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Questions - stack-pointer

Why the stack pointer is special in the register file?

I have a question about the register file. As I know, the stack pointer is one of the special registers in the register file. Why it is determined specifically? I mean compiler can define any register...
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Ömer GÜZEL

cpu-architecture

cpu-registers

stack-pointer

Votes: 0

Answers: 0

8051 Assembly Language - Stack pointer initialization

Considering the 8051 micro controller RAM organization, I would like to set my stack pointer to address 30h. I would like to know if I have to do it only once in the beginning of my program, or is it ...
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OcR19

assembly

8051

stack-pointer

Votes: 0

Answers: 1

Latest Answer

Please consult any decent book on 8051, and you will find: The SFR SP needs to be set only once in the initializing part, and only if you are not happy with its initial value. xCALL and RET increment...
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the busybee

Current state of Stack Pointer in 8085

In Intel 8085 microprocessor, is there any way or instruction exist for find out, to where Stack Pointer currently points to?.
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Mannar Amuthan

assembly

compiler-construction

stack-pointer

8085

Votes: 0

Answers: 0

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