From: pwpiwi <pwpiwi@users.noreply.github.com>
Date: Tue, 2 Jun 2015 20:27:14 +0000 (+0200)
Subject: fixing iso14443b (issue #103):
X-Git-Tag: v2.1.0~1^2~7
X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/5b95953d4227d9af4b5a5f20156b668bba55aac8?hp=5b95953d4227d9af4b5a5f20156b668bba55aac8

fixing iso14443b (issue #103):
- most significant bit of tag data (which happens to be the sign bit)
had been dropped when snooping (FPGA change)
- avoid trying to decode both tag and reader data when snooping (we don't
have the time to do so).
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