int nextDecrypt(unsigned char)(int arg0) {
    ebx = arg_0 + 0x10;
    edx = *(int8_t *)(ebx + 0x200) & 0xff;
    ecx = *(int8_t *)((arg_4 & 0xff) + ebx + 0x100) & 0xff;
    LOBYTE(ecx) = !LOBYTE(LOBYTE(ecx) ^ LOBYTE(edx));
    if (LOBYTE(edx) != 0xff) {
            *(int8_t *)(ebx + 0x200) = LOBYTE(edx + 0x1);
            eax = LOBYTE(ecx) & 0xff;
            return eax;
    }
    else {
            *(int8_t *)(ebx + 0x200) = 0x1;
            eax = LOBYTE(ecx) & 0xff;
            return eax;
    }
    return eax;
}