65816
An expanded version of the 6502, with which it is compatible. It has 16-bit index registers and stack pointer, a 16-bit direct page register and a 24-bit address bus. Used in later models of the Apple II.
MegaLexica
An expanded version of the 6502, with which it is compatible. It has 16-bit index registers and stack pointer, a 16-bit direct page register and a 24-bit address bus. Used in later models of the Apple II.