Home Page


6502 Registers

The 6502 consists of the following registers:

Register Name Width
A Accumulator Register 8 bits wide
X Index Register 8 bits wide
Y Index Register 8 bits wide
P Status Register 8 bits wide
S Stack Pointer Register 16 bits wide
PC Program Counter Register 16 bits wide

Source: Programming the 65816 Including the 6502, 65C02, and 65802. David Eyes and Ron Lichty.


Next: 6502 Addressing Modes