ICInstruction.PARAMU16: ICInfo(1, _param16),  # Push 16 bit param onto the stack
-            ICInstruction.PARAMI16: ICInfo(1, _param16),  # Push 16 bit param onto the stack
+            ICInstruction.PARAMU16: ICInfo(1, Bits16.param16),  # Push 16 bit param onto the stack
+            ICInstruction.PARAMI16: ICInfo(1, Bits16.param16),  # Push 16 bit param onto the stack
             ICInstruction.PARAMU32: ICInfo(1, Bits32.param32),  # Push 32 bit param onto the stack
             ICInstruction.PARAMI32: ICInfo(1, Bits32.param32),  # Push 32 bit param onto the stack
             ICInstruction.PARAMF16: ICInfo(1, Fixed16.paramf16),  # Push 32 bit param onto the stack