MSX AX-330 with built-in Nintendo hardware ...!!

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By alhofan

Rookie (21)

alhofan's picture

16-11-2012, 01:15

mars2000you wrote:

You can convert the wav file to a cas file, then read the content of the cas file, but at this step, generally, some useless bytes need to be removed and you have finally the rom.

Useful tools :

- wav2cas (CAStools) : http://home.kabelfoon.nl/~vincentd/
- msxtaper : http://www.konamito.com/msx-taper-1-0/

You can send me the wav (or the cas) files and I'll make the last step

mars2000 AT skynet.be

(replace AT by @)

OK I will send you the wav files...

By alhofan

Rookie (21)

alhofan's picture

16-11-2012, 04:24

I could not send it to your email because of the files large size...over 60Mb !!
3 WAV files in one compressed Zip file...bios , 32k rom and 16k rom.

Download links for any one who need it ...

2400 baud ...
http://goo.gl/JfDLg

1200 baud...
http://goo.gl/5JRYc

By alhofan

Rookie (21)

alhofan's picture

16-11-2012, 07:40

Some members say they have difficulties with Download sites...
here is new links from my own server...

2400 baud ...
http://goo.gl/g1T7y

1200 baud...
http://goo.gl/NaEwJ

By mars2000you

Enlighted (6402)

mars2000you's picture

16-11-2012, 12:03

The 1200 baud files are the good files to make the conversion to cas (with the -np parameters), then to extract and 'adjust' the rom.

Rom in slot 0-0 is the MSX1 BIOS rom, it's slightly different from AX-170 bios rom, as we have an intro screen with only the message "MSX system version 1.0".

Rom in slot 2-0 is the MSX1 arabic rom, it gives the menu with the same 5 options as for the AX-170 machine :

http://msxblue.com/manual/ax170.htm

Rom in slot 0-1 seems to be conceived to communicate (? modem), but I don't know how to access to the special menu; when looking at the rom, I can see following texts : NRUTER - SEMAG - SEZAM - REPPOH - BRUC EMIT - NI KAERB - EPYH - IKS ENIPLA - RETOOKS - REDIR NOOM - RECAR TT - TI EKANS

So, we have an Arabic MSX1 with MSX2 VDP and probably a special modem; I guess other options and menus appear only with the NES part.

By mars2000you

Enlighted (6402)

mars2000you's picture

16-11-2012, 12:54

Well, looking more closely at these texts, you need to read them from right to left (as it's the case with Arabic language) and we have : RETURN - GAMES - MAZES - HOPPER - TIME CURB - BREAK IN - HYPE - ALPINE SKI - SKOOTER - MOON RIDER - TT RACER - SNAKE IT

So, no any special modem rom, but a rom with a menu to the built-in games ... but how to access to this menu ? And where are these games ?

It corresponds to this picture :

Probably the dump of the rom in slot 0-1 is not complete, we should have a megarom with these games, but here SaveROM with the good parameters (Ascii8 megarom ?) needs to be used and I guess it's better to have an external diskdrive

By mars2000you

Enlighted (6402)

mars2000you's picture

16-11-2012, 15:05

Correction : I had "switched" 2 roms ...

Rom in slot 0-1 is the Arabic MSX1 rom, uncomplete dumped rom in slot 2-0 is megarom with games

If I select ASCII8 or ASCII16 as mapper for the rom in slot 2-0, there are 2 extra options in the main menu and I can access to the game menu and to another menu !

So, the only remaining problem is the complete dumping of this megarom oO

By alhofan

Rookie (21)

alhofan's picture

16-11-2012, 18:56

Thank you very much for your efforts

Today I was talking with Bifi on this subject ... he said I need to use Saverom....and i need a external FDD or CF IDE for that... Sad
I talked to sunriseformsx.nl about the CF IDE...the answer was "No more and Never again !" Sad

Can I modify the GETROM.BIN source...to make it read from the MegaRom ?

By mars2000you

Enlighted (6402)

mars2000you's picture

16-11-2012, 19:21

Maybe you can modify the GETROM source, I know that it can handle Konami mapper for 512 kb roms
But the problem is double :
- we don’t know the exact mapper (Ascii 8, Ascii 16, or a variant)
- we don’t know the exact size (between 30 x 16 kb = 480 kb and 30x32 kb = 960 kb)

If the rom size is bigger than 512 Kb, probably GETROM can’t handle that, even modified

Probably, the best thing to do is to find a MSX diskdrive (+ build a cable) OR use an eprom reader.

By alhofan

Rookie (21)

alhofan's picture

16-11-2012, 19:40

Nice Job...but must get the megarom...I think i will get a MSX FDD ...any suggestions where to get one ?

By RetroTechie

Paragon (1563)

RetroTechie's picture

17-11-2012, 08:20

Just a thought - wouldn't the Arabic ROM be something along the lines of Kanji / JIS ROM for Japanese systems (charset graphic data), therefore standard and likely the same as in other Arabic MSX machines? (mass-produced mask ROM etc). Might be a megaROM as well.

Comparing the BIOS / Basic ROM with that of other MSX1 machines, should provide clues about how it's controlled. The difficulty here is probably more how to get that data onto tape / floppy / flash card...

The ROM(s) that hold the NES games might not even be accessible within the MSX system, but more a 'set game #, toggle a hardware control to make the NES part take over' kind of thing. (and personally I couldn't care less about the NES games in there Wink ).

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