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;; WRITE_PPU_DATA is a macro that will write into PPUADDR the given address and
;; into PPUDATA the given byte value.
.macro WRITE_PPU_DATA address, value
bit $2002
lda #.HIBYTE(address)
sta $2006
lda #.LOBYTE(address)
sta $2006
lda #value
sta $2007
.endmacro
.scope PPU
CONTROL = $2000
MASK = $2001
STATUS = $2002
SCROLL = $2005
ADDRESS = $2006
DATA = $2007
;; Variable that shadows the value on PPU::CONTROL.
zp_control = $80
;; Variable that shadows the value on PPU::MASK.
zp_mask = $81
.endscope
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