34 lines
591 B
Plaintext
34 lines
591 B
Plaintext
Memory Map:
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$2000 -- code
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$9000 -- tiles
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$9400 -- global tilemap
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$BC00 -- local tilemap subset
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$BD00 -- unused
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$C000 -- ROM
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Memory map:
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$0000-$00ff = zero page
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$0100-$01ff = stack
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$0200-$03ff = ???
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$0400-$07ff = lo-res page1
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$0800-$0bff = lo-res page2
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$0c00-$0fff = background image
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$1000-$1fff = loader
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$2000-????? = code
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$9000-$93ff = tiles (1k)
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$9400-????? = big_tilemap (10k)
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$BC00-????? = tilemap (1k) 10x16
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tiles are 2x4, or 4 bytes each
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so in theory can have up to 256 of them
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in 16x16 grid
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tilemap is 256 wide by 40 tall = 10k
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Tiles:
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hard tiles start at 32
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