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| author | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-05-15 16:27:36 +0200 |
|---|---|---|
| committer | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-05-15 16:27:36 +0200 |
| commit | 122654c1ef9d99af8210ce95dee4eb4d1bc04b67 (patch) | |
| tree | 20315f7fab69df8d6fa5f7b6fef4556c57c7e5e7 /include | |
| parent | 2f1f5a23ea8a7cbace2c5e18996728adc572cbc0 (diff) | |
| download | jetpac.nes-122654c1ef9d99af8210ce95dee4eb4d1bc04b67.tar.gz jetpac.nes-122654c1ef9d99af8210ce95dee4eb4d1bc04b67.zip | |
Define the notion of a level
This is for now just a variable that will be set during initialization,
and that it can be influenced through the `LEVEL` make variable. Both
the level and the level "kind" notions are used tracking, at least,
which kind of enemy wave we have to send.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/globals.s | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/globals.s b/include/globals.s index 395df61..531c812 100644 --- a/include/globals.s +++ b/include/globals.s @@ -34,4 +34,12 @@ ;; | 2 | title over | We are transitioning from title to game | ;; | 1-0 | game | 0: title; 1: game; 2: game over, 3: game over (coin) | zp_flags = $20 + + ;; Current level of the game. + zp_level = $24 + + ;; The level "kind". Note that `zp_level` can go on forever, but the level + ;; "kind" repeats every 8 waves. Hence, this is just a cached version of + ;; masking `zp_level`. + zp_level_kind = $25 .endscope |