Question

Explain with suitable flow chart working of single pass assembler

Answer 1

:

•An instruction

•An assembler directive (or pseudo-op)

•A comment

Whitespace (between symbols) and case are ignored. Comments (beginning with “;”) are also ignored

          

Assembler Design can be done in:

–Single pass                                       –Two pass

 

•Single Pass Assembler:

–Does everything in single pass

–Cannot resolve the forward referencing

   The ability to compile in a single pass is often seen as a benefit because