what are the side effects of subroutine call? - EAS

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  1. https://www.sciencedirect.com/topics/computer-science/subroutine-call

    When returning from a subroutine call, the JSR is moved into the PCR, then the top value of the stack is popped and transferred to the JSR displaying the next return value. A similar operation could be implemented for external interrupts by causing the PC to load an interrupt register into …

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  2. Chapter 7 Subroutine (副程式) and Function

    https://jupiter.math.nycu.edu.tw/~smchang/fortran/Ch_7.pdf · PDF 檔案

    Example:Illustrating the effects of a type mismatch when calling a subroutine. Program bad_call Implicit none real :: x = 1.0 call bad_argument(x) end program bad_call subroutine

  3. 大家還會問
    What happens when a subroutine is terminated?The subroutine is terminated with a RETURN instruction that causes the program to go back to the original position and continue. This is achieved by pulling the address from the top of the stack and replacing it in the program counter. It should be clear that CALL and RETURN must always be used in sequence in order to avoid a runtime stack error.
    www.sciencedirect.com/topics/engineering/subroutine
    What is a call subroutine?The most common names used are called subroutine, jump to the subroutine, branch to the subroutine, or branch and save the address. A call subroutine instruction consists of an operation code together with an address that specifies the beginning of the subroutine. The instruction is executed by performing two operations are as follows −
    www.tutorialspoint.com/what-are-subroutines
    How do you return a value from a subroutine?A subroutine does not have to return a value, but when it does, it sends back the value with the RETURN instruction. The calling program receives the value in the REXX special variable named RESULT. A function must return a value. When the function is a REXX program , the value is returned with either the RETURN or EXIT instruction.
    www.ibm.com/docs/en/cics-ts/5.4?topic=functions-subro…
    What is the difference between subroutines and functions?Subroutines and functions are routines made up of a sequence of instructions that can receive data, process it, and return a value. The routine is within the current program, marked by a label, and only that program uses the routine. A REXX subroutine that exists as a separate file. In many aspects, subroutines and functions are the same.
    www.ibm.com/docs/en/cics-ts/5.4?topic=functions-subro…
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  5. https://www.sciencedirect.com/topics/engineering/subroutine

    The only coupling between subroutines is by the argument/parameter mechanism • Beware of the output parameters • There are no side-effects of pathological nature • The subroutines can all …

  6. https://www.geeksforgeeks.org/subroutine-subroutine-nesting-and-stack...

    2018/12/11 · 1. Subroutine: A set of instructions that are used repeatedly in a program can be referred to as Subroutine. Only one copy of this Instruction is …

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    • https://cs.lmu.edu/~ray/notes/subroutines
      • What is a Signature?
        A subroutine's signaturespecifies the number, order, names, modes and types of its parameters and return values. Roughly speaking, something like this: Note that: 1. In many languages, the parameters don't have types, nor does the return value. 2. The set of modes differ between lang…
      • Signature Matching
        The point of signatures is to distinguish legal calls from illegal calls. Languages differ wildly inhow they define whether or not a call matchesa signature. 1. Do the parameter names matter? 2. Does the order matter? 3. Do the types matter? Does it even make sense to put type restrictions on p…
      在「cs.lmu.edu」查看更多資訊
    • Subroutine Calls

      https://www.cs.princeton.edu/courses/archive/spr03/cs217/lectures/Call.pdf · PDF 檔案

      Subroutine call and return sequences collaborate to implement these requirements Register Windows • Machine has more than 32 registers Each subroutine gets 16 “new” registers All …

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    • https://www.tutorialspoint.com/what-are-subroutines

      2021/7/24 · Subroutines are programs that are used by other routines to accomplish a particular task. A subroutine can be called from any point within the main body of the micro-program. …

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    • What are Subroutines and Functions? - IBM

      https://www.ibm.com/docs/en/zos/2.2.0?topic=functions-what-are-subroutines

      A subroutine does not have to return a value, but when it does, it sends back the value with the RETURN instruction. RETURN value The calling exec receives the value in the REXX special …

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    • https://www.ibm.com/docs/en/cics-ts/5.4?topic=functions-subroutines

      Subroutines and functions. Subroutines and functions are routines made up of a sequence of instructions that can receive data, process it, and return a value. The routines can be: Internal. …

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    • SUBROUTINE, CALL and RETURN statements - University of …

      www-pnp.physics.ox.ac.uk/~gronbech/intfor/node40.html

      The subroutine UCOPY copies one array into another and on this first call copies the values 1,2..5 into IB. The RETURN statement causes control to pass back to the calling routine with …

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