puNES v0.20

June 5th, 2011, 01:04 Posted By: wraggster

News via http://www.emucr.com/2011/06/punes-v020.html

puNES v0.20 is released. puNES is a NES emulator. Currently the program supports mappers 0, MMC1, UNROM, CNROM, but the sound is not yet available. It uses the SDL libraries and it works on both Linux and Windows.



In the future I will use this post to announce new releases and changes.

puNES is an emulator under development that works on Linux32/64 and Windows32. It needs of SDL library to run. Uncompress the zip/tar file in a subdirectory. Run it with the name of the rom as the first argument (or, in Windows, if you don't want use the commandline, drag the rom on the icon of the emu).
P.s. doesn't support zipped rom yet

Current version : 0.20

Changelog:
0.20
Implemented illegal opcode 0x80 for the "Beauty and the Beast (E) [!].nes" rom
0.19
complete APU emulation.
This is my first attempt with sdl sound and perhaps there may be some bugs. For now, without the implementation of frameskip, the emulator has to work 100% for not having problems with sound skip and crackle.
Changed the structure of the code and now the emu takes less than 100Kb.
Correct many many many bugs.
0.18:
added AxROM (mapper 7) emulation.
0.17:
fixed another bug and now Incredible Crash Dummies run without problems.
0.16:
correct a couple of bugs in the mmc3 emulation.
0.15:
added MMC3 emulation.
0.14:
Correct a a bug in the controller routine (thanks Dwedit).
0.13:
Correct a little bug and now all cpu_interrupts_v2 test roms passed.
0.12:
Implemented reading of $2004 during the rendering.
(thx to Quietust for the info and for the read2004.nes test rom).
0.11:
I worked hard on the CPU and PPU emulation and now many
of test roms worked perfectly (thanks blargg).
Added OpenGL support.
Implemented APU Frame Interrupt (only this for now).
Many bugs are gone.

Mappers supported : 0, MMC1, UNROM, CNROM, MMC3, AxROM.
Sound : Implemented.

keyboard:
arrow keys = left, right, up, down
a = button A
s = button B
z = Select
x = Start
1 = 1x
2 = 2x
3 = 3x
4 = 4x
5 = no filters
6 = scale2x
7 = ntsc (press more time to switch between composite, svideo, rgb, monochrome)
. and , = switch between PAL palette, NTSC palette and Sony CXA2025AS US decoder, monochrome and greenchrome.
f = toggle fullscreen
o = switch between opengl and software rendering
p = toggle stretch in fullscreen
r = something nice in opengl mode (use the mouse to rotate the cube)
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