Description 6502C is based on MOS Technologies 6502, but has an extra line called HALT. It is controlled by Maria which it uses whenever it needs the /jindroush.atari.org/data/address bus. The HALT line must be pulled high for the chip to work. Catalogue numbers CO14806 UM6502I Pinout Back (c) 1998-2004 Jindroush Last modified: Sun Dec 1 22:03:44 2002