How to get the machine code from Mars simulator

Question

I have written a MIPS assembly program with Mars simulator and I want to save every instruction address and machine code in a file, I know that Mars simulator does this work in "Execute" section, How can I get a copy of these in a file? And if it is not possible, are there any websites that do the same thing and provide machine code?

I mean I want to have a copy of the following part:

Answer 1

It's quite simple.
First Assemble your code, then click the button dump the machine code or data in available format. Or just simply press Ctrl+D to save the dump file.

then you can chose Text/Data Segment Window

Store the file, then you exactly what you want.