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18 lines
531 B
Plaintext
18 lines
531 B
Plaintext
;------------------------------------------------------------------------------
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; HasPuzzleBeenCompleted
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;
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; in: X = puzzle ID
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; out: C clear if puzzle had previously been marked as completed
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; C set if puzzle has never been marked as completed
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; X/Y preserved
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; A clobbered
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; other flags clobbered
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;------------------------------------------------------------------------------
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HasPuzzleBeenCompleted
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lda PROGRESS, x
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beq +
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clc
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rts
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+ sec
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rts
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