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authorMiquel Sabaté Solà <mssola@mssola.com>2026-04-13 16:34:11 +0200
committerMiquel Sabaté Solà <mssola@mssola.com>2026-04-13 16:34:11 +0200
commitaef156ac6216ed157b06a2872ba051af43317e93 (patch)
treea6daca2bc0353e6b59823bc6bf019362ecb02507 /include
parentc3c6f3b4469bf9eadff5763fa16dbbbf15637e57 (diff)
downloadjetpac.nes-aef156ac6216ed157b06a2872ba051af43317e93.tar.gz
jetpac.nes-aef156ac6216ed157b06a2872ba051af43317e93.zip
Add sound effects
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
Diffstat (limited to 'include')
-rw-r--r--include/apu.s16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/apu.s b/include/apu.s
index bb0319f..dc2ce87 100644
--- a/include/apu.s
+++ b/include/apu.s
@@ -1,4 +1,16 @@
.scope APU
- m_dmc = $4010
- m_frame_counter = $4017
+ m_square_1_envelope = $4000
+ m_square_1_sweep = $4001
+ m_square_1_low = $4002
+ m_square_1_high = $4003
+ m_square_2_envelope = $4004
+ m_square_2_sweep = $4005
+ m_square_2_low = $4006
+ m_square_2_high = $4007
+ m_noise_envelope = $400C
+ m_noise_mode = $400E
+ m_noise_counter = $400F
+ m_dmc = $4010
+ m_status = $4015
+ m_frame_counter = $4017
.endscope