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###############################################################################
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# simulavr - A simulator for the Atmel AVR family of microcontrollers.
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# Copyright (C) 2001, 2002 Theodore A. Roth
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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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# 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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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###############################################################################
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# $Id: test_BRBS.py,v 1.2 2002/02/20 21:28:31 troth Exp $
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"""Test the BRBS opcode.
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The following opcodes are pseudonyms for BRBS:
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BREQ, BRCS, BRLO, BRMI, BRLT, BRHS, BRTS, BRVS, BRIE
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from registers import Reg
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class BRBS_TestFail(base_test.TestFail): pass
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class base_BRBS(base_test.opcode_test):
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"""Generic test case for testing BRBS opcode.
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Branch if sreg bit set.
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opcode is '1111 00kk kkkk ksss' where k is pc offset and s is sreg bit.
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No registers except for PC should have changed.
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# FIXME: Offsets can wrap around ends of flash. Need to mask expect value
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# with size of flash. Once done, need to test it.
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# set the sreg bit we are interrested in
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self.setup_regs[Reg.SREG] = self.val << self.bit
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return 0xF000 | self.bit | ((self.k&0x7f)<<3)
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def analyze_results(self):
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self.is_pc_checked = 1
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expect = self.setup_regs[Reg.PC] + 2
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expect += (self.k * 2)
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got = self.anal_regs[Reg.PC]
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self.fail('PC not incremented: expect=%x, got=%x' % (expect, got))
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# Template code for test case.
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# The fail method will raise a test specific exception.
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class BRBS_bit%d_is_%d_TestFail(BRBS_TestFail): pass
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class test_BRBS_bit%d_is_%d(base_BRBS):
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raise BRBS_bit%d_is_%d_TestFail, s
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# automagically generate the test_BRBS_bitN_is_[01] class definitions
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code += template % (b,v,b,v,b,v,b,v)