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.segment "CODE"
.scope Background
;; Screen coordinates on the Y axis for the ground.
GROUND_Y_COORD = $C8
;; To make them easier to traverse when performing background collision
;; checking, each platform is laid out in tile coordinates and spanning
;; three bytes: tile row, tile column beginning, tile column end.
platforms:
;; Top of the screen.
.byte $03, $00, $FF
;; Left platform.
.byte $09, $18, $1D
;; Center platform.
.byte $0C, $03, $08
;; Right platform.
.byte $0F, $0F, $12
;; Ground.
.byte $19, $00, $FF
;; End of the list.
.byte $FF
.endscope
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