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.scope Game
;; Contains relevant flags for the execution of the game:
;; - 7: set to 1 whenever the game logic is over and we can start
;; rendering; set to 0 when rendering is done.
;; - 6-0: unused.
zp_flags = $20
.endscope
;; SET_RENDER_FLAG sets the render bit on Game::flags to 1.
.macro SET_RENDER_FLAG
lda #%10000000
ora Game::zp_flags
sta Game::zp_flags
.endmacro
;; UNSET_RENDER_FLAG sets the render bit on Game::flags to 0.
.macro UNSET_RENDER_FLAG
lda #%01111111
and Game::zp_flags
sta Game::zp_flags
.endmacro
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