作者choan (八房龙之助)
看板Emulator
标题[新闻] bsnes v083 released
时间Fri Oct 14 12:15:29 2011
http://byuu.org/
This release adds preliminary Nintendo / Famicom emulation. It's only a week
or two old, so a lot of work still needs to be done before it can compete
with the most popular NES emulators.
It's important to clarify: bsnes is primarily an SNES emulator. That will
always be its forte and my core focus. I have added Game Boy support
previously for Super Game Boy emulation, and I've added NES support mostly
for something fun to work on to break up the monotony of working on one
system for seven years now. Obviously, I'd like the emulation to be accurate
and highly compatible, but I simply cannot afford to invest the same amount
of time and money into any other systems.
Still, either way the NES and GB emulation serve as fun side-diversions, and
allow for a unified emulator interface with all of bsnes' unique features
applied to all systems. My personal favorite feature is mightymo's extended
built-in cheat code database that now also includes NES and Game Boy codes.
And it even works in Super Game Boy mode now, too!
I'm also not worried about speed at all: so long as NES/GB are faster than
SNES/compatibility, it's fine by me. Note that due to the NES audio running
at 1.78MHz, and Game Boy audio at 4MHz stereo, a more sophisticated audio
resampler was needed: Ryphecha (Mednafen author) has graciously written a
first-rate resampler: it is a band-limited Kaiser-windowed polyphase sinc
resampler. It is combined with two highpass filters to remove DC bias. The
filter itself is SSE optimized, but even still, approximately 50% of CPU
usage for NES/GB emulation goes to the audio filtering alone. However, you
now have the best sound possible for NES and Game Boy emulation as a result.
The GUI has also been heavily re-structured to accommodate multiple emulators
from the same interface. As such, it's quite likely a few bugs are still
lurking here and there. Please report them and I'll iron them out for the
next release.
Changelog:
-license is now GPLv3
-re-structured GUI as a multi-system emulator
-added NES emulation [byuu, Ryphecha]
-added NES ICs: MMC1, MMC2, MMC3, MMC4, MMC5, VRC4, VRC6+audio, VRC7,
Sunsoft-5B+audio, Bandai-LZ93D50
-added NES boards: AxROM, BNROM, CNROM, ExROM, FxROM, GxROM, NROM, PxROM,
SxROM, TxROM, UxROM
-Game Boy emulation improvements [Jonas Quinn]
-SNES core outputs full 19-bit color (4-bit luma included) for more accurate
color reproduction (~5% speed hit)
-audio resampler is now a band-limited polyphase resampler [Ryphecha]
-cheat database includes NES+GB codes as well [mightymo, tukuyomi]
-lots of other changes
--
※ 发信站 :批踢踢实业坊(ptt.cc)
◆ From: 59.126.232.106
3F:→ remina:NES即使关掉synchronize video(VSYNC)单核一样吃满XD 10/14 13:14
4F:推 oginome:实在很好奇这个模拟器为什麽要花那麽多的资源呀~ 10/14 13:17
5F:→ oginome:模拟一个时脉卖不到4 MHz的主机,居然把一个单核3GHz榨乾 10/14 13:18
6F:→ oginome:模拟器果然是高深莫测.... 10/14 13:18
7F:推 c19:精确模拟所要付出的代价 10/14 16:48
8F:推 Bellkna:单纯要玩 还是用别的就好了 这个是追求完全正确模拟的 10/14 20:33
9F:推 osanaosana:有人可以解释一下完全正确模拟的用途在哪里嘛? 10/14 21:49
10F:推 world9918:有些游戏要用bsnes跑才能100%正确模拟 10/14 21:52
11F:推 ceming:就玩来说 你玩的时候发出来的音效绝对跟你小时候玩的一样 10/14 21:52
12F:→ world9918:可以去官网看比较图 10/14 21:52
13F:→ world9918:不过如果自己没有很挑或者没有影响游玩的话就没必要了 10/14 21:53
14F:推 osanaosana:感谢解答... 10/15 00:16
16F:推 NSRC:要声音好听,用 SNESGT 10/16 01:47