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authorMiquel Sabaté Solà <mssola@mssola.com>2026-04-09 00:33:04 +0200
committerMiquel Sabaté Solà <mssola@mssola.com>2026-04-10 13:32:44 +0200
commit1978afbc18ffb227f0ce36663648e00d1d2d7945 (patch)
tree10584b63468ca718be84a40ef2c34ef99cb75924 /shared/ppu.s
parent21a599651c07ee021d0f211ba45add538acd0f4a (diff)
downloadcode.nes-1978afbc18ffb227f0ce36663648e00d1d2d7945.tar.gz
code.nes-1978afbc18ffb227f0ce36663648e00d1d2d7945.zip
Add the sound/beep.s example
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>
Diffstat (limited to 'shared/ppu.s')
-rw-r--r--shared/ppu.s9
1 files changed, 9 insertions, 0 deletions
diff --git a/shared/ppu.s b/shared/ppu.s
index 42acb06..8b548e9 100644
--- a/shared/ppu.s
+++ b/shared/ppu.s
@@ -9,3 +9,12 @@
lda #value
sta $2007
.endmacro
+
+.scope PPU
+ m_control = $2000
+ m_mask = $2001
+ m_status = $2002
+ m_scroll = $2005
+ m_address = $2006
+ m_data = $2007
+.endscope