mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 02:56:36 -04:00
Matthew Stanley
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
"""Reset DuckStation, arm mem_break on 0x8009B3A0, let it boot, capture the
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PC that writes there. That's the init function we need to check on runtime."""
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import socket, json, time
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def call(cmd, **kw):
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s = socket.create_connection(('127.0.0.1', 4371), timeout=10)
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s.sendall((json.dumps({'id':1,'cmd':cmd, **kw})+'\n').encode())
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buf = b''
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while not buf.endswith(b'\n'):
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c = s.recv(65536)
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if not c: break
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buf += c
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s.close()
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return json.loads(buf.decode())
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print("--- Reset DuckStation ---")
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print(call('system_reset'))
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# Wait for it to come back up
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time.sleep(2)
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print("ping:", call('ping'))
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# Verify it really reset
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print("mem[0x8009B3A0] after reset:", call('read_ram', addr='0x8009B3A0', len=4))
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# Arm mem_break on the struct head
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print()
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print("--- Arm mem_break ---")
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print("mem_hit_clear:", call('mem_hit_clear'))
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print("mem_break: ", call('mem_break', addr='0x8009B3A0'))
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# Poll for the write — write happens early in boot
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print()
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print("--- Polling for write (60 sec max) ---")
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end = time.time() + 60
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caught = []
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while time.time() < end:
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h = call('mem_hit_last')
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if h.get('valid'):
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key = (h.get('pc'), h.get('ra'), h.get('mem_addr'))
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if key not in caught:
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caught.append(key)
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p = call('ping')
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v = call('read_ram', addr='0x8009B3A0', len=4)
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print(f" fr={p.get('frame','?')} pc={h.get('pc')} ra={h.get('ra')} mem_addr={h.get('mem_addr')} val_now={v.get('hex')}")
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call('mem_hit_clear')
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# Also peek at value periodically
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time.sleep(0.05)
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if not caught:
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print(" No writes caught in 60 sec. Value now:", call('read_ram', addr='0x8009B3A0', len=4))
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print()
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print(f"Total distinct writes: {len(caught)}")
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