I want to read from three files, each containing let say name and grade for a student
(only using tASM or Emulator)

If you're writing for a DOS-like environment, you'll have to use a few of the interrupt 21h functions. Start there, and if you have trouble, post code and we'll help you improve it.

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.