2013-05-05 09:21:30 +00:00
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void SDD1::serialize(serializer& s) {
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2012-07-08 02:57:34 +00:00
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s.array(ram.data(), ram.size());
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2010-08-09 13:28:56 +00:00
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s.integer(sdd1_enable);
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s.integer(xfer_enable);
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Update to v080r01 release.
byuu says:
There was one unfortunate aspect of the S-DD1 module: you had to give it
the DMA length and a target buffer, and it would do the entire
decompression at once. Real hardware would work by streaming the data
byte by byte. So with that, I went ahead and rewrote the code to handle
byte-based streaming.
This WIP is an important milestone for me personally. Up until now,
bsnes has always had code that was directly copy-pasted from other
authors. With all of the DSP and Cx4 chips rewritten in LLE, and the
SPC7110 algorithm already ported over from C, and archive decompression
code removed for a long time, the S-DD1 was the only module left like
this. It's obviously not that big of a deal. The code is basically still
a copy of the original. S-DD1 decomp from Andreas Naive, SPC7110 decomp
from neviksti, and S-DSP from blargg. And the rest of the emulator is of
course only possible because of code and research before it, although
everything else has no resemblance at all to code before it. The main
advantage, really, is absolute code consistency. I always use the same
variant of K&R, for instance. I dunno, I guess I just never really liked
the "Build-a-Bear Workshop" style of emulators, like is so prominent in
the Genesis scene: "My new Genesis emu (uses Starscream/Musashi 68K
core, Marat Fayzullin's Z80 core, YM2612 core from Game_Music_Emu, VDP
core from Gens, SVP core from picodrive)", sorry, but you wrote
a front-end, not an emulator :/
I also updated the SPC7110 decompression module: I merged the class
inside the SPC7110 class (not sure why it was separate before), and
replaced the morton lookup tables with for-loops. The morton tables were
added to be a tiny bit faster when I was more interested in speed than
code clarity. It may be a tiny bit slower (or faster due to less L2
cache usage), but you won't even notice an FPS drop, and it cuts out
a good chunk of code and some tables. Lastly, I added pinput_poll() to
video_refresh(). Forgot to remove Interface::input_poll() from the C++
side, will have to do that later.
2011-06-28 11:36:00 +00:00
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s.integer(dma_ready);
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2010-08-09 13:28:56 +00:00
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s.array(mmc);
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for(unsigned n = 0; n < 8; n++) {
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s.integer(dma[n].addr);
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s.integer(dma[n].size);
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}
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}
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