From c1fdbef01ff06d4d9b518b360ecc1890a17d4c21 Mon Sep 17 00:00:00 2001
From: uvok
Date: Mon, 5 Jan 2026 14:40:19 +0100
Subject: disas: Canonocalize AND dest, #0... to mov

---
 nandgame/assembler/disas.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'nandgame/assembler/disas.py')

diff --git a/nandgame/assembler/disas.py b/nandgame/assembler/disas.py
index 607537a..0256976 100755
--- a/nandgame/assembler/disas.py
+++ b/nandgame/assembler/disas.py
@@ -146,6 +146,12 @@ def fixup_ins(ins: int) -> list[str]:
         # all other jumps? <=, >=, =, <=>
         else:
             return ["jmp", "", "", "", ""]
+    if mnemonic == "and" and op1 == ZERO:
+        if jumpdest in ["jgt", "jlt", "jne", JUMP_NONE]:
+            newjmp = ""
+        else:
+            newjmp = "jmp"
+        return ["mov", dest, ZERO, "", newjmp]
 
     return [mnemonic, dest, op1, op2, jumpdest]
 
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