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| author | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-03-13 22:52:49 +0100 |
|---|---|---|
| committer | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-03-13 22:52:49 +0100 |
| commit | 9ff2033e936689135210989a5fee057a4a13527e (patch) | |
| tree | dd41ffd78f451d28a554f105ff40017ed31106a2 /include/ppu.s | |
| parent | 2627b459d9a19ce7f1b7f3a359dca3b30b66b34e (diff) | |
| download | jetpac.nes-9ff2033e936689135210989a5fee057a4a13527e.tar.gz jetpac.nes-9ff2033e936689135210989a5fee057a4a13527e.zip | |
Add a title and a main screens
This commit adds the skeleton for having a title and a main screen. For
now the title menu doesn't do much, as the selection is simply ignored,
but at least it already knows how to cycle between these two states.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Diffstat (limited to 'include/ppu.s')
| -rw-r--r-- | include/ppu.s | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/ppu.s b/include/ppu.s index fa0df19..dd24422 100644 --- a/include/ppu.s +++ b/include/ppu.s @@ -5,4 +5,8 @@ SCROLL = $2005 ADDRESS = $2006 DATA = $2007 + + ;; Shadow for the PPU::CONTROL value. Touch this value instead of accessing + ;; the PPU register directly. + zp_control = $80 .endscope |