1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
# -*- 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.common.datatypehelpers import * #+cimport
from awlsim.core.instructions.main import * #+cimport
from awlsim.core.operatortypes import * #+cimport
from awlsim.core.operators import * #+cimport
class AwlInsn_MU_R(AwlInsn): #+cdef
__slots__ = ()
def __init__(self, cpu, rawInsn=None, **kwargs):
AwlInsn.__init__(self, cpu, AwlInsn.TYPE_MU_R, rawInsn, **kwargs)
self.assertOpCount(0)
def run(self): #+cdef
#@cy cdef S7StatusWord s
#@cy cdef uint32_t accu1DWord
#@cy cdef uint32_t accu2DWord
#@cy cdef double prod
s = self.cpu.statusWord
accu1DWord = self.cpu.accu1.get()
accu2DWord = self.cpu.accu2.get()
if isInf(accu1DWord) or isInf(accu2DWord):
if isPosNegZero(accu1DWord) or isPosNegZero(accu2DWord):
accu1DWord = floatConst.nNaNDWord
else:
accu1DWord = accu2DWord ^ (accu1DWord & 0x80000000) #+suffix-u
self.cpu.accu1.set(accu1DWord)
s.setForFloatingPoint(dwordToPyFloat(accu1DWord))
s.OV, s.OS = 1, 1
else:
prod = dwordToPyFloat(accu1DWord) * dwordToPyFloat(accu2DWord)
self.cpu.accu1.setPyFloat(prod)
s.setForFloatingPoint(prod)
|
