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feat(cpu): add read mem listeners

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This commit is contained in:
shokre 2021-09-21 21:33:35 +02:00
parent 0e41b615c5
commit 63c03e55fa
1 changed files with 6 additions and 0 deletions
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6
orao/cpu.py
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@ -6,6 +6,7 @@ class CPU(object):
CARRY, ZERO, INTERRUPT, DECIMAL, BREAK, UNUSED, OVERFLOW, NEGATIVE = [2**i for i in range(8)] CARRY, ZERO, INTERRUPT, DECIMAL, BREAK, UNUSED, OVERFLOW, NEGATIVE = [2**i for i in range(8)]
alphaarray = None alphaarray = None
store_mem_listeners = [] store_mem_listeners = []
read_mem_listeners = []
def __init__(self, memory): def __init__(self, memory):
s, self.tape_out, self.filename, self.samples = self, None, None, 0 s, self.tape_out, self.filename, self.samples = self, None, None, 0
@ -91,6 +92,11 @@ class CPU(object):
return 0x00 return 0x00
if addr == 0x8800: self.speaker() # Zvucnik if addr == 0x8800: self.speaker() # Zvucnik
if addr is not None:
for listener in self.read_mem_listeners:
listener(addr, 0, self)
return self.memory[addr] if addr is not None else self.a return self.memory[addr] if addr is not None else self.a
def store_byte(self, addr, val): def store_byte(self, addr, val):