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| author | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-03-19 17:28:36 +0100 |
|---|---|---|
| committer | Miquel Sabaté Solà <mikisabate@gmail.com> | 2025-03-19 17:28:36 +0100 |
| commit | 4c8ed456d990ee99884e9dcd245f665ccb894b50 (patch) | |
| tree | 7305788a45bffa1ed291c2f65af2dea1f7b8db29 /src/jetpac.s | |
| parent | d38a958f446aac1a6faa79277c140ab8a0ff03f4 (diff) | |
| download | jetpac.nes-4c8ed456d990ee99884e9dcd245f665ccb894b50.tar.gz jetpac.nes-4c8ed456d990ee99884e9dcd245f665ccb894b50.zip | |
Disable the PPU between the title to main screens
During other transitions like game over and such it might also be needed
to have something similar, but for now this should cut it.
Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
Diffstat (limited to 'src/jetpac.s')
| -rw-r--r-- | src/jetpac.s | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/jetpac.s b/src/jetpac.s index 66d5457..184374e 100644 --- a/src/jetpac.s +++ b/src/jetpac.s @@ -40,8 +40,8 @@ .include "assets.s" .include "background.s" .include "player.s" -.include "driver.s" .include "title.s" +.include "driver.s" .include "vectors.s" .proc main @@ -72,6 +72,7 @@ ;; Enable back the PPU lda #%00011110 + sta PPU::zp_mask sta PPU::MASK @main_game_loop: @@ -85,9 +86,15 @@ jmp @over @title_screen: + ;; If we are in a transitioning state, avoid the update from the title. + lda Globals::zp_flags + and #%00000100 + bne @do_switch + jsr Title::update beq @set_flags +@do_switch: ;; Start was pressed by the player, switch to the main game. jsr Driver::switch jmp @set_flags |