About This File
HalfNES is an open-source emulator for the Nintendo Entertainment System, written in Java. Currently, it is available as a standalone Java SE application.
Current Features:
- Joystick support through both Direct Input and xInput (thanks Zlika)
- Supports Mapper 0, 1, 2, 3, 4, 5, 7, 9, 10, 11, 15, 19, 21, 22, 23, 24, 25, 26, 33, 34, 38, 41, 48, 58, 60, 61, 62, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 76, 78, 79, 86, 87, 88, 89, 92, 93, 94, 97, 107, 112, 113, 118, 119, 140, 152, 154, 180, 182, 185, 200, 201, 203, 206, 212, 213, 214, 225, 226, 229, 231, 240, 241, 242, 244, 246, 255
- SRAM save support (no save states however)
- Game Genie and Action Replay cheat code support
- Accurate sound core
- Fast video code with NTSC filter (filter is still slow)
- Full screen support
- Cross-platform portable
- Added options dialog for remapping of keys
What's New in Version 057 See changelog
Released
- -PPU is now pixel accurate. Meaning that many glitchy games are now completely
- fixed. However it also means that performance is worse.
- -MMC3 and MMC5 scanline counters have been rewritten to be more accurate.
- Fixed games:
- -Marble Madness
- -Laser Invasion
- -Mickey's Adventures in Letterland
- -Rad Racer
- -Slalom
- -Tiny Toon Adventures (the status bar was off by one scan line before)
- -Mega Man 3 (displays same glitchy lines as real hardware)
- -Every Namco 163 game (scanline counter was broken)
- Also passes several more of blargg's PPU and MMC3 tests.
- I haven't fixed all of the MMC3 based multicart mappers yet.