ref: move jgezeroi16 function into a class (Bits16)

Author: bartsanchez

src/arch/z80/backend/_16bit.py

@@ -1102,20 +1102,20 @@ def jgezerou16(cls, ins: Quad) -> list[str]:
         output.append("jp %s" % str(ins[2]))
         return output
 
+    @classmethod
+    def jgezeroi16(cls, ins: Quad) -> list[str]:
+        """Jumps if top of the stack (16bit) is >= 0 to arg(1)"""
+        value = ins[1]
+        if is_int(value):
+            if int(value) >= 0:
+                return ["jp %s" % str(ins[2])]  # Always true
+            else:
+                return []
 
-def _jgezeroi16(ins: Quad) -> list[str]:
-    """Jumps if top of the stack (16bit) is >= 0 to arg(1)"""
-    value = ins[1]
-    if is_int(value):
-        if int(value) >= 0:
-            return ["jp %s" % str(ins[2])]  # Always true
-        else:
-            return []
-
-    output = Bits16.get_oper(value)
-    output.append("add hl, hl")  # Puts sign into carry
-    output.append("jp nc, %s" % str(ins[2]))
-    return output
+        output = Bits16.get_oper(value)
+        output.append("add hl, hl")  # Puts sign into carry
+        output.append("jp nc, %s" % str(ins[2]))
+        return output
 
 
 def _ret16(ins: Quad) -> list[str]:

src/arch/z80/backend/main.py

@@ -29,7 +29,6 @@
 from ._16bit import (
     Bits16,
     _fparam16,
-    _jgezeroi16,
     _jnzero16,
     _param16,
     _ret16,
@@ -329,7 +328,7 @@ def _set_quad_table(self):
             ICInstruction.JNZEROSTR: ICInfo(2, String.jnzerostr),  # if str is not NULL and len(str) > 0, jmp LABEL
             ICInstruction.JGEZEROI8: ICInfo(2, Bits8.jgezeroi8),  # if X >= 0 jmp LABEL
             ICInstruction.JGEZEROU8: ICInfo(2, Bits8.jgezerou8),  # if X >= 0 jmp LABEL (ALWAYS TRUE)
-            ICInstruction.JGEZEROI16: ICInfo(2, _jgezeroi16),  # if X >= 0 jmp LABEL
+            ICInstruction.JGEZEROI16: ICInfo(2, Bits16.jgezeroi16),  # if X >= 0 jmp LABEL
             ICInstruction.JGEZEROU16: ICInfo(2, Bits16.jgezerou16),  # if X >= 0 jmp LABEL (ALWAYS TRUE)
             ICInstruction.JGEZEROI32: ICInfo(2, Bits32.jgezeroi32),  # if X >= 0 jmp LABEL (32bit, fixed)
             ICInstruction.JGEZEROU32: ICInfo(2, Bits32.jgezerou32),  # if X >= 0 jmp LABEL (32bit, fixed) (always true)