MegaFlashRom ripoffs?

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By Vampier

Prophet (2275)

Vampier's picture

01-08-2018, 00:45

I saw this post on facebook yesterday. https://www.facebook.com/groups/msxbrasiloficial/permalink/2...

Now it could be that the person didn't know about the MFR or knew about it and though 'hey that's a good name! let's use it for my product too!' either way... this stuff should not happen even in a small scene like the MSX one.

I look to use a full SD card form factor and not sure if it's has SCC or a memory mapper etc.

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By Meits

Scribe (5336)

Meits's picture

01-08-2018, 02:01

Got some more info for people without a facebook account? They don't see anything but the name of the group.

By sd_snatcher

Prophet (2959)

sd_snatcher's picture

01-08-2018, 02:53

There are two very different types of cartridges in that box:

1) MegaFlashROM compatible

It's based on the classic model that was just a mod on Konami cartridges. It has nothing to do with the FPGA-based MFRSCC+SD. But AFAIK this cartridge is based on a Konami4 cartridge version.

2) SD-Mapper interface

Not sure if it's the 512KB or the 1MB model though. I'm under the impression that it's an 1MB model.

By FiXato

Scribe (1508)

FiXato's picture

01-08-2018, 02:57

Meits wrote:

Got some more info for people without a facebook account? They don't see anything but the name of the group.

PDF dump of the post and comments in original language
PDF dump of the post and comments translated to English

By l_oliveira

Hero (519)

l_oliveira's picture

01-08-2018, 03:13

Flash cartridge is based on JIPE's Konami4 megarom mapper design: http://msxvillage.fr/forum/topic.php?id=1001#m18640

SD cartridge is the SD Mapper design from Fabio Belavenuto, modified by MetalGear2 (http://msxvillage.fr/forum/topic.php?id=3113#m72703)

All of these projects have been provided as open source and can be freely built by anyone.

Funny enough, all of these cartridges with SCC implementations on FPGA that are being "defended" here seem to be based on K. Tsujikawa's work taken from 1-chip MSX codebase. Nobody remembers that, right?

By fernando.collazo.5682

Master (236)

fernando.collazo.5682's picture

01-08-2018, 03:48

I hear nothing but silencie...

By gdx

Prophet (2620)

gdx's picture

01-08-2018, 04:26

Projects resumed/based/copied on the others are common on MSX. MegaFlashRom is not an original project. The first MegaFlashRom has been made by Tsujikawa (based on his Mega-ESE-RAM). The difference is that it has been improved/changed progressively. Now SCC and other chips have been integrated in FPGA as for the MSX1chip also developed by Tsujikawa.

The real problem is that only few people have the honesty to say what their project is based on. Some even make-up and give vague information to the sale to make buyers fantasize.

By Guillian

Prophet (3201)

Guillian's picture

01-08-2018, 09:07

Seems some people have difficult reading or understanding. If you check MFR user's manual you can see that K. Tsujikawa worked on them. In fact, he developed them with me. So it is a product he is aware of, he helped in the development and I have his authorization for producing them.

So... nobody remenbers that, right? I hear nothing but silence? who is not honest?.... Silence....

By Meits

Scribe (5336)

Meits's picture

01-08-2018, 11:15

Whatever it is, who made it, or who did or did not approve with this cartridge, I think the name is somewhat confusing. Guillian used the name first.

By gdx

Prophet (2620)

gdx's picture

01-08-2018, 11:36

Meits wrote:

Guillian used the name first.

No! Megarom, MegaSram and MegaFlashRom were used well before. That is not a particular product name.

By Guillian

Prophet (3201)

Guillian's picture

01-08-2018, 11:58

gdx wrote:
Meits wrote:

Guillian used the name first.

No! Megarom, MegaSram and MegaFlashRom were used well before. That is not a particular product name.

AFAIK, I was the first one using MegaFlashROM name.
Can you prove MegaFlashROM was used before? Any link?

Also, any comment about your previous post and statements?

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