Answer:
No, AAVE is not as intrinsically rule based as general American English, as it has many idioms and expressions that are not strictly based on grammar, but on custom.
The African American Vernacular English (AAVE) is a variety of English common to the African American population in the United States. Compared to the standard language, it is characterized primarily by deviations in grammar and pronunciation.
The ancestors of most African Americans were Africans who were brought to plantations in the southern United States by slave traders. Accordingly, Afro-American English has developed into a continuum between its own sociolectal variants of Southern English and its own language with roots in a Creole from English and, above all, Wolof, attested in the 18th century. In order to be recognized as a language of its own, however, there has been a lack of political and social factors that would make it an expanded language.
Compared to standard English, verbs are mostly not conjugated, and the pronunciation is very different from the English of most Americans of European descent.