m62_bkungfu.cpp - make most of the ingame HUD elements work (#13962)

* proper dirty marking
* make the floor counter display work
* handle the credit number / continue counter
* allow high score table to be drawn
* allow high score name entry
* add notes
* make the tilemap wide enough for the background, put some dummy (column position values) in the tilemap when the command is issued.
* put the draw on a timer

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Co-authored-by: David Haywood <[email protected]>

Author: mamehaze