doubt in Assembly language programming

sushant005

sushant005

@sushant005-tyt4WK • Oct 21, 2024
Can anyone help me!

I have some doubt in ASSEMBLY LANGUAGE PROGRAMMING.

Source program

JOHN START 0
USING *,15
L 1,FIVE
A 1,FOUR
ST 1,TEMP
FOUR DC F'4'
FIVE DC F'5'
TEMP DS 1F
END

This is simple assembly language program and i want to know the meaning of each lines.

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  • MaRo

    MaRo

    @maro-Ce3knx • Apr 7, 2010

    Can't recognize these assembly instructions not x86 architecture instructions, please provide your OS, processor family & how did you get this code.

    EDIT: with little binging get to know it's <a href="https://en.wikipedia.org/wiki/IBM_System/370" target="_blank" rel="nofollow noopener noreferrer">Ibm System/370</a> architecture instruction set which is
    obsolete & I doubt you've access to one.

    This gets me to the assumption that you're on Windows with x86 family processor, So, use #-Link-Snipped-#, which uses <a href="https://en.wikipedia.org/wiki/X86_instruction_listings" target="_blank" rel="nofollow noopener noreferrer">X86 Instruction Listings</a>.
  • sushant005

    sushant005

    @sushant005-tyt4WK • Apr 9, 2010

    MaRo
    Can't recognize these assembly instructions not x86 architecture instructions, please provide your OS, processor family & how did you get this code.

    EDIT: with little binging get to know it's <a href="https://en.wikipedia.org/wiki/IBM_System/370" target="_blank" rel="nofollow noopener noreferrer">Ibm System/370</a> architecture instruction set which is
    obsolete & I doubt you've access to one.

    This gets me to the assumption that you're on Windows with x86 family processor, So, use #-Link-Snipped-#, which uses <a href="https://en.wikipedia.org/wiki/X86_instruction_listings" target="_blank" rel="nofollow noopener noreferrer">X86 Instruction Listings</a>.
    oh! yes you are right its not the x86 instruction set.
    Its in our course to study the IBM 360/370 instruction set that's why i want to know the meaning of these codes.
    Can you please ellobrate these codes.
  • HImanshu_Sharma

    HImanshu_Sharma

    @himanshu-sharma-HOM7Hg • Apr 9, 2010

    these instructions are not of 8085,8086,8051 ,,,,so can't help
  • MaRo

    MaRo

    @maro-Ce3knx • Apr 12, 2010

    Sorry, can't help, don't learn what I can't try.

    but this may help <a href="https://www.bing.com/search?q=ibm+370+assembly&go=&form=QBLH&filt=all" target="_blank" rel="nofollow noopener noreferrer">ibm 370 assembly - Search</a>
  • sushant005

    sushant005

    @sushant005-tyt4WK • Apr 13, 2010

    Thank you MARO.
    That link helped me alot to understand assemly language programming.