Macifom v0.16 is released. Macifom is a highly-accurate NES emulator and debugger written in Objective-C that leverages the latest Mac OS X APIs to provide excellent performance and usability. The purpose of this project to facilitate new NES development on the Mac OS X platform while leveraging OS X technologies such as AppKit, OpenCL, CoreAudio, OpenGL and more!

The latest version of Macifom features:
* Cycle-exact CPU (2A03) emulation for valid opcodes
* Scanline-accurate PPU (2C02) emulation
* Excellent sound reproduction care of Blargg's Nes_snd_emu library
* Windowed and full-screen display modes
* Support USB Gamepad and Joystick controls
* Supports games designed for NROM, UxROM, CNROM, AxROM, SNROM, SUROM and TxROM boards.
* Automatic saving of cartridge SRAM to disk
* A debugger featuring breakpoints, live disassembly of program code, reading and writing of memory locations, register display and step-through execution.

Macifom v0.16 Changelog:
The latest version of Macifom features the following major fixes and improvements:
- Support for software using the VRC1, VRC2a, VRC2b and iNES #184 mappers.
- Improved support for USB gamepads and joysticks.
- Removed all remaining Carbon and other deprecated code. This version adds support for Mac OS X 10.7 Lion and drops support for Mac OS X 10.5 Leopard.
- Macifom can now be launched by double-clicking an iNES-format file.

Download: Macifom v0.16
Source: Here