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Flags (P) can now be changed from the "registers" command.

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This commit is contained in:
Mike Naberezny 2009-08-16 18:52:47 -07:00
parent f1c27198b2
commit cb63d94776
3 changed files with 10 additions and 3 deletions
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4
CHANGES.txt
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@ -6,6 +6,10 @@ Next Release
- Fixed that relative branch calculations would not use the correct
start address when assembling in the monitor. Closes #10.
- The processor status register ("p" or "flags") can now be changed
in the monitor using the "registers" command with an argument of
"p", such as "registers p=00".
0.6 (2009-08-11)
- Added monitor shortcut "a" for "assemble".

4
src/py65/monitor.py
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@ -295,13 +295,15 @@ class Monitor(cmd.Cmd):
return self._output("Syntax error: %s" % args)
for register, value in pairs:
if register not in ('pc', 'sp', 'a', 'x', 'y'):
if register not in ('pc', 'sp', 'a', 'x', 'y', 'p'):
self._output("Invalid register: %s" % register)
else:
try:
intval = self._address_parser.number(value) & 0xFFFF
if len(register) == 1:
intval &= 0xFF
if register == 'p':
register = 'flags'
setattr(self._mpu, register, intval)
except KeyError, why:
self._output(why[0])

5
src/py65/tests/test_monitor.py
View File

@ -266,13 +266,14 @@ class MonitorTests(unittest.TestCase):
def test_registers_updates_all_registers(self):
stdout = StringIO()
mon = Monitor(stdout=stdout)
mon.do_registers('a=42,x=43,y=44, sp=45, pc=4600')
mon.do_registers('a=42,x=43,y=44,p=45, sp=46, pc=4600')
out = stdout.getvalue()
self.assertEqual("", out)
self.assertEqual(0x42, mon._mpu.a)
self.assertEqual(0x43, mon._mpu.x)
self.assertEqual(0x44, mon._mpu.y)
self.assertEqual(0x45, mon._mpu.sp)
self.assertEqual(0x45, mon._mpu.flags)
self.assertEqual(0x46, mon._mpu.sp)
self.assertEqual(0x4600, mon._mpu.pc)
def test_help_registers(self):