What Is The Need Of Oi’tab (operation Code Table) In Assembler?

1.	What Is The Need Of Oi’tab (operation Code Table) In Assembler?
Answer» The operation code table contains the mnemonic operation code and its machine LANGUAGE equivalent. Some assemblers it may also contain INFORMATION about INSTRUCTION format and LENGTH. OPTAB is usually organized as a hash table, with mnemonic operation code as the key. The operation code table contains the mnemonic operation code and its machine language equivalent. Some assemblers it may also contain information about instruction format and length. OPTAB is usually organized as a hash table, with mnemonic operation code as the key.

Answer»

The operation code table contains the mnemonic operation code and its machine LANGUAGE equivalent. Some assemblers it may also contain INFORMATION about INSTRUCTION format and LENGTH. OPTAB is usually organized as a hash table, with mnemonic operation code as the key.

The operation code table contains the mnemonic operation code and its machine language equivalent. Some assemblers it may also contain information about instruction format and length. OPTAB is usually organized as a hash table, with mnemonic operation code as the key.

Discussion

No Comment Found

Related InterviewSolutions

What Are The Basic Functions Of Loaders?
What Is The Use Of The Assembler Directive Start?
Give The Use Of Assembler Directive Csect And Use ?
Give The General Format Of Define Record?
What Is The Difference Between The Assembler Directive Extref And Extdef?
Define Control Section?
What Is Meant By Machine Independent Assembler Features?
What Is Meant By External References?
Define Modification Record And Give Its Format?
Differentiate The Assembler Directives Re5w And Resb?