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| author | Miquel Sabaté Solà <msabate@suse.com> | 2023-11-27 10:31:03 +0100 |
|---|---|---|
| committer | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-02-04 21:02:54 +0100 |
| commit | cee93625989b651cfe91387eabd0abd3f64a00df (patch) | |
| tree | d1525bd15c191c2926ea1166263b249a8bbeb79c /scroll/include/oam.s | |
| parent | 0e1839f48ada69b81f5879449d0e0fe435f851c5 (diff) | |
| download | code.nes-cee93625989b651cfe91387eabd0abd3f64a00df.tar.gz code.nes-cee93625989b651cfe91387eabd0abd3f64a00df.zip | |
scroll: Start with the scrolling examples
This is still work in progress but at least there's some basic structure
to it.
Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>
Diffstat (limited to 'scroll/include/oam.s')
| -rw-r--r-- | scroll/include/oam.s | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/scroll/include/oam.s b/scroll/include/oam.s new file mode 100644 index 0000000..ecd1b7d --- /dev/null +++ b/scroll/include/oam.s @@ -0,0 +1,13 @@ +.segment "CODE" + +.scope OAM + ADDR = $2003 + DMA = $4014 +.endscope + +.macro OAM_WRITE_SPRITES + lda #$00 + sta OAM::ADDR + lda #$02 + sta OAM::DMA +.endmacro |