mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 10:19:47 -04:00
Matthew Stanley
33 lines
1.4 KiB
Python
33 lines
1.4 KiB
Python
import socket, json
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def call(port, cmd, **kw):
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s = socket.create_connection(('127.0.0.1', port), timeout=5)
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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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for port, name in [(4470, 'runtime'), (4371, 'duck')]:
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r = call(port, 'read_ram', addr='0x80090C90', len=16)
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if r.get('ok'):
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b = bytes.fromhex(r['hex'])
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c94 = int.from_bytes(b[4:8], 'little')
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c98 = int.from_bytes(b[8:12], 'little')
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c9e = b[14]
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print(f"{name:>8}: mem[0x80090C9E] byte = 0x{c9e:02X} ({c9e}) -> gate: {'work+ChangeTh' if c9e >= 2 else 'ChangeTh only'}")
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print(f"{name:>8}: mem[0x80090C94] ptr = 0x{c94:08X}")
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print(f"{name:>8}: mem[0x80090C98] ptr = 0x{c98:08X}")
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print()
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# Also follow the indirect: mem[mem[0x80090C94]+0x3C]
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print("Indirect dispatch target mem[mem[0x80090C94]+0x3C]:")
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for port, name in [(4470, 'runtime'), (4371, 'duck')]:
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r1 = call(port, 'read_ram', addr='0x80090C94', len=4)
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c94 = int.from_bytes(bytes.fromhex(r1['hex']), 'little')
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r2 = call(port, 'read_ram', addr=f'0x{c94+0x3C:08X}', len=4)
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fn = int.from_bytes(bytes.fromhex(r2['hex']), 'little')
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print(f" {name:>8}: mem[0x{c94:08X}+0x3C] = 0x{fn:08X} (function called at 0x8005EBA4)")
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