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CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U14581EJ3V0UM00
3.4.9 Stack addressing
[Function]
The stack area is indirectly addressed with the stack pointer (SP) contents.
This addressing method is automatically employed when the PUSH, POP, subroutine call, and RETURN
instructions are executed or the register is saved/reset upon generation of an interrupt request.
Stack addressing enables to address the internal high-speed RAM area only.
[Description example]
In the case of PUSH DE
Operation code
1 0 1 1 0 1 0 1
Содержание mPD780852 Series
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