Using Carnivore 2, Nextor and SofaRun

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By MajorTOM

Master (161)

Аватар пользователя MajorTOM

25-01-2021, 18:31

Manuel wrote:

Did anyone get Aleste 2 running properly with sofarunit? I get a reboot when switching to disk 2.

Hi , I am new user of C2 with Sofarun I tried the Aleste2 Disk version with SofaRun with No success neither,
Moreover I Flashed the latest ROM version from Aleste2.rom (v.8.0 from filehunter) and also used the Aleste2.RCP file provided by Alexey, but NO success neither.

Really dissapointed not being able to play my favorite MSX Game (Aleste2) with the new carnivore2!!!

Anyone could help me?

Big Thankyou!!!

By Manuel

Ascended (18151)

Аватар пользователя Manuel

25-01-2021, 20:07

I am playing the disk version using SofaRun (which is internally using SofaRunIt). It needs a patch to run properly as Louthrax said:

Quote:

Have a look at the sequence 212940DCC9D0 in the disk images and replace them with 212940000000.

This code is making a direct disk BIOS call to the "All disks stop" routine. It was working fine with previous versions of Nextor, but a recent change broke that.

With this, no need to flash it.

By Louthrax

Prophet (2406)

Аватар пользователя Louthrax

25-01-2021, 20:43

Hi MajorTOM,

Can you check what is displayed before the ROM is launched ? There's a line with "Device:". It should say "Carnivore 2 - Flash". If it says "Memory mapper", it's probably because you have not reserved an entry in the Carnivore 2 for SofaROM. That's detailed here:

Note for Carnivore 2 users:

You have to reserve an entry for SofaROM in the Carnivore 2 flash memory in order to use it (the Carnivore 2 can be flashed in RAM mode without doing that, but the size is limited to 720KB). Here's the procedure for it:

    Extract one of the file in CARNIROM.ZIP depending on the space you want to reserve for SofaROM in flash memory. Go to the SofaROM directory, and type:

    SUZ E CARNIROM.ZIP SOFAROM1.ROM

    SOFAROM1.ROM will reserve 1MB in flash memory, SOFAROM2.ROM will reserve 2MB, etc...

    Flash the extracted ROM file in the Carnivore 2 flash memory using C2MAN.COM or C2MAN_40.COM (the same way you flash a normal ROM).

    Reset you MSX.

The ROM version should work on Carnivore 2. As Manuel said, the disk version should also work on newer Nextor versions with the patch described (it was working on previous version, but something has changed).

By MajorTOM

Master (161)

Аватар пользователя MajorTOM

26-01-2021, 22:16

Hi Louthrax,

First of all THANK YOU so much for your reply and congratulations for the Sofarun, I am devoted fan of!!

I´ve tried 2 different ways to flash the Aleste2.ROM with same resutl

1- Flashing the C2 from the Sofarun Menu, I ´ve reserverd up to 4MB dedicaste space for Sofarom4 for this purpose and I have followed all the steps

2- Flashing the C2 directly from the C2MAN software using the RCP file for Aleste2.rom

In both cases I got the very same result, when I run the Aleste2.rom I get the 1st blue screen from the game "Press any key to start / do not sell".... but no matter which key is pressed, it seems the system gets freezed on that screen and I can not go further that step....

Maybe the problem is with my MSX2 ? but frankly speaking never had an issue with any other ROM, however I never tried any other 2MB ROM size!!!

Hope some has been also struggling with the entry screen of the game...and has a solution for that

By Louthrax

Prophet (2406)

Аватар пользователя Louthrax

26-01-2021, 22:54

Thanks for the nice words Smile

Yeah, that really looks like something related to the ROM, it should work.

Can you describe what is your MSX machine (model, memory, other cartridges inserted) ? Do you have non-default settings in SofaRun (CPU speed, video mode, etc...). Maybe try with resetting all settings to default (main sofarun settings and the game settings) ?

The nice thing with the Aleste 2 ROM version compared to the disk version is that you can patch it for JoyMega (if you have one), and press a button to access pause and speed selection.

By Manuel

Ascended (18151)

Аватар пользователя Manuel

26-01-2021, 23:04

Why don't you just run the disk version?

By MajorTOM

Master (161)

Аватар пользователя MajorTOM

27-01-2021, 17:06

Hi,
I am using the standard Panasonic FS-A1 basic configuration, no additional cartridges but the Carnivore 2 (default configured as RAM+IDE+FM+SCC) and default Sofarun settings
probably it´s the ROM problem, but I have downloaded differente ROM versions (lastest I know is the v.8) and alwways can not go beyond the intital "press-any-key-to-start-screen"...

Regarding Manuel´s comment why I am not using the DSK version, I have downloaded and concatenated the 3 disks in one DSK file and I used to play this DSK version with my former MEGARAM+MAPPER Fractal cartridge with no problems but with the new Carnivore 2 , it sounds to complex to me how to patch this DSK file in order to make it compatible with the Carnivore2..

Any help will be more than welcome!

By Manuel

Ascended (18151)

Аватар пользователя Manuel

27-01-2021, 17:14

Just edit it with a hex editor and search for the sequence given by Louthrax. Then replace the with the new sequence. There are about 5 occurrences, if I remember correctly. Then it runs fine with the new Nextor kernel.

Which Nextor kernel are you using? Perhaps you have an older version and the patching isn't even necessary.

By MajorTOM

Master (161)

Аватар пользователя MajorTOM

27-01-2021, 20:15

Thanks Manuel!

Unfortunatelly not very computer literated!! so I am afraid I am neither able to use a HEX editor nor to mofify a given DSK or rom image...

Regarding the Nextor kernel, I am using the one built-in the latest version of Carnivore2 (v2.40 update) so I guess it may be the new one...

Is there a way you could send me the already modified DSK image so I just can Sofarun it directly ?

Muchas Gracias Manuel!
:-)

By Manuel

Ascended (18151)

Аватар пользователя Manuel

27-01-2021, 21:10

It's not the Carnivore firmware, but the Nextor kernel. In Nextor/MSX-DOS, type: VER and you can check the output.

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