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#! /usr/bin/env python
###############################################################################
#
# simulavr - A simulator for the Atmel AVR family of microcontrollers.
# Copyright (C) 2001, 2002 Theodore A. Roth
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
###############################################################################
#
# $Id: test_BSET.py,v 1.2 2002/02/20 21:28:31 troth Exp $
#
"""Test the BSET opcode.
The following opcodes are pseudonyms for BSET:
SEC, SEZ, SEN, SEV, SES, SEH, SET, SEI
"""
import base_test
from registers import Reg
class BSET_TestFail(base_test.TestFail): pass
class base_BSET(base_test.opcode_test):
"""Generic test case for testing BSET opcode.
Bit set in SREG.
opcode is '1001 0100 0sss 1000' where s is the sreg bit.
No registers except for PC and SREG should have changed.
"""
def setup(self):
# set the sreg to zero
self.setup_regs[Reg.SREG] = 0
return 0x9408 | (self.bit << 4)
def analyze_results(self):
# check that correct SREG bit is set
self.reg_changed.append(Reg.SREG)
expect = (1 << self.bit)
got = self.anal_regs[Reg.SREG]
if expect != got:
self.fail('SREG bit %d not set: expect=%02x, got=%02x' % (self.bit, expect, got))
#
# Template code for test case.
# The fail method will raise a test specific exception.
#
template = """
class BSET_bit%d_TestFail(BSET_TestFail): pass
class test_BSET_bit%d(base_BSET):
bit = %d
def fail(self,s):
raise BSET_bit%d_TestFail, s
"""
#
# automagically generate the test_BSET_bitN_is_[01] class definitions
#
code = ''
for b in range(8):
code += template % (b,b,b,b)
exec code
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