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AA8D: Shunt map down-left
This moves the map down-left.
Used by the routine at move_map.
shunt_map_down_left AA8D INC L Shunt the map position down (H) and to the left (L)
AA8E DEC H
AA8F LD ($81BB),HL
AA92 CALL get_supertiles Update the supertiles in map_buf
AA95 LD HL,$F277 Shunt the tile_buf down
AA98 LD DE,$F28E
AA9B LD BC,$017F
AA9E LDDR
AAA0 LD HL,$FE8F Shunt the window_buf down
AAA3 LD DE,$FF4E
AAA6 LD BC,$0BFF
AAA9 LDDR
AAAB CALL plot_topmost_tiles Plot the complete topmost row of tiles
AAAE CALL plot_rightmost_tiles Plot the complete rightmost column of tiles
AAB1 RET Return
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