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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_IJMP.py,v 1.1 2002/03/26 05:26:54 troth Exp $
#
"""Test the IJMP opcode.
"""
import base_test
from registers import Reg
class IJMP_TestFail(base_test.TestFail): pass
class base_IJMP(base_test.opcode_test):
"""Generic test case for testing IJMP opcode.
The derived class must provide the reg member and the fail method.
IJMP - Relative Jump [PC <- Z(15:0)]
opcode is '1001 0100 0000 1001'
"""
def setup(self):
self.setup_regs[Reg.PC] = 0xff * 2
# Load the Z register (reg 31:30) with PC to jump to
self.setup_regs[Reg.R31] = (self.k >> 8) & 0xff
self.setup_regs[Reg.R30] = (self.k & 0xff)
return 0x9409
def analyze_results(self):
self.is_pc_checked = 1
expect = self.k
got = self.anal_regs[Reg.PC] / 2
if expect != got:
self.fail('IJMP failed: expect=%x, got=%x' % (expect, got))
#
# Template code for test case.
# The fail method will raise a test specific exception.
#
template = """
class IJMP_%06x_TestFail(IJMP_TestFail): pass
class test_IJMP_%06x(base_IJMP):
k = 0x%x
def fail(self,s):
raise IJMP_%06x_TestFail, s
"""
#
# automagically generate the test_IJMP_* class definitions
#
code = ''
for k in (0x36, 0x100, 0x3ff):
code += template % (k, k, k, k)
exec code
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