Some shit software I was messing with on gb
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if !def(_video_inc_)
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_video_inc_ equ 0
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bgmap_width equ 32
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bgmap_height equ 32
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screen_width equ 20
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screen_height equ 18
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tile_height equ 8
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len_1bpp_tile equ 1 * tile_height
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len_2bpp_tile equ 2 * tile_height
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tile equs "+ len_2bpp_tile *"
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tiles equs "* len_2bpp_tile"
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coord: macro
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if _NARG < 4
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ld \1, (\3) * screen_width + (\2) + w_tilemap
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else
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ld \1, (\3) * screen_width + (\2) + (\4)
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endc
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endm
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dcoord: macro
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if _NARG < 4
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dw (\2) * screen_width + (\1) + w_tilemap
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else
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dw (\2) * screen_width + (\1) + (\3)
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endc
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endm
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bgcoord: macro
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if _NARG < 4
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ld \1, (\3) * bgmap_width + (\2) + v_bgmap1
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else
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ld \1, (\3) * bgmap_width + (\2) + (\4)
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endc
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endm
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dbgcoord: macro
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if _NARG < 3
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dw (\2) * bgmap_width + (\1) + v_bgmap1
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else
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dw (\2) * bgmap_width + (\1) + (\3)
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endc
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endm
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endc
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