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__nodev signature fix

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This commit is contained in:
Neil Webber 2024-04-01 07:42:21 -05:00
parent 3afe220ac1
commit 3a7d68bad1
1 changed files with 2 additions and 1 deletions
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3
mmio.py
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@ -157,13 +157,14 @@ class MMIO:
self.device_resets = set()
# the default entry for unoccupied I/O: cause an AddressError trap
def __nodev(self, addr, value=None, /):
def __nodev(self, addr, value=None, /, *, opsize=2):
self.cpu.logger.info(f"Access to non-existent I/O {oct(addr)}")
raise PDPTraps.AddressError(
cpuerr=self.cpu.CPUERR_BITS.UNIBUS_TIMEOUT)
# Devices may have simple "dummy" I/O addresses that always read zero
# and ignore writes; See "if iofunc is None" in register() method.
# NOTE: register() byteme-wraps this so opsize not needed.
def __ignoredev(self, addr, value=None, /):
self.cpu.logger.debug(f"dummy zero device @ {oct(addr)}, {value=}")
return 0