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.segment "CODE"
.scope PPU
CONTROL = $2000
MASK = $2001
STATUS = $2002
SCROLL = $2005
ADDRESS = $2006
DATA = $2007
.endscope
.macro PPU_ADDR address
lda #.HIBYTE(address)
sta PPU::ADDRESS
lda #.LOBYTE(address)
sta PPU::ADDRESS
.endmacro
;; WRITE_PPU_DATA is a macro that will write into PPU::ADDRESS the given address
;; and into PPU::DATA the given byte value.
.macro WRITE_PPU_DATA address, value
bit PPU::STATUS
PPU_ADDR address
lda #value
sta PPU::DATA
.endmacro
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