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.
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