Changes
MOS 6502
,/* Registers */
|| The status register is modified by arithmetic and logic operations, as well as interrupts
|-
| SP S (Stack Pointer) || 8-bit || Points to the current location in the stack || Stack is located in page 1 ($0100-$01FF), 8-bit S is offset to this base
|-
| PC (Program Counter) || 16-bit || Points to the next instruction to be executed || Automatically increments as instructions are executed