What does Huck find out about his father Chapter 43?

In Chapter 43, Jim tells Huck that he found Pap dead on the old house on the river.

"Doan' you 'member de house dat was float'n down de river, en dey wuz a man in dah, kivered up, en I went in en unkivered him and didn' let you come in? Well, den, you kin git yo' money when you wants it, kase dat wuz him."