From a0b4a1a6107e4dc905b21858d8ac76c47293cfb4 Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jans.tuomi@gmail.com>
Date: Wed, 21 Feb 2024 12:02:14 +0200
Subject: Add emu

---
 atk16_emu/test/test_opcode_hlt.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 atk16_emu/test/test_opcode_hlt.py

(limited to 'atk16_emu/test/test_opcode_hlt.py')

diff --git a/atk16_emu/test/test_opcode_hlt.py b/atk16_emu/test/test_opcode_hlt.py
new file mode 100644
index 0000000..5cae888
--- /dev/null
+++ b/atk16_emu/test/test_opcode_hlt.py
@@ -0,0 +1,18 @@
+from atk16_emu.emu import Machine
+from atk16_emu.test.utils import make_rom
+
+def test_hlt():
+  machine = Machine()
+
+  rom_image = make_rom([0b1111_0000_0000_0000]) # HLT
+  machine.load_rom_image(rom_image)
+  machine.reset()
+  machine.run()
+
+  assert machine.pc.value == 0
+  assert machine.running == True
+
+  machine.step()
+
+  assert machine.pc.value == 1
+  assert machine.running == False
-- 
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