Emulators like WinUAE, FS-UAE, and Amiberry require the exact Kickstart 3.1 or 3.0 ROM file to mirror true A1200 hardware behavior.
The most accurate, feature-rich Amiga emulator in existence. It allows you to replicate an Amiga 1200 down to the exact drive noise and processor cycles. It perfectly handles heavy WHDLoad packs and custom hard drive directories. Amiberry (Raspberry Pi & Linux) amiga 1200 roms pack
Source: Batocera Wiki