mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 10:19:47 -04:00
Matthew Stanley
42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
"""Are the missing-init fields STATICALLY missing on runtime, or do they cycle?
|
|
Sample several offsets over 2 sec on both backends."""
|
|
import socket, json, time
|
|
|
|
def call(port, cmd, **kw):
|
|
s = socket.create_connection(('127.0.0.1', port), timeout=5)
|
|
s.sendall((json.dumps({'id':1,'cmd':cmd, **kw})+'\n').encode())
|
|
buf = b''
|
|
while not buf.endswith(b'\n'):
|
|
c = s.recv(65536)
|
|
if not c: break
|
|
buf += c
|
|
s.close()
|
|
return json.loads(buf.decode())
|
|
|
|
def read_word(port, addr):
|
|
r = call(port, 'read_ram', addr=f'0x{addr:08X}', len=4)
|
|
return int.from_bytes(bytes.fromhex(r['hex']), 'little') if r.get('ok') else None
|
|
|
|
# Critical offsets where runtime is suspected wrong
|
|
fields = [
|
|
(0x8009B3A0, "+0x00 first pointer"),
|
|
(0x8009B3A4, "+0x04 second pointer"),
|
|
(0x8009B3A8, "+0x08 third pointer"),
|
|
(0x8009B3B4, "+0x14 fn ptr 1"),
|
|
(0x8009B3B8, "+0x18 fn ptr 2"),
|
|
(0x8009B3C0, "+0x20 pointer"),
|
|
]
|
|
|
|
print(f"{'addr':>14} {'runtime':>40} {'duckstation':>40}")
|
|
print(f"{'':14} {'(5 samples)':>40} {'(5 samples)':>40}")
|
|
for addr, label in fields:
|
|
rt_vals = [read_word(4470, addr) for _ in range(5)]
|
|
du_vals = [read_word(4371, addr) for _ in range(5)]
|
|
rt_str = ','.join(f'{v:08X}' for v in rt_vals)
|
|
du_str = ','.join(f'{v:08X}' for v in du_vals)
|
|
rt_static = len(set(rt_vals)) == 1
|
|
du_static = len(set(du_vals)) == 1
|
|
print(f" 0x{addr:08X} RT[{'static' if rt_static else 'cyclic'}]: {rt_str}")
|
|
print(f" {'':10} DU[{'static' if du_static else 'cyclic'}]: {du_str} ({label})")
|
|
print()
|