"""Dump full B0 table at RAM 0x874 and find InitCARD/StartCARD entries."""
import socket, json

def call(d):
    s = socket.create_connection(('127.0.0.1', 4370)); s.settimeout(15.0)
    s.sendall((json.dumps(d) + '\n').encode())
    buf = b''
    while True:
        try: c = s.recv(65536)
        except socket.timeout: break
        if not c: break
        buf += c
        if buf.count(b'{') == buf.count(b'}') and buf.strip(): break
    s.close()
    return json.loads(buf.decode())

def read(addr, n):
    r = call({'id': 1, 'cmd': 'read_ram', 'addr': f'0x{addr:08X}', 'len': n})
    return bytes.fromhex(r.get('hex', ''))

# B0 table
b0 = read(0x80000874, 0x200)
print(f'B0 table @ RAM 0x874 ({len(b0)} bytes):')
for i in range(0, len(b0), 4):
    val = int.from_bytes(b0[i:i+4], 'little')
    note = ''
    if val == 0x00005DA8: note = ' <-- FUN_bfc158a8 (chain init)'
    if val == 0x00004C70: note = ' <-- FUN_bfc14770 (chain enabler [0x74BC]=1)'
    if val == 0x00004CF4: note = ' <-- FUN_bfc147F4'
    if val == 0x00005FB8: note = ' <-- _card_write'
    if val == 0x00005F04: note = ' <-- _card_read'
    if val == 0x00005E50: note = ' <-- _new_card'
    if val == 0x00006524: note = ' <-- ??'
    if val and (val & 0xfff00000) == 0:
        print(f'  B0[0x{i//4:02X}] (off+0x{i:03X}): 0x{val:08X}{note}')

# A0 table
print()
a0 = read(0x80000200, 0x100)
print(f'A0 table @ RAM 0x200 ({len(a0)} bytes):')
for i in range(0, len(a0), 4):
    val = int.from_bytes(a0[i:i+4], 'little')
    if val and (val & 0xfff00000) == 0:
        print(f'  A0[0x{i//4:02X}] (off+0x{i:03X}): 0x{val:08X}')