13 lines
298 B
PHP
13 lines
298 B
PHP
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.macro PPU_SETADDR addr
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bit PPU_STATUS ; read from PPU_STATUS to reset latch
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lda #>addr ; > means get high byte from `addr`
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sta PPU_ADDR
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lda #<addr ; < means get low byte from `addr`
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sta PPU_ADDR
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.endmacro
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.macro PPU_SETDATA val
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lda val
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sta PPU_DATA
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.endmacro
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