Nesbit

Mac · iPhone

Freedom report

One barScore 5.4

Nesbit is ranked #15 of 26 in NES emulators on Freedom251. It runs on iOS, macOS.

Compared on NES emulators

Product: Nesbit is a toy NES emulator and debugger built from scratch in Swift.
Open source: Nesbit is open source under the MIT License.
Game support: It supports NES games using mappers 0 or 1; its debugger supports mapper 0.
Controls: It supports an on-screen virtual controller on iOS and iPadOS, plus hardware keyboards and gamepads on all platforms.
Playback: It plays sounds from all four synthesized channels and automatically restores each game's last state.
Performance: The site reports 60 FPS on M1 Macs and newer and iPhone 14 Pro and newer.
Debugger: The debugger displays CPU status and disassembly, and provides breakpoint, memory watch, call stack, and subroutine sidebar tabs.
Source files: The debugger can load labels and subroutine names from .dbg files generated by the ca65 assembler.
Limitations: Nesbit emulates one controller, does not play sampled audio, and does not implement some illegal CPU instructions.
Downloads: The site links to a TestFlight build for iOS and iPadOS and a direct macOS download.
Beta availability: The linked TestFlight page says the beta is not accepting new testers.
Maker: The site identifies its maker as Jason and says he has over 13 years of experience writing software for Apple platforms.

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