FakeNES v0.3.0

posted in Emulator News by mooglyguy on Oct 9th, 2003

FakeNES, a NES emulator for many operating systems including Windows, Linux, FreeBSD, and MacOS X, has been updated to version 0.3.0. Here's what's new:

Miscellaneous changes
- Infamous ROM load memory protection crash bug fix.
- Overhauled CPU emulation core.
- Added x86 assembly optimized CPU core components.
- Fixed branch wrap detection bug.
- Added CRC calculation for PRG ROM, CHR ROM, and ROM trainers.
- Added support for CPU memory space patching (raw or Game Genie w/ GUI).
- Added slow (half FPS) mode.
- Corrected mirroring of uneven size ROMs.
- Added save state support (may not work for all supported games).
- Added automatic machine state saving accurate up to every frame.
- Added support for replays (currently buggy).
- Altered memory map for performance.
- Added exit confirmation when ROM loaded.
- Significant improvements to the timing system.
Configuration changes
- Added configurable save state and Save RAM (SRAM) output path.
- Configuration file and log file are now stored with the executable.
- Changed Win32 configuration file to 'fakenesw.cfg'
- Fixed several input configuration bugs.
Build system & code changes
- Updated and added copyright messages.
- USE_CONSOLE changed to ALLEGRO_USE_CONSOLE to solve compilation problems (Mac OS X).
- Encapsulated datafile 'fakenes.dat' into build.
- Replaced all references to `NULL' with `NIL' to avoid compiler conflicts.
- Added object file suffixes to the build system (all platforms). Changed binary installation location from '/usr/bin' to /'usr/local/bin' (POSIX)
- Allegro compatibility fixes.
- Cleaned-up, overhauled, and optimized most GUI-related code.
- Added code to prevent registering conflicting digital directions in input.
- Added ability to use `usleep' instead of `yield_timeslice' in speed throttling.
GUI changes
- Repaired all key mappings.
- Various GUI dialog enhancements and fixes.
- Added GUI patch manager with Game Genie support only.
- Added platform-specific video driver selection menus.
- Added multiple message system and input chat capabilities.
- Added input configuration dialog.
- Fixed various bugs related to repeated initialization of the GUI.
- Added GUI messages (log file) viewer.
- Added GUI toggle for the 'swap_channels' configuration file setting.
- Added GUI audio mixing speed selection menu.
- Added fast (passive) automatic blitter selection.
- Fixed default palette not being selected at startup.
- Improved operation of Video > Palette menu items.
Video output changes
- Added 15- and 16-bit color depth support.
- Added 25% and 50% scanlines (currently very slow).
- Added several new resolutions, including 512x480 (for windowed mode).
- Added Super 2xSOE and Super 2xSCL anti-aliasing blitters.
- Added simple interpolated blitter.
- Fixed behavior of the 'last_blit_line' configuration file setting.
- Added keys to adjust light (palette intensity) from inside the emulation.
PPU rendering changes
- Minor optimizations to background rendering.
Memory mapper support changes
- Cleaned up and extended IRQ interface.
- Improved IRQ support in MMC3, MMC5, and Bandai mappers.
- Fixed MMC5 IRQ generation (greatly improves many games).
- Added MMC5 WRAM automatic size detection.
- Minor corrections of MMC3 behavior when no CHR-ROM is present.
Audio rendering & output changes
- Changed default sampling rate to 96 kHz and buffer length to 6

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