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https://github.com/mnaberez/py65.git
synced 2024-06-01 18:41:32 +00:00
Fix --rom, add tests for argv. Closes #41
This commit is contained in:
Mike Naberezny
parent
88ae860720
commit
6e21008b89
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@ -42,21 +42,39 @@ class Monitor(cmd.Cmd):
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Microprocessors = {'6502': NMOS6502, '65C02': CMOS65C02,
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'65Org16': V65Org16}
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def __init__(self, mpu_type=NMOS6502, completekey='tab', stdin=None,
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stdout=None, argv=None, memory=None, putc_addr=0xF001, getc_addr=0xF004):
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def __init__(self, argv=None, stdin=None, stdout=None,
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mpu_type=NMOS6502, memory=None,
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putc_addr=0xF001, getc_addr=0xF004):
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self.mpu_type = mpu_type
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self.memory = memory
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self.putc_addr = putc_addr
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self.getc_addr = getc_addr
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if argv is None:
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argv = sys.argv
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self._breakpoints = []
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self._width = 78
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self.prompt = "."
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self._add_shortcuts()
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cmd.Cmd.__init__(self, completekey, stdin, stdout)
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self._parse_args(argv)
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self._reset(self.mpu_type,self.getc_addr,self.putc_addr)
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cmd.Cmd.__init__(self, stdin=stdin, stdout=stdout)
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if argv is None:
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argv = sys.argv
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load, rom, goto = self._parse_args(argv)
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self._reset(self.mpu_type, self.getc_addr, self.putc_addr)
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if load is not None:
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self.do_load(load)
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if goto is not None:
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self.do_goto(goto)
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if rom is not None:
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# load a ROM and run from the reset vector
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self.do_load("%r top" % rom)
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physMask = self._mpu.memory.physMask
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reset = self._mpu.RESET & physMask
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dest = self._mpu.memory[reset] + \
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(self._mpu.memory[reset + 1] << self.byteWidth)
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self.do_goto("$%x" % dest)
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def _parse_args(self, argv):
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try:
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@ -68,10 +86,7 @@ class Monitor(cmd.Cmd):
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self._usage()
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self._exit(1)
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load = None
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rom = None
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goto = None
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mpu = None
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load, rom, goto = None, None, None
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for opt, value in options:
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if opt in ('-i', '--input'):
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@ -80,6 +95,19 @@ class Monitor(cmd.Cmd):
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if opt in ('-o', '--output'):
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self.putc_addr = int(value, 16)
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if opt in ('-m', '--mpu'):
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mpu_type = self._get_mpu(value)
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if mpu_type is None:
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mpus = sorted(self.Microprocessors.keys())
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msg = "Fatal: no such MPU. Available MPUs: %s"
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self._output(msg % ', '.join(mpus))
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sys.exit(1)
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self.mpu_type = mpu_type
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if opt in ("-h", "--help"):
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self._usage()
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self._exit(0)
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if opt in ('-l', '--load'):
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load = value
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@ -89,42 +117,7 @@ class Monitor(cmd.Cmd):
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if opt in ('-g', '--goto'):
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goto = value
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if opt in ('-m', '--mpu'):
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mpu = value
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elif opt in ("-h", "--help"):
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self._usage()
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self._exit(0)
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if (mpu is not None) or (rom is not None):
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if mpu is None:
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mpu = "6502"
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if self._get_mpu(mpu) is None:
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mpus = list(self.Microprocessors.keys())
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mpus.sort()
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msg = "Fatal: no such MPU. Available MPUs: %s"
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self._output(msg % ', '.join(mpus))
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sys.exit(1)
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self.mpu_type = self._get_mpu(mpu)
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if load is not None:
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cmd = "load %s" % load
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self.onecmd(cmd)
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if goto is not None:
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cmd = "goto %s" % goto
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self.onecmd(cmd)
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if rom is not None:
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# load a ROM and run from the reset vector
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cmd = "load '%s' top" % rom
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self.onecmd(cmd)
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physMask = self._mpu.memory.physMask
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reset = self._mpu.RESET & physMask
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dest = self._mpu.memory[reset] + \
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(self._mpu.memory[reset + 1] << self.byteWidth)
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cmd = "goto %08x" % dest
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self.onecmd(cmd)
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return load, rom, goto
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def _usage(self):
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usage = __doc__ % sys.argv[0]
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@ -148,7 +141,7 @@ class Monitor(cmd.Cmd):
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return result
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def _reset(self, mpu_type,getc_addr=0xF004,putc_addr=0xF001):
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def _reset(self, mpu_type, getc_addr=0xF004, putc_addr=0xF001):
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self._mpu = mpu_type(memory=self.memory)
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self.addrWidth = self._mpu.ADDR_WIDTH
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self.byteWidth = self._mpu.BYTE_WIDTH
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@ -157,7 +150,7 @@ class Monitor(cmd.Cmd):
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self.addrMask = self._mpu.addrMask
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self.byteMask = self._mpu.byteMask
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if getc_addr and putc_addr:
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self._install_mpu_observers(getc_addr,putc_addr)
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self._install_mpu_observers(getc_addr, putc_addr)
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self._address_parser = AddressParser()
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self._disassembler = Disassembler(self._mpu, self._address_parser)
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self._assembler = Assembler(self._mpu, self._address_parser)
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@ -230,7 +223,7 @@ class Monitor(cmd.Cmd):
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break
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return mpu
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def _install_mpu_observers(self,getc_addr,putc_addr):
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def _install_mpu_observers(self, getc_addr, putc_addr):
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def putc(address, value):
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try:
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self.stdout.write(chr(value))
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@ -1156,6 +1156,95 @@ class MonitorTests(unittest.TestCase):
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out = stdout.getvalue()
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self.assertTrue(out.startswith('0008: 00 00 ff 00 00'), "monitor must see pre-initialized memory")
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# command line options
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def test_argv_mpu(self):
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argv = ['py65mon', '--mpu', '65c02']
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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self.assertEqual('65C02', mon._mpu.name)
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def test_argv_mpu_invalid(self):
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argv = ['py65mon', '--mpu', 'bad']
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stdout = StringIO()
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try:
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Monitor(argv=argv, stdout=stdout)
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except SystemExit as exc:
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self.assertEqual(1, exc.code)
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self.assertTrue("Fatal: no such MPU." in stdout.getvalue())
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def test_argv_goto(self):
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argv = ['py65mon', '--goto', 'c000']
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stdout = StringIO()
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memory = bytearray(0x10000)
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memory[0xc000] = 0xea # c000 nop
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memory[0xc001] = 0xea # c001 nop
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memory[0xc002] = 0x00 # c002 brk
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mon = Monitor(argv=argv, stdout=stdout, memory=memory)
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self.assertEqual(0xc002, mon._mpu.pc)
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def test_argv_load(self):
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with tempfile.NamedTemporaryFile('wb+') as f:
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data = bytearray([0xab, 0xcd])
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f.write(data)
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f.flush()
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argv = ['py65mon', '--load', f.name]
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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self.assertEqual(list(data), mon._mpu.memory[:len(data)])
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def test_argv_rom(self):
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with tempfile.NamedTemporaryFile('wb+') as f:
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rom = bytearray(4096)
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rom[0] = 0xea # f000 nop
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rom[1] = 0xea # f001 nop
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rom[2] = 0x00 # f002 brk
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rom[-2] = 0xf000 & 0xff # fffc reset vector low
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rom[-3] = 0xf000 >> 8 # fffd reset vector high
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f.write(rom)
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f.flush()
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argv = ['py65mon', '--rom', f.name]
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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self.assertEqual(list(rom), mon._mpu.memory[-len(rom):])
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self.assertEqual(0xf002, mon._mpu.pc)
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def test_argv_input(self):
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argv = ['py65mon', '--input', 'abcd']
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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read_subscribers = mon._mpu.memory._read_subscribers
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self.assertEqual(1, len(read_subscribers))
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self.assertTrue('getc' in repr(read_subscribers[0xabcd]))
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def test_argv_output(self):
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argv = ['py65mon', '--output', 'dcba']
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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write_subscribers = mon._mpu.memory._write_subscribers
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self.assertEqual(1, len(write_subscribers))
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self.assertTrue('putc' in repr(write_subscribers[0xdcba]))
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def test_argv_combination_rom_mpu(self):
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with tempfile.NamedTemporaryFile('wb+') as f:
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rom = bytearray(4096)
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rom[0] = 0xea # f000 nop
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rom[1] = 0xea # f001 nop
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rom[2] = 0x00 # f002 brk
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rom[-2] = 0xf000 & 0xff # fffc reset vector low
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rom[-3] = 0xf000 >> 8 # fffd reset vector high
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f.write(rom)
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f.flush()
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argv = ['py65mon', '--rom', f.name, '--mpu', '65c02',]
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stdout = StringIO()
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mon = Monitor(argv=argv, stdout=stdout)
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self.assertEqual('65C02', mon._mpu.name)
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self.assertEqual(list(rom), mon._mpu.memory[-len(rom):])
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self.assertEqual(0xf002, mon._mpu.pc)
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def test_suite():
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return unittest.findTestCases(sys.modules[__name__])
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