Philips Music Module MSX Audio upgrade - V1.3

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Van OeiOeiVogeltje

Paragon (1402)

afbeelding van OeiOeiVogeltje

14-09-2012, 23:50

Pin 1 of IC13 was disconnected at my board (boardcut which i didnt see)
i had to reconnect it and now the thingy works

Van Colemu

Hero (535)

afbeelding van Colemu

15-09-2012, 00:11

I used a wire and solder to reconnect the pin mate, I thought the instructions were right.
Mine wasn't cut on the board though, so your's was a little different eh oO

The ones they have just posted on their site are wrong

They have not said to reconnect pin 1 as I did, so they're incomplete....

Van roadfighter

Champion (425)

afbeelding van roadfighter

16-09-2012, 22:08

Colemu wrote:

anyone know a list of games that work with this Bios?
I know Aleste 2 doesn't work (not sure why?)
However (as mentioned above) a few of my games work fine:
Xevious, Dante 2, Gladius and Golvellious 2
I wanted to test this mod properly, so more examples would be great.....

Hi, The Golvellius games work, but as you state Aleste 2 doesn't and alest neither.
Also Psycho world has no music, only psg.
Is it because the games are not writen the right way or is the bios still not 100% ?
Thexter 2/ Firehawk doesn't work, only the patch version for hdd from FRS works.
I will test some more games and will place the findings.

Van sd_snatcher

Prophet (3486)

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17-09-2012, 14:09

roadfighter wrote:

Is it because the games are not writen the right way or is the bios still not 100% ?

It's because the games were not written the right way. But they can be easily patched to fix this.

The only exception is R-Type: it uses the MSX-Music built in replayer to play its music, and this function isn't implemented on the MSX-Audio compatibility layer yet, because of the lack of English documentation. It may be implemented when the MSX-Music/MSX-Audio chapters of the MSX Datapack books get translated.

Van NYYRIKKI

Enlighted (5889)

afbeelding van NYYRIKKI

17-09-2012, 15:22

roadfighter wrote:

Thexter 2/ Firehawk doesn't work, only the patch version for hdd from FRS works.

I don't know if this has anything to do with the problem, but I remember that this game has a bug at least in MSX-Music detection. If you have wrong sub-slot selected before starting the game, then the game starts with PSG only.

Van Colemu

Hero (535)

afbeelding van Colemu

17-09-2012, 19:27

sd_snatcher: how do we patch these games to work with MSX Audio Bios V1.3?

It may be easy for you, but I assure you, it ain't easy for someone like me oO

Van roadfighter

Champion (425)

afbeelding van roadfighter

17-09-2012, 21:32

Colemu wrote:

sd_snatcher: how do we patch these games to work with MSX Audio Bios V1.3?
It may be easy for you, but I assure you, it ain't easy for someone like me oO

I agree its a problem for me to i can't program.
Maybe there can be a patch program of some sort for the problem games ?
But that will also be troubelsome i think because not all the games that doesn't work are writen(wrong) the same way.

Van sd_snatcher

Prophet (3486)

afbeelding van sd_snatcher

17-09-2012, 22:44

Colemu wrote:

sd_snatcher: how do we patch these games to work with MSX Audio Bios V1.3?

It may be easy for you, but I assure you, it ain't easy for someone like me oO

Ops! Sorry, I meant it's easy for a programmer to fix those games. Smile

If I had more free time I would certainly release more patches. But RealLife (TM) is being particularly busy/complicated this year.

Van sd_snatcher

Prophet (3486)

afbeelding van sd_snatcher

17-09-2012, 22:48

@NYYRIKKI

This subslot bug was fixed on the HDD patch, along with a lot of other bugs. The game now is 100% compliant with the MSX coding guidelines. Subslots are handled correctly and no illegal direct hw I/O is done. This means it passes both Acid1 & Acid2 tests, and with a better performance than the original with direct I/O.

Van igal

Master (216)

afbeelding van igal

18-09-2012, 10:36

Hi all.

I continued my tested on the proper functioning of [Msx-Audio Bios 1.3 OPL4 Stereo] injected into the Music Module instead of Moon Sound which would require the implementation of hardware support EPROM.

All tested positive and are summarized below

1) Games OPLL with the [INIOPL / WRTOPL] are played simultaneously in PSG on MSX, in the OPL on Music Module, and in OPL4 Stereo on the Moon Sound.
Here is the recording => http://igalsirour.hautetfort.com/media/02/00/3872324351.mp3

2) Games OPL are played simultaneously in PSG on MSX, in the OPL on Music Module, and in OPL4 (Drum Only) on the Moon Sound.

3) The game [Firehawk with Frs Patch] is played in OPL4 stereo mini-jack on the Moon Sound only. (no music PSG or OPL)
Here is the recording => http://igalsirour.hautetfort.com/media/02/00/4184241760.mp3

In case there would be an important detail here is the configuration used to play [Firehawk with Frs Patch] (3 Slots are Amount Required).
1) SLOT 1 => The Music Module [MsxPro Expander / Frs] + [Bios 3.1 OPL4 MSX-AUDIO Stereo]
2) SLOT 2 => Gilberto Slot Expander
3) SLOT 2.0 => Sunrise CF + [Firehawk with Frs Patch]
4) SLOT 2.2 => Moon Sound 2.1

I hope these details will help you and those who are afraid to weld son on the Moon Sound.

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