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"Un-clutter" the decode() routine. Group related instructions to improve
readability. Drop redundant statements where common code can handle all
cases. Also fixes an unconditional access to the optional decimal point
input signal (which had caused a runtime error, and ceased decoding).
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Add a comment to the table which maps LED segment combinations to their
textual presentation. Mention the table's sort order for awareness, and
provide column captions as well as a segment layout illustration to
simplify maintenance.
The LED segment layout comment was
Submitted-by: Ben Gardiner <ben.l.gardiner@gmail.com>
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Expand the list of characters that will be recognized by the seven
segment decoder to include many display character 'encodings.'
Including some punctuation characters and tricky letters like W and V.
Signed-off-by: Ben Gardiner <ben.l.gardiner@gmail.com>
[ gsi: sort by ASCII codes (keep ignoring letter case) ]
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option show_unknown=yes will display unknown 7-segment characters as
an octothorpe ('#').
Signed-off-by: Ben Gardiner <ben.l.gardiner@gmail.com>
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