Commit Graph

3 Commits

Author SHA1 Message Date
Tim Allen 8af3e4a6e2 Update to v102r22 release.
byuu says:

Changelog:

  - higan: Emulator::Interface::videoSize() renamed to videoResolution()
  - higan: Emulator::Interface::rtcsync() renamed to rtcSynchronize()
  - higan: added video display rotation support to Video
  - GBA: substantially improved audio mixing
      - fixed bug with FIFO 50%/100% volume setting
      - now properly using SOUNDBIAS amplitude to control output
        frequencies
      - reduced quantization noise
      - corrected relative volumes between PSG and FIFO channels
      - both PSG and FIFO values cached based on amplitude; resulting in
        cleaner PCM samples
      - treating PSG volume=3 as 200% volume instead of 0% volume now
        (unverified: to match mGBA)
  - GBA: properly initialize ALL CPU state; including the vital
    prefetch.wait=1 (fixes Classic NES series games)
  - GBA: added video rotation with automatic key translation support
  - PCE: reduced output resolution scalar from 285x242 to 285x240
      - the extra two scanlines won't be visible on most TVs; and they
        make all other cores look worse
      - this is because all other cores output at 240p or less; so they
        were all receiving black bars in windowed mode
  - tomoko: added "Rotate Display" hotkey setting
  - tomoko: changed hotkey multi-key logic to OR instead of AND
      - left support for flipping it back inside the core; for those so
        inclined; by uncommenting one line in input.hpp
  - tomoko: when choosing Settings→Configuration, it will
    automatically select the currently loaded system
      - for instance, if you're playing a Game Gear game, it'll take you
        to the Game Gear input settings
      - if no games are loaded, it will take you to the hotkeys panel
        instead
  - WS(C): merged "Hardware-Vertical", "Hardware-Horizontal" controls
    into combined "Hardware"
  - WS(C): converted rotation support from being inside the core to
    using Emulator::Video
      - this lets WS(C) video content scale larger now that it's not
        bounded by a 224x224 square box
  - WS(C): added automatic key rotation support
  - WS(C): removed emulator "Rotate" key (use the general hotkey
    instead; I recommend F8 for this)
  - nall: added serializer support for nall::Boolean (boolean) types
      - although I will probably prefer the usage of uint1 in most cases
2017-06-09 00:08:02 +10:00
Tim Allen e2ee6689a0 Update to v098r06 release.
byuu says:

Changelog:
- emulation cores now refresh video from host thread instead of
  cothreads (fix AMD crash)
- SFC: fixed another bug with leap year months in SharpRTC emulation
- SFC: cleaned up camelCase on function names for
  armdsp,epsonrtc,hitachidsp,mcc,nss,sharprtc classes
- GB: added MBC1M emulation (requires manually setting mapper=MBC1M in
  manifest.bml for now, sorry)
- audio: implemented Emulator::Audio mixer and effects processor
- audio: implemented Emulator::Stream interface
  - it is now possible to have more than two audio streams: eg SNES
    + SGB + MSU1 + Voicer-Kun (eventually)
- audio: added reverb delay + reverb level settings; exposed balance
  configuration in UI
- video: reworked palette generation to re-enable saturation, gamma,
  luminance adjustments
- higan/emulator.cpp is gone since there was nothing left in it

I know you guys are going to say the color adjust/balance/reverb stuff
is pointless. And indeed it mostly is. But I like the idea of allowing
some fun special effects and configurability that isn't system-wide.

Note: there seems to be some kind of added audio lag in the SGB
emulation now, and I don't really understand why. The code should be
effectively identical to what I had before. The only main thing is that
I'm sampling things to 48000hz instead of 32040hz before mixing. There's
no point where I'm intentionally introducing added latency though. I'm
kind of stumped, so if anyone wouldn't mind taking a look at it, it'd be
much appreciated :/

I don't have an MSU1 test ROM, but the latency issue may affect MSU1 as
well, and that would be very bad.
2016-04-22 23:35:51 +10:00
Tim Allen a2d3b8ba15 Update to v098r04 release.
byuu says:

Changelog:
- SFC: fixed behavior of 21fx $21fe register when no device is connected
  (must return zero)
- SFC: reduced 21fx buffer size to 1024 bytes in both directions to
  mirror the FT232H we are using
- SFC: eliminated dsp/modulo-array.hpp [1]
- higan: implemented higan/video interface and migrated all cores to it
  [2]

[1] the echo history buffer was 8-bytes, so there was no need for it at
all here. Not sure what I was thinking. The BRR buffer was 12-bytes, and
has very weird behavior ... but there's only a single location in the
code where it actually writes to this buffer. It's much easier to just
write to the buffer three times there instead of implementing an entire
class just to abstract away two lines of code. This change actually
boosted the speed from ~124.5fps to around ~127.5fps, but that's within
the margin of error for GCC. I doubt it's actually faster this way.

The DSP core could really use a ton of work. It comes from a port of
blargg's spc_dsp to my coding style, but he was extremely fond of using
32-bit signed integers everywhere. There's a lot of opportunity to
remove red tape masking by resizing the variables to their actual state
sizes.

I really need to find where I put spc_dsp6.sfc from blargg. It's a great
test to verify if I've made any mistakes in my implementation that would
cause regressions. Don't suppose anyone has it?

[2] so again, the idea is that higan/audio and higan/video are going to
sit between the emulation cores and the user interfaces. The hope is to
output raw encoding data from the emulation cores without having to
worry about the video display format (generally 24-bit RGB) of the host
display. And also to avoid having to repeat myself with eg three
separate implementations of interframe blending, and so on.

Furthermore, the idea is that the user interface can configure its side
of the settings, and the emulation cores can configure their sides.
Thus, neither has to worry about the other end. And now we can spin off
new user interfaces much easier without having to mess with all of these
things.

Right now, I've implemented color emulation, interframe blending and
SNES horizontal color bleed. I did not implement scanlines (and
interlace effects for them) yet, but I probably will at some point.

Further, for right now, the WonderSwan/Color screen rotation is busted
and will only show games in the horizontal orientation. Obviously this
must be fixed before the next official release, but I'll want to think
about how to implement it.

Also, the SNES light gun pointers are missing for now.

Things are a bit messy right now as I've gone through several revisions
of how to handle these things, so a good house cleaning is in order once
everything is feature-complete again. I need to sit down and think
through how and where I want to handle things like light gun cursors,
LCD icons, and maybe even rasterized text messages.

And obviously ... higan/audio is still just nall::DSP's headers. I need
to revamp that whole interface. I want to make it quite powerful with
a true audio mixer so I can handle things like
SNES+SGB+MSU1+Voicer-Kun+SNES-CD (five separate audio streams at once.)

The video system has the concept of "effects" for things like color
bleed and interframe blending. I want to extend on this with useful
other effects, such as NTSC simulation, maybe bringing back my mini-HQ2x
filter, etc. I'd also like to restore the saturation/gamma/luma
adjustment sliders ... I always liked allowing people to compensate for
their displays without having to change settings system-wide. Lastly,
I've always wanted to see some audio effects. Although I doubt we'll
ever get my dream of CoreAudio-style profiles, I'd like to get some
basic equalizer settings and echo/reverb effects in there.
2016-04-12 07:29:56 +10:00