mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
"""Dump full state-7 entry (0x688 bytes) and scan for handler-pointer slots."""
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import socket, json, struct
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s = socket.create_connection(('127.0.0.1', 4370), timeout=10)
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def send(p):
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s.sendall((json.dumps(p)+'\n').encode())
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buf=b''
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while True:
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c=s.recv(1<<20)
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if not c: break
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buf+=c
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if buf.strip().endswith(b'}'):
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try: return json.loads(buf.decode())
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except: continue
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ENTRY = 0x80110EC8 + 7 * 0x688
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r = send({'id':1,'cmd':'read_ram','addr':f'0x{ENTRY:08X}','len':0x688})
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b = bytes.fromhex(r['hex'])
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# Dump as 4-byte words; flag any value that looks like a handler PC
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# (RAM 0x80030000..0x80042000, or ROM 0xBFC18000..0xBFC42800).
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def looks_like_pc(v):
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return (0x80030000 <= v < 0x80043000) or (0xBFC18000 <= v < 0xBFC43000)
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print(f"State-7 entry @ 0x{ENTRY:08X}, size 0x688 ({len(b)} bytes)\n")
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print(f" HEAD per handoff offsets:")
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print(f" +0x00 = 0x{struct.unpack('<I', b[0x00:0x04])[0]:08X}")
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print(f" +0x04 widget_id = 0x{struct.unpack('<I', b[0x04:0x08])[0]:08X}")
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print(f" +0x1C SQUARE wid = 0x{struct.unpack('<I', b[0x1C:0x20])[0]:08X}")
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print(f" +0x20 CIRCLE wid = 0x{struct.unpack('<I', b[0x20:0x24])[0]:08X}")
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print(f" +0x24 TRIANGLE = 0x{struct.unpack('<I', b[0x24:0x28])[0]:08X}")
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print(f" +0x28 CROSS wid = 0x{struct.unpack('<I', b[0x28:0x2C])[0]:08X}")
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print(f" +0x34 handler PC = 0x{struct.unpack('<I', b[0x34:0x38])[0]:08X}")
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print(f" +0x38 hand. mask = 0x{struct.unpack('<I', b[0x38:0x3C])[0]:08X}")
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print(f"\n ALL handler-PC-looking entries (RAM 0x80030000-0x80043000 or ROM 0xBFC18000-0xBFC43000):")
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for off in range(0, len(b)-3, 4):
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v = struct.unpack("<I", b[off:off+4])[0]
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if looks_like_pc(v):
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# Also show neighbors so we can guess the (handler, mask) pair.
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nxt = struct.unpack("<I", b[off+4:off+8])[0] if off+8 <= len(b) else 0
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print(f" +0x{off:04X} = 0x{v:08X} (next +0x{off+4:04X} = 0x{nxt:08X})")
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s.close()
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