diff options
Diffstat (limited to 'src/driver.s')
| -rw-r--r-- | src/driver.s | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/driver.s b/src/driver.s index 521c335..8b7f8ce 100644 --- a/src/driver.s +++ b/src/driver.s @@ -1,6 +1,14 @@ .segment "CODE" .scope Driver + ;; Timer for the player to be able to pick up the joypad upon entering the + ;; game. + ;; + ;; NOTE: this memory address is shared with `zp_title_timer`, as they can + ;; never conflict with each other. + zp_player_timer = $30 + PLAYER_TIMER_VALUE = HZ * 2 + .proc switch ;; Get the assets ready for the main screen. That is, make sure that the ;; palettes and such are as desired since the title screen needed @@ -11,6 +19,14 @@ lda #%10001010 sta PPU::zp_control + ;; Setup the player timer. + .ifdef PARTIAL + lda #1 + .else + lda #PLAYER_TIMER_VALUE + .endif + sta zp_player_timer + ;; Mark the state of the game as "game". That is, the player has ;; started. Also set the `ppu` flag so the PPU control update takes ;; place. @@ -22,7 +38,19 @@ .endproc .proc update - ;; TODO + lda zp_player_timer + beq @game + + dec zp_player_timer + beq @load_player + + ;; TODO: blinking of the selected player (every HZ count?). rts + + @load_player: + jsr Player::init + + @game: + JAL Player::update .endproc .endscope |