SCC don´t work in SCC Games.

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By Paulo Volkova

Expert (104)

Аватар пользователя Paulo Volkova

13-02-2014, 21:10

Hello.

When I use the game "Nemesis 2" or "Penguin Adventure" with SCC+, in OpenMSX, don´t have SCC sound.
I activate '"scc" or "scc+" in extensions list, but no luck.
I tryed with Panasonic FS-A1GT and others machines and the result is the same.
In BlueMSX emulator, these games sound correctly.
Thank you.

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By Manuel

Ascended (15618)

Аватар пользователя Manuel

13-02-2014, 21:39

But those games do not support SCC or SCC+...

By Hrothgar

Champion (479)

Аватар пользователя Hrothgar

13-02-2014, 21:41

Nemesis 2 does.

By luppie

Paladin (854)

Аватар пользователя luppie

13-02-2014, 21:43

I think that Nemesis 2 does support SCC.

I have the original with a switch in it. Probably the switch is for switching the PSG on/off Tongue Running Naked in a Field of Flowers

By Manuel

Ascended (15618)

Аватар пользователя Manuel

13-02-2014, 21:46

Uh, yeah, oops, I had Penguin Adventure in mind Smile but Nemesis 2 works fine with SCC. YOu don't need to insert a separate extension, the game cartridge has the SCC built in (openMSX knows that). This only works if you run it as a ROM image, of course. Not a cracked disk version.

By mars2000you

Enlighted (5488)

Аватар пользователя mars2000you

13-02-2014, 21:48

And no need to add a SCC to play Nemesis 2, the rom is defined with the KonamiSCC mapper, the emulators enable the SCC support with this kind of rom.

By Paulo Volkova

Expert (104)

Аватар пользователя Paulo Volkova

13-02-2014, 22:07

Manuel, I have a ROM version (128kb). How to detect if a ROM is a true SCC or not?
When playing the game in Panasonic FS-A1GT, in "Audio Controls" (OpenMSX) the sound out by PSG volume and the SCC+ don´t have any sound.

By mars2000you

Enlighted (5488)

Аватар пользователя mars2000you

13-02-2014, 22:40

Which is the sha1 value of this rom ?

Most ROM versions of this game have the KonamiSCC mapper (see above), but there's one version with ASCII8 mapper :

Quote:

dump>
original value="false" />
megarom>
type>ASCII8
hash algo="sha1">fd7b23a4f1c2058b966b5ddd52cf7ae44a0eebb0
remark>
text>Needs SCC in slot 2
/remark>
/megarom>
/dump>

As indicated in the blueMSX database, you need to put a SCC cartridge in slot 2 (not in slot 1, occupied by the game rom).

By Paulo Volkova

Expert (104)

Аватар пользователя Paulo Volkova

13-02-2014, 22:57

Mars2000you.
The sha1 value is 1434386454c776800cba3805c4041b0105c2f71f.

By mars2000you

Enlighted (5488)

Аватар пользователя mars2000you

13-02-2014, 23:07

This is not Nemesis 2, but a SCC+ version of Nemesis 1.

In blueMSX, it is directly supported as it is detected by the infos in the database.

Quote:

dump>
original value="false" />
sccpluscart>
boot>scc+
hash algo="sha1">1434386454c776800cba3805c4041b0105c2f71f
/sccpluscart>
/dump>

I don't know how it is supported in openMSX, maybe there's an error in the openMSX database.

By Manuel

Ascended (15618)

Аватар пользователя Manuel

13-02-2014, 23:10

openMSX doesn't support SCC+ ROM images, because this is not existing MSX hardware. See https://sourceforge.net/p/openmsx/feature-requests/214/

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