1 files changed, 8 insertions, 0 deletions
diff --git a/shared/apu.s b/shared/apu.s
new file mode 100644
index 0000000..814c446
--- /dev/null
+++ b/shared/apu.s
@@ -0,0 +1,8 @@
+.scope APU
+    m_square_1_envelope = $4000
+    m_square_1_low      = $4002
+    m_square_1_high     = $4003
+    m_dmc               = $4010
+    m_status            = $4015
+    m_frame_counter     = $4017
+.endscope