Version 0.15 Released!

The latest version of Macifom features the following major fixes and improvements:

• Support for games using the MMC3 mapper on TxROM boards (such as the indie hit Blade Buster, pictured above)
  
• Support for games designed for SUROM boards
  
• Further improvements to the APU and PPU timing for compatibility and hardware equivalency
  
• Improvements to the functionality and stability of the debugger. Audio playback now works properly when debugging and APU and PPU are synchronized when stepping through execution.

About Macifom

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.

I am working to extend Macifom´s emulation and debugging capabilities with the following:

Support for additional mapper chips and cartridge boards

Interfaces for viewing and modifying live program and graphics memory

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