The asked question is: what is a moral code i prefer the term ethics over the term morals that said, an ethical code is the principle or set of principles by which one reasons and discerns ethical behavior (or, right things that one should do) from unethical (or, wrong things that one should not do. But there is an objection that the moral code or ethics might not be “valid” (“why on earth should we think that the moral code that was selected by evolution is in any valid”) in what way is a moral code “(in)valid” a working moral code (or ethics) is the product of evolution — of social systems.
There are so many factors that affect what a person or group of persons might consider immoral personal and cultural philosophies is another factor that shapes one's moral code if there is a universal moral code it looks like a huge venn diagram which means it is not at all universal.
Personhood: one failing of almost all moral codes is their lack of definition of when human personhood begins there is a consensus that an ovum and sperm do not constitute a human person everyone agrees that a newborn baby is a human person.
Morality can be a body of standards or principles derived from a code of conduct from a particular philosophy, religion or culture, or it can derive from a standard that a person believes should be universal. A moral code is that by which all decent people live by, it is that which is acceptable to society it can also a principle of wrong or conforming to standards of behaviour and character based on.
Moral codes in any activity in which people interact, moral codes are developed this is true of any group of any size – a family, a team, a company, a nation, a race what is a moral code it is a series of agreements to which a person has subscribed to guarantee the survival of a group.
There should be one moral code of conduct for everyone, young or old, religious or not.
My moral code is based on advaita vedanta understanding that there isn't anything or anyone separate from me is the basis of morality for me by hurting others, i would hurt myself and by helping others, i would help myself swami vivekananda said: one idea stands out as the centre of all ethical.