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A50B: Screen reset
This wipes and re-renders the visible tiles array into window_buf. It then zoomboxes the window_buf onto the screen and does a final plot after that.
Used by the routines at keyscan_break and escaped.
screen_reset A50B CALL wipe_visible_tiles Wipe the visible tiles array
A50E CALL plot_interior_tiles Render visible tiles array into the screen buffer
A511 CALL zoombox Zoombox the scene onto the screen
A514 CALL plot_game_window Plot the game screen
A517 LD A,$07 Set A to attribute_WHITE_OVER_BLACK
A519 JP set_game_window_attributes Set game window attributes (exit via)
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