PSP: MSX emulator fMSX-PSP version 3.1.3

**uberjack** · May 5th, 2007, 15:01

Hi everyone,

New version of fMSX-PSP is out at http://www.akop.org/psp/fmsx/
Here are the new features:

* Support for multi-volume disk images - multiple disk images per ZIP file and in-game volume switching
* Improved virtual keyboard navigation, rendering speed increase
* System ROM's can be stored in a single ZIP file in the application's directory
* Integrated zipped ROM and DSK file support (fast loading from ZIP files)
* PSG/SCC sound emulation engine by Mitsutaka Okazaki
* Approximately 18% gain in rendering speed
* Frames-per-second counter
* PAL frequency (50Hz) timing
* Various small improvements and bugfixes

Thanks

Download and Give Feedback/ Compatability Reports Via Comments

***wraggster*** · May 5th, 2007, 15:06

Thanks for the news and release

**IM back!** · May 5th, 2007, 15:22

nice speed incr.

**Buddy4point0** · May 5th, 2007, 15:40

this is great thanks for the update

**gelon** · May 5th, 2007, 16:58

Nice work, keep it up

**domthegod** · May 5th, 2007, 20:34

Nice one thnx for update m8 ill beta test next one if you need it

**zx-81** · May 5th, 2007, 21:52

nice work, keep it up !

**jburton** · May 6th, 2007, 11:13

Hi uberjack,

One word: AWESOME. Or better yet A.W.E.S.O.M.E.

The update to the sound emulation and addition of PAL mode is really great. I'm truely enjoying the whole experience now, from the clean menu navigation, to the super smooth emulation, to the transparent keyboard overlay and very cool save state support (this is going to help me in ending a few games which I never was able to in the past!) This is how emulation should be

As for future improvements, I found the following little "bugs":

PAL mode runs great at ~50fps without vsync, but with vsync enabled it only reaches ~48fps max (so not the 'proper' ~50fps), even with 333Mhz setting. This is while NTSC with vsync reaches ~60fps with most games. I'm in doubt if this is a bug, or is PAL vsync mode just harder on the CPU?
There is a little typo in the config screen with vsync. In the bottom of the screen the help text says the option is to reduce "shearing", you probably mean "tearing" here.
The standard memory mapper your emulation uses seems to be 128kB. In the real world people extended their hardware memory mappers with 256kB or even 512KB. Some demos provide extra features with a bigger memory mapper and even some floppy versions of Konami game cartridges need a 256kB or even 512kB memory mapper (like floppy conversions of Konami MSX2 roms and Solid Snake respectively). As such it would be great if you could add a memory mapper size option in the config menu. A neat little bonus would be if the correct RAM sizes (for video ram and normal ram) would be shown on the MSX2 logo boot-up. But that probably needs a little poking in the MSX system ROM :-)
I also found compatibility issues with some games, but it's best to save these for a later time, because you probably already have a list of 'to do' for yourself.

It would be great if you could let us know what your plans are for future versions btw! That also might enhance your website if you put up a little section of things to do / planned improvements. Well just a thought...

Thanks again for a great emulator!

**jburton** · May 7th, 2007, 21:27

Okay, after testing a bit more I realised that my earlier comment about the vsync wasn't entirely correct, so I've edited my previous message to reflect what I really meant to say