Revision History

Jnes User Manual

Version History

Version 1.1.1 (6/8/2013)

Version 1.1 (2/20/2012)

Version 1.0.2 (2/6/2010)

Version 1.0.1 (9/6/2008)

Version 1.0 (12/25/2007)

Version 0.6 (2/5/2005)

• zapper now changes cursor to crosshair in game
• rom browser part of main window, auto selects last rom, recent dir list
• fixed mutex for video dialog
• major cheats rewrite and database update, support for PAR codes
• automatic region setting (uses GoodRom name convention)
• added some simple mappers: 32,71,79,113
• fixed sleep in background issues introduced in last release
• support for ppu monochrome mode
• input now supports Z,Rx,Ry,Rz axis
• turbo buttons are mappable separately
• slot menu now has the timestamp of the state

Version 0.5.3 (6/5/2004)

• fixed browser with zip files
• netplay now caches rom list, useful if you have thousands of roms
• fixed auto full screen preference saving bug from 0.5.2
• fixed audio graph performance on XP
• fixed NSF playback timing
• palette open default current dir, and saving fixed
• added support for PAL 50fps
• updated dinput from 6.0 to 7.0
• fixed windows 98 compatibility bug from 0.5.2
• updated documentation slightly
• modified audio timing slightly to reduce lag

Version 0.5.2 (11/5/2003)

• Added 48x48 icon for Windows XP view
• Now supports play/stop on some multimedia keyboards
• Fixed windows message queue handling problem
• Rom Browser separates path now
• Full screen resolutions can use Super 2x SaI
• A stretched version of Super 2x SaI added to 3x and 4x

Version 0.5.1 (02/28/2003)

• Fixed multiple audio thread creation (woops)
• Centered full screen non-stretched screen updates
• Joypad reads now have correct upper 4 bit bus data
• Fixed joypad configuaration bug
• Added turbo fire for buttons A & B option
• Kaillera rom directory is now global, and supports .ZIP files
• Fixed some MMC5 things, still doesnt work great tho
• Updated direct draw to newer interface

Version 0.50 (01/17/2003)

• Audio thread now runs all the time, stopping emulation is faster
• Full screen clears all buffers for triple buffering, and correctly saves window position
• Fixed some minor user interface bugs
• Fixed NSF screen and made look nicer
• Implemented more input axes such as POV and slider
• more cheats, dbase also works better on win9x
• changed dpcm frequencies slightly, older style
  

Version 0.50 Beta 2 (07/20/2002)

• Fixed recent menu saving to registryF
• Fixed status bar when rom is opened
• Windowed blitter now has choice adds Super2xSai and Scanlines
• Fixed mask generation, more roms should work
• Main window and rom browser positions saved on exit
• Cheats window moved around, multi-line cheats in dbase supported
• Packed more into each 24bpp xlation write, hopefully improves speed
• Fixed 15 bit color mode
• Cheats file has seen some enhancements

Version 0.50 Beta 1 (07/10/2002)

• Fixed Deady Towers, Mapper 34
• Fixed an issue with palettes that affected Archon
• Added code toggling to the game genie interface (usually works without reset)
• Cheats are now a single file, and some popular ones are included
• Game genie usage in MMC3 games is now fixed
• Tweaked noise a little bit, more like 0.30a which was better
• Added a NES stereo sound option, usually pretty nice!
• Better menu handling while files are not active
• Recent menu is a little nicer, stamping is better, also deletes invalid entries
• Fixed bitmap capturing in triple buffer full screen
• Rewrote Direct Draw locking logic
• Direct Sound library used is same as other projects
• Using accelerators now, keyboard shortcuts improved and more reliabile
• PPU rendering rewritten for palette based rendering (slower, more accurate..)
• Added network play support via the Kaillera 0.90
• Added a video timing option to allow and extra line of vblank (fixes graphics glitches in bubble bobble 2, blades of steel, etc)
• Window position remembered when returning to windowed mode from full screen
• Put back 24-bit rendering (works?) and removed 8-bit from full screen
• Rom Browser added, sort by name, mapper, and battery saves
• j6502 was ported back to C from X86 assembly (hopefully no difference... maybe slower on old computers)
• New settings dialog: file association (thanks zilmar), IPS patching functionality, directory paths
• Direct Input library has improved error detection for disconnected joypads on load, and tabbed dialog
• New video dialog, replaces the old series of menus, also adds enumeration of full screen display modes
• Brand new help file (thanks to smiff for the inspiration)
• ZIP file support using ZLIB 1.1.4 DLL, only for NES roms
• Almost every other aspect has seen rewrites and cleanups over time..

Version 0.40 beta 2 (01/21/2001)

• Put a cap on direct input error handling during game play
• Rewrote some window handling routines for full screen
• Fixed a bug in the window size menu-check handling
• Initialized the task variable to zero correctly, hopefully this fixes problems people experienced with save states doing odd stuff!

Version 0.40 beta 1 (01/06/2001)

• Implemented audio updates 4 times per frame via queue, might slow down performance so I waited this long to do something drastic like this, sounds great tho
• 16-bit audio and mixing
• Raw PCM emulated nicer now..
• Noise and Pulse volume enveloping corrected I hope
• Tri counters fixed? (Thanks to Matt Conte for the doc on nesdev a while back)
• Pulse freq sweeps rewritten finally, put this off a long time
• DPCM rewritten from scratch, big difference in beat style
• Vertical scroll problem fixed in TMNT
• Changed the scanlines back to 262, this makes a game I know not work right but I feel having correct timing is the right way to go
• Another NSF loading problem fixed
• Sunsoft Mapper fixes and speedups
• Implemented an accurate real-time zapper read handler, didnt realize necessary..
• Small transparency fix for some games (Windowed only)
• Added ability to load external palettes or keep default, 3-byte RGB triplets
• Integrated NSF support into the j6502 main cpu core, via small hack
• Rewrote sign flag, and IP handling in j6502, speedup
• Window 3X mode added
• Added an option for NES 8-pixel clipping emulation
• Sprite0 hits tweaked a little
• Rewritten Game Genie from scratch, max codes is 64 per game
• Rewritten PPU Rendering, which removed MMX/ASM speedups, still fast tho
• Rewrote direct draw frame locking technique, dangerous when jnes crashes..
• Removed 24bpp rendering support, useless, slow etc, use 16/32
• Rewritten entire banking system for cpu and ppu, speed boost
• Added a recent menu into the interface, quite nice
• Rewrote every mapper, less memory used, faster speed, save state friendly
• Rewrote sound graph, more friendly to direct draw these days
• Rewrote bitmap capture code from scratch, faster and nicer.
• Finally released the partial MMC5 support, not the most accurate emulation, but it is good enough to play Castlevania III US well, which is good enough..
• Tweaked save states to save the new structures as well
• Rewrote ppu mapper tile handling, works right now, no hack
• Started allocating and releasing large chunks of memory nicely
• Direct Input 2-Player code rewritten, smaller, easier to maintain, as well as the option to completely? tweak the devices
• Changed quick-save to F7 key, F6 was too close to F5 really, you could hit it accidently
• Added save slots selection to the Cpu menu, it might of been confusing because it was previously only accessible on the keyboard

Version 0.30a (01/04/2000)

• PCM exception problem solved
• NSF Banking fixed

Version 0.30 (12/25/1999)

• Internal NSF Player
• Added nsf files to command line load
• Added NINA-1 Emulation (iNES #34)
• Fullscreen Triple Buffering
• Improvements to PCM decoding
• Solved an mmc3 IRQ problem
• Fixed sprite priorities a little more
• Fixed zapper in 24/32 bpp
• Screen captures work in 8bpp
• Performance enhancements
• Keyboard reading now includes the numkeys for d-pad.
• DirectX dialog more informative
• Fixed the CPUID problem on Cyrix CPU's
• Removed surface fills at the beginning of frame, this reduces DirectDraw overhead for old hardware

Version 0.26c (10/26/1999)

• Corrected registry alignment issues
• Saves last directory to registry

Version 0.26b (10/23/1999)

• PCM channel improvements
• Higher quality audio generation
• Direct Input interface fixes

Version 0.26a (10/20/1999)

• Direct Input enumerator supports multiple gamepads that are under the same name.
• Corrected the new dpcm buffering for games that use large buffers with low frequencies.
• Implemented zapper into the via the mouse, preliminary but works in a few games

Version 0.26 (10/09/1999)

• Added Konami VRC4 Emulation (iNES #21)
• Added Konami VRC2b Emulation (iNES #23)
• Added Konami VRC4b Emulation (iNES #25)
• Added Konami VRC6 Sound Emulation, Thanks to Kevin Horton for his docs
• Improved PCM channel emulation
• Minor MMC1/MMC3 mirroring change
• Tweaked MMC3 IRQ
• Fixed 4-window vram
• Support for Controller #2
• Put back correct palette reading
• Fixed game genie length detection
• Major 6502 core optimizations
• MMX enhanced PPU emulation
• DirectSound is now used again
• Dialog for input devices with button config
• Background Sleep is now an option
• Sound output graph

Version 0.21 (08/25/1999)

• Added MMC4 Emulation (iNES #10)
• Added Sunsoft Mapper #4 (iNES #68)
• Tweaked MMC3 IRQ Slightly
• MMC1 Bankswitching changed
• PPU moved into seperate assembly files
• Fixed a long time Vertical scroll bug
• Minor GameGenie save fix
• Modified the Direct Input Axis mode
• Documentation updated for Sidewinders
• Fixed small windowing problem.
• Removed DirectSound, switched to a hopefully more reliable audio method
• Vsync removed as a result of timing.
• FPS meter disabled in full screen
• Lots of other options were taken out
• Keyboard reading works on NT4 SP4 (DX3)

Version 0.20 (08/20/1999)

• Fixed triangle frequencies and hold note
• Fixed flag sets when RTI<->NMI<->BRK happens
• Well, RCR/RCL doesn't set ZF
• Added MMC1 512/1024 kb ROM support
• Added Konami VRC6 (iNES #24)
• Added Nintendo MMC2 (iNES #9)
• Better MMC3 IRQ
• Improved Sprite priorities and hits
• Improved Frequency Sweeping
• Preliminary RAW PCM sound emulation
• Noise channel enveloping fixes
• DPCM Irq's Disabled
• Changed save state format to save all audio data, added padding for future modifications
• Game Genie Emulation is now alot better
• Support for trained roms
• Sprite priority in 24-bit are better
• Small speed-up in 16-bit rendering
• Windows 98 SE compatible
• Rewritten interface, structured better
• Record wave save dialog box
• Read-only files open now
• Frames per second counter available for full screen mode only if Vsync is turned on.
• New Stretch mode added to full screen
• Fixed bitmap writing in RGB555 mode
• Wait for Vsync only affects full screen video mode
• Timing uses new higher performance method
• All threading and program halt problems are fixed

Version 0.10 (08/05/1999)

• Initial release