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22 lines
652 B
Python
22 lines
652 B
Python
from generic.base_memory import MemoryBase, ROMBase, RAMBase
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class ROM(ROMBase):
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pass
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class RAM(RAMBase):
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pass
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class Memory(MemoryBase):
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def read_word_bug(self, cycle, address):
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if address % 0x100 == 0xFF:
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return self.read_byte(cycle, address) + (self.read_byte(cycle + 1, address & 0xFF00) << 8)
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else:
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return self.read_word(cycle, address)
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def write_byte(self, cycle, address, value):
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if address < self.cfg.RAM_SIZE:
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self.ram.write_byte(address, value)
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if 0x400 <= address < 0x800 or 0x2000 <= address < 0x5FFF:
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self.bus_write(cycle, address, value)
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