Routines
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AA26: Shunt map up-right
This moves the map up-right.
Used by the routine at move_map.
Input
HL Contents of map_position map position
shunt_map_up_right AA26 DEC L Move the map position up (H) and to the right (L)
AA27 INC H
AA28 LD ($81BB),HL
AA2B CALL get_supertiles Update the supertiles in map_buf
AA2E LD HL,$F110 Shunt the tile_buf up and to the right
AA31 LD DE,$F0F9
AA34 LD BC,$0180
AA37 LDIR
AA39 LD HL,$F350 Shunt the window_buf up and to the right
AA3C LD DE,$F291
AA3F LD BC,$0C00
AA42 LDIR
AA44 CALL plot_bottommost_tiles Plot the complete bottommost row of tiles
AA47 CALL plot_leftmost_tiles Plot the complete leftmost column of tiles
AA4A RET Return
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