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; Check if the guess is valid
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check_guess:
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push hl
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push af
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push bc
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push de
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; five characters are needed
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ld a, [current_char]
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cp a, 5
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jp nz, .return
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; Compress the guess to the dictionary format,
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; and then search after it.
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call compress_guess
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call find_guess
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cp a, 1
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jp nz, .is_invalid
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.is_valid:
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call mark_hints
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.test_win:
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call check_win
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cp a, 1
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jp nz, .test_lose
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call init_state_won
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jp .return
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.test_lose:
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ld a, [current_guess]
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cp a, 5
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jp nz, .reset
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call init_state_lost
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jp .return
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.reset:
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ld a, [current_guess]
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inc a
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ld [current_guess], a
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ld a, 0
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ld [current_char], a
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jp .return
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.is_invalid:
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call show_message_unknown
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jp .return
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.return:
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pop de
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pop bc
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pop af
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pop hl
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ret
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; Check the win conditions
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; <- a
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check_win:
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call get_guess_offset
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ld bc, current_word
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ld a, [bc]
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ld d, a
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ld a, [hl]
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cp a, d
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jp nz, .not_equal
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REPT 4
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inc bc
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inc hl
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ld a, [bc]
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ld d, a
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ld a, [hl]
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cp a, d
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jp nz, .not_equal
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ENDR
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.equal:
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ld a, 1
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ret
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.not_equal:
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ld a, 0
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ret
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