The 2 registers of JTAG (JTAG), from 0xBF801000, with their reset value and every field. The PIC32MK1024GPE100 has 1566 registers in 111 peripherals, one page each.
Most PIC32 SFRs have three more registers right after them: CLR at +4, SET at +8 and INV at +C (T1CONCLR, T1CONSET, T1CONINV), which clear, set or flip just the bits written as 1, in one write.