From 1978afbc18ffb227f0ce36663648e00d1d2d7945 Mon Sep 17 00:00:00 2001
From: Miquel Sabaté Solà <mssola@mssola.com>
Date: Thu, 9 Apr 2026 00:33:04 +0200
Subject: Add the sound/beep.s example
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This is the most simple example you can come up when it comes to
producing sound on the NES/Famicom. Basically, a single note is
delivered to the APU which is continuously on.

Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
---
 shared/oam.s | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 shared/oam.s

(limited to 'shared/oam.s')

diff --git a/shared/oam.s b/shared/oam.s
new file mode 100644
index 0000000..ff23d64
--- /dev/null
+++ b/shared/oam.s
@@ -0,0 +1,11 @@
+.scope OAM
+    m_addr = $2003
+    m_dma  = $4014
+.endscope
+
+.macro OAM_WRITE_SPRITES
+    lda #$00
+    sta OAM::m_addr
+    lda #$02
+    sta OAM::m_dma
+.endmacro
-- 
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