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| author | Miquel Sabaté Solà <mssola@mssola.com> | 2026-04-09 00:33:04 +0200 |
|---|---|---|
| committer | Miquel Sabaté Solà <mssola@mssola.com> | 2026-04-10 13:32:44 +0200 |
| commit | 1978afbc18ffb227f0ce36663648e00d1d2d7945 (patch) | |
| tree | 10584b63468ca718be84a40ef2c34ef99cb75924 /shared/oam.s | |
| parent | 21a599651c07ee021d0f211ba45add538acd0f4a (diff) | |
| download | code.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/oam.s')
| -rw-r--r-- | shared/oam.s | 11 |
1 files changed, 11 insertions, 0 deletions
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 |