However, castling is clearly impossible from the initial setup. Instead, if the king has never moved and it is not in check, it may move rookwise along the second rank. It may not pass over attacked squares, and may not capture with this move. Moves and captures as in FIDE chess. En passant is identical.
Promotion is a bit different.
FC in Betza's Funny Notation. Represented by the inverted knight above. This piece is colorbound. Represented by the inverted rook above. This piece is also colorbound.