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Chapter 5 Using Assembler
Command Options 79
Functional Description
This option enables optimization of instructions by the assembler and linker. For the instructions
subject to optimization, see Chapter 4 "Optimization Functions."
Rules of Use
To specify the option, enter the hyphen (-) followed by the upper case letter 'O'.
as103 -O sample.asm
Default Specification
The default is to suppress optimization.
It is also possible to change the optimization default with an entry in the assembler's start-up file. See
Chapter 1 "Getting Started" Section 1.5 "Setup."
Functional Description
This option disables optimization of instructions by the assembler and linker. For the instructions
subject to optimization, see Chapter 4 "Optimization Functions."
This option overrides any opt on directives included in the source files. For further details on the opt on
directive, see Chapter 9 "Writing Machine Language Instructions and Directives" Section 9.4 "Writing
Directives" Section 9.4 "opt."
Rules of Use
To specify the option, enter the hyphen (-) followed by the upper case letter 'O' and the lower case letter
'd'. The two letters together function as a single option.
as103 -Od sample.asm
Default Specification
The default is to suppress optimization.
It is also possible to change the optimization default with an entry in the assembler's start-up file. See
Chapter 1 "Getting Started" Section 1.5 "Setup."
O Turn on optimization
Od Turn off optimization