digital-sound-antiques / libkss Goto Github PK

It would be amazing if I can create an equalizer for every separate channel in the music. The player obviously delivers 2 audio channels, so that's not the way to go, I don't think I can currently have this data? Can you please shed some light on this?

Maybe it would be nice to have a VGM exporter in Libkss. It could function similar to the way OpenMSX does things using a TCL script; by writing all data the emulated audio registers receive to disk. Here's a link to the script and some info.

The current KSSPLAY does not provide any interface for separate channel output of each devices. Separate channel output is very useful for a lot of purpose, for example, per-channel filtering, volume control, spectrum analysis and so on. I will implement the interface soon.

I would like to send the wave data into Lame straight away by using the pipe. Would be a nice feature to have. I've seen programs use the '-' sign as output filename to activate this feature, but since you can't specify the wave file name with kss2wav it might be best to add a flag.

Files converted using mus2kss don't play in lib kss (they load, but nothing happen or garbage sound). They are playing fine with libnezplug.
mus2kss here: http://msx.fi/nyyrikki/pc.html
mus files here: http://modland.com/pub/modules/FAC%20SoundTracker/

First off: very cool you moved your stuff to Github, and still are actively working on this, much appreciated! 😎

There are some PSG tunes that not quite sound as they should, having some distortion & crackles, e.g:

Vampire Killer

• Out of Time
• Wicked Child
• Game Over

Penguin Adventure

• Shop 3 - Angry Fisher
• Cold Ocean
• ??? (short tune with bells as in 'The Map')

We've been discussing this via Twitter direct message; your latest reaction on this was this:

How to debug KSS file is frequency asked, but there has been no good solution for the several decades. If you do not mind to some programming effort, my personal recommendation is to trap Z80 I/O access.

I was thinking about this however; with this I still wouldn't know what is going on when the I/O is not happening and I expected it would. What about giving the option to dump all the z80 register stuff and a few lines of code from before and after to a txt file every time when a certain memory address is hit? With this setting I could compile my asm file to a kss file and check if parts of the code are reached and if so on that moment has the values in memory I expected? I could also do the I/O thing with this.

My implementation of libkss has a function:

int crSetVolumes(void *context, int sccVolume, int psgVolume, int opllVolume)
{
    kssContext *kss = (kssContext*)context;
    KSSPLAY_set_device_volume(kss->kssplay, 0, psgVolume);
    KSSPLAY_set_device_volume(kss->kssplay, 1, sccVolume);
    KSSPLAY_set_device_volume(kss->kssplay, 2, opllVolume);
    KSSPLAY_set_device_volume(kss->kssplay, 3, opllVolume);
}

This works fine for PSG and SCC, but for OPLL it seems some channels are being ignored. So if some FMPAC tune is playing and I change the volume some channels stay at normal volume. That's why I tried to set OPL volume as well, but that's MSX Audio, that obviously didn't work either. :)

Am I doing something wrong?

Since 'm' library is not specified, kss2wav cannot be built with gcc or its variant.

Hi,

I noticed a bug following the latest emu8950 update (with the notesel change).

For some kss files, there's no output anymore. You can try with
http://ftp.modland.com/pub/modules/KSS/Crystal%20Score/callisto%27s%20theme.kss