operating system – assembly – using java eclipse. review and correct coding on specific requirements (everything is there, it's only a sketch) by saudiano

I need you to review my work and correct any missing or mistakes in following the requirements to expand the system’s capabilities so that it can run more than one program “at the same time” – i.e. by context switching between programs… (Budget: $10 – $30 USD, Jobs: Assembly, Java)