Instructions
Download and install "NO$Zoomer," the No$GBA addon that gives you additional settings including resizing and repositioning the two DS screens. NO$Zoomer also automatically improves performance compared to running No$GBA alone. You can obtain NO$Zoomer from www.emuparadise.me.
Open the "Options" menu and select "NO$GBA settings."
Select "Unlimited Mhz Disaster, 10%" under "Emulation Speed."
Choose "Digital Mono" and "Low (10kHz)" from the "Sound Output Mode" and "Sound Desired Sample Rate" menus, respectively.
Pick "nocash" from the list of choices under "3D Renderer" and "15bit Color" from the "Video Output" menu.