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Categories  >>  Software  >>  MainFrame  >>  IBM MainFrame  >>  Assembler
 
 


 

 
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Question
what is need of START 0?. In steed of '0' can we use any
other numerics?. if we use what will happen?.
 Question Submitted By :: Cm.mca07
I also faced this Question!!     Rank Answer Posted By  
 
  Re: what is need of START 0?. In steed of '0' can we use any other numerics?. if we use what will happen?.
Answer
# 1
START is an assembler directive which has an optional
operand, (0 in your example). This operand acts as the
starting address of the program e.g. PROGNAME START X'3E0'
tells the linkage editor that this program is to be loaded
into main storage at address '3E0' in hex. This explanation
answers all your questions.
 
Is This Answer Correct ?    6 Yes 3 No
Alok
 
  Re: what is need of START 0?. In steed of '0' can we use any other numerics?. if we use what will happen?.
Answer
# 2
agreed with the last answer.
MVC is storage to storage and hence giving equated value
there will lead to unpredictable value at run time
 
Is This Answer Correct ?    1 Yes 0 No
Puneet Assembler Beginner
 
 
 
  Re: what is need of START 0?. In steed of '0' can we use any other numerics?. if we use what will happen?.
Answer
# 3
START is an assembler directive. The answer provided by Alok
is almost correct. The only thing difference is that this
directive (START 0) tells the assembler to start the
location counter from that point onwards and its initial
value is set to zero.(in this case). We can provide any
other numeric value as well.
 
Is This Answer Correct ?    4 Yes 0 No
Nitin
 

 
 
 
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