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2013-01-12Loop unrolling sucks. It was adding loads of instructions per audio sample.Nebuleon Fumika
2013-01-12Remove redundant writes to support reverse stereo. Define ↵Nebuleon Fumika
FOREVER_FORWARD_STEREO.
2013-01-11Stop constantly testing for 16-bit and stereo in sound handlers. Define ↵Nebuleon Fumika
FOREVER_16_BIT_SOUND and FOREVER_STEREO and use them throughout the code. This is essentially commit 6b36e79013d4c9273a96a9783a2bccdb516f174a, but for sound instead of graphics.
2013-01-08Revert "Reinstate FAST_ALIGNED_LSB_WORD_ACCESS for 24-bit jumps." That's in ↵Nebuleon Fumika
port.h now. This reverts commit 3dd99ccae465c370613ded10794749d6253bfe8c.
2013-01-08Reinstate FAST_ALIGNED_LSB_WORD_ACCESS for 24-bit jumps.Nebuleon Fumika
2013-01-08Reinstate SNES Open Bus. It was making Secret of Mana's introduction screen ↵Nebuleon Fumika
sound like a NES with a rusty audio controller.
2013-01-08Remove Open Bus again. Stop synchronising controls so often, now that the ↵Nebuleon Fumika
audio variable latency problem is fixed.
2013-01-02Release 1.13.Nebuleon Fumika
2013-01-01Remove unused files. This reduces the plugin's size by 214 KB.Nebuleon Fumika
unicode.c, unicode.h, charsets.c, charsets.h: UTF-8 is universally used in CATSFC. Drop unused support for GBK/SJIS encodings.
2012-12-31Release 1.12.Nebuleon Fumika
2012-12-30'make release' is now a thing. It makes the .zip file for a release.Nebuleon Fumika
2012-12-24Merge branch 'optimisation'Nebuleon Fumika
2012-12-23Various optimisations in the CPU emulation.Nebuleon Fumika
Run the opcode as a tail call from the address calculation. This cuts on the needed return instructions. Pass the opcode address as a parameter; this keeps it in a register most of the time and avoids memory stores.
2012-12-22Preliminary Snes9x-based cheat code support. Not tested, because the file ↵Nebuleon Fumika
selection interface freezes when it gets to the folder containing Mightymo's cheat files, whereas it did not do this before with the converted Mightymo cheats. (335 files -> 679, though.)
2012-12-21Eliminate the latency of button press recognition, which was bad enough to ↵Nebuleon Fumika
lose keys entirely sometimes, and could otherwise delay a button press or release by 200 ms. This was the entire reason I created the fork, and I finally did it! It syncs the controls every scanline of a frame, which costs about 60,000 MIPS instructions per frame to deal with. Luckily, the processor runs at 396 MHz, which means the cost of checking the controls is 1% of the CPU's power.
2012-12-20Remove the SNES Open Bus behaviour by default. Also simplify translation again.Nebuleon Fumika
SNES Open Bus is a quirk of the memory subsystem that allow reads of invalid addresses to return the last byte read from memory. However, it is seldom needed by a game, and it costs 1 to 3 MIPS instructions per SNES instruction to emulate. If you need SNES Open Bus, you can remove -DNO_OPEN_BUS from the Makefile.
2012-12-20Add back the -mlong-calls optimisation. It shortens the plugin's code a bit.Nebuleon Fumika
2012-12-19Raise the CPU's clock speed to 396 MHz while loading ROMs.Nebuleon Fumika
Also raise the CPU's clock speed to 396 MHz by default, instead of 360 MHz, when emulating a ROM.
2012-12-19Delete offsets.cpp, which is for a standalone tool that is unrelated to the ↵Nebuleon Fumika
emulator.
2012-12-18Un-inline a bunch of stuff.Nebuleon Fumika
With the MIPS instruction cache, this means that two consecutive SNES CPU instructions using e.g. the same addressing style or the same opcode have a chance that the second one will use the first one's code and that it will be cached.
2012-12-17Remove more unneeded files.Nebuleon Fumika
2012-12-17Makefile overhaul.Nebuleon Fumika
2012-12-17Optimise for size. Allow the build process to use multiple CPU cores with ↵Nebuleon Fumika
make -jN.
2011-03-05first commitKitty Draper