2017-06-06 20:36:18 +08:00
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##
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## This file is part of the libsigrokdecode project.
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##
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2019-09-09 00:07:19 -07:00
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## Copyright (C) 2018 fenugrec <fenugrec@users.sourceforge.net>
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2017-06-06 20:36:18 +08:00
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, see <http://www.gnu.org/licenses/>.
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##
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'''
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2019-09-09 00:07:19 -07:00
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This protocol decoder de-multiplexes Intel MCS-48 (8039, 8048, etc.) external
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program memory accesses.
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2017-06-06 20:36:18 +08:00
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2019-09-09 00:07:19 -07:00
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This requires 14 channels: 8 for D0-D7 (data and lower 8 bits of address),
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4 for A8-A11 (output on port P2), ALE and PSEN.
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2017-06-06 20:36:18 +08:00
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2019-09-09 00:07:19 -07:00
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An optional A12 is supported, which may be an arbitrary I/O pin driven by
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software (use case is dumping ROM of an HP 3478A).
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2017-06-06 20:36:18 +08:00
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'''
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from .pd import Decoder
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