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| author | Miquel Sabaté Solà <mssola@mssola.com> | 2026-09-16 22:34:56 +0200 |
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| committer | Miquel Sabaté Solà <mssola@mssola.com> | 2026-09-16 22:34:56 +0200 |
| commit | 70a801a43c16fd7a5f61e8d876e5d5c2db48ebe8 (patch) | |
| tree | f1836f8facd9dc69429ab5693afec8d4d326025d /include/oam.s | |
| download | btree.nes-70a801a43c16fd7a5f61e8d876e5d5c2db48ebe8.tar.gz btree.nes-70a801a43c16fd7a5f61e8d876e5d5c2db48ebe8.zip | |
Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
Diffstat (limited to 'include/oam.s')
| -rw-r--r-- | include/oam.s | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/oam.s b/include/oam.s new file mode 100644 index 0000000..a73494d --- /dev/null +++ b/include/oam.s @@ -0,0 +1,12 @@ +.scope OAM + ;; Region in internal RAM where sprites are being allocated for later use in + ;; the DMA process. The entire page is reserved, as there are 64 sprites x 4 + ;; bytes each = 256 bytes in total. + m_sprites = $200 ; asan:reserve $100 + + ;;; + ;; Actual addresses from OAM space. + + m_address = $2003 + m_dma = $4014 +.endscope |