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# -*- coding: utf-8 -*-
#
# AWL simulator - instructions
#
# Copyright 2012-2018 Michael Buesch <m@bues.ch>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
#from awlsim.common.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.common.exceptions import *
from awlsim.core.instructions.main import * #+cimport
from awlsim.core.operatortypes import * #+cimport
from awlsim.core.operators import * #+cimport
class AwlInsn_RRDA(AwlInsn): #+cdef
__slots__ = ()
def __init__(self, cpu, rawInsn=None, **kwargs):
AwlInsn.__init__(self, cpu, AwlInsn.TYPE_RRDA, rawInsn, **kwargs)
self.assertOpCount(0)
def run(self): #+cdef
#@cy cdef S7StatusWord s
#@cy cdef uint32_t oldA1
#@cy cdef uint32_t accu1
s = self.cpu.statusWord
oldA1 = s.A1 & 1 #+suffix-u
accu1 = self.cpu.accu1.getDWord()
s.A0, s.A1, s.OV = 0, (accu1 & 1), 0 #+suffix-u
accu1 >>= 1 #+suffix-u
accu1 |= oldA1 << 31 #+suffix-u
self.cpu.accu1.set(accu1)
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