From 03f94838c2e77348c7a51abdd0c6653ad204bc37 Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jan@jantuomi.fi>
Date: Fri, 12 Apr 2024 22:10:29 +0300
Subject: Add not op

---
 atk16_asm/asm_ops.py | 13 +++++++++++--
 pytest.ini           |  3 +++
 2 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 pytest.ini

diff --git a/atk16_asm/asm_ops.py b/atk16_asm/asm_ops.py
index 96e0366..d5da1c1 100644
--- a/atk16_asm/asm_ops.py
+++ b/atk16_asm/asm_ops.py
@@ -181,6 +181,16 @@ def expand_xor(left: str, imm: str, target: str) -> ExpandResult:
 def expand_xori(left: str, right: str, target: str) -> ExpandResult:
   return [["ali", "al_xor", left, right, target]]
 
+def expand_not(reg: str) -> ExpandResult:
+  tmp = "RA"
+  return [
+    *expand_spu(tmp),
+    ["ldi", "0", tmp],
+    *expand_subi(tmp, "1", tmp),
+    *expand_xor(reg, tmp, reg),
+    *expand_spo(tmp),
+  ]
+
 def expand_sll(left: str, right: str, target: str) -> ExpandResult:
   return [["alr", "al_sll", left, right, target]]
 
@@ -294,8 +304,7 @@ expansions: OpExpansionDict = {
   "sub": expand_sub,
   "addi": expand_addi,
   "subi": expand_subi,
-  # "not": expand_not,
-  # "noti": expand_noti,
+  "not": expand_not,
   "and": expand_and,
   "andi": expand_andi,
   "or": expand_or,
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..c2c8abe
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,3 @@
+[pytest]
+filterwarnings =
+  ignore:pkg_resources is deprecated:DeprecationWarning
-- 
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