anyone familiarize UV2 project should know there must be one *.Opt file for each project. who can tell me what's the function of this file? I guess Opt indicate "options", is it right? if it's right, then what kind of options? compile and link options?
"You can lose the .opt file and still have all your Peoject settings." One "Project" setting that's in the .opt file and not the .uv2 is the Crystal Frequency. Note that this is used for information only, to allow the simulator to convert clock cycles to "real" times.