mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-27 10:38:46 -04:00
Matthew Stanley
41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
"""Check mem[0x8009B3A0+0xE6] on both backends."""
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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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# Read 0x8009B486 (= struct base + 0xE6) halfword
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# But read as word at 0x8009B484 to be safe
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for port, name in [(4470, 'runtime'), (4371, 'duckstation')]:
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r = call(port, 'read_ram', addr='0x8009B400', len=0x100)
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if r.get('ok'):
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b = bytes.fromhex(r['hex'])
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# +0xE6 from struct base (0x8009B3A0) = byte at offset 0xE6
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# We're reading from 0x8009B400 = struct base + 0x60
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# So mem[+0xE6] = byte at offset (0xE6 - 0x60) = 0x86 in this buffer
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off_in_buf = 0xE6 - 0x60
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v = (b[off_in_buf+1] << 8) | b[off_in_buf] # halfword LE
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print(f"{name:>12} mem[0x8009B486] (struct+0xE6, halfword) = 0x{v:04X}")
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# also +0x46
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off2 = 0x46 - 0x60
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if off2 < 0:
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# need a different read
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r2 = call(port, 'read_ram', addr='0x8009B3E6', len=1)
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v46 = int(r2['hex'], 16)
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print(f"{name:>12} mem[0x8009B3E6] (struct+0x46, byte) = 0x{v46:02X}")
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else:
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print(f"{name:>12} mem[+0x46] (byte) = 0x{b[off2]:02X}")
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# Also dump 0x60..0x100 of buffer
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print(f"{name:>12} struct[+0x60..+0xFF]:")
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for i in range(0, len(b), 16):
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line = ' '.join(f'{x:02x}' for x in b[i:i+16])
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print(f" +0x{0x60+i:03X}: {line}")
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print()
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