Wiki editing discussion

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By Manuel

Ascended (17941)

Manuel's picture

21-02-2021, 10:38

The ML-G10 article also claims a 64kB memory mapper. Also guessing?

The problem with guessing is that the reader doesn't know it's guessed and thus will read it as a fact. Please always document guesses explicitly.

Does someone know which slot the I/O port on the back maps to?

By mars2000you

Enlighted (5916)

mars2000you's picture

21-02-2021, 10:49

Fixed, based on openMSX ML-G1 machine (and also on ML-G1 page).

By Manuel

Ascended (17941)

Manuel's picture

21-02-2021, 13:58

gdx wrote:

I have a Garakuta based ESE-RAM which has it's mirrors.
Long ago I also noticed this mirrors on other Megaroms but I no longer remember the titles.

Can someone who has an original Garakuta make a picture of the PCB of this cartridge?

By gdx

Enlighted (4492)

gdx's picture

21-02-2021, 15:01

Manuel wrote:

The problem with guessing is that the reader doesn't know it's guessed and thus will read it as a fact. Please always document guesses explicitly.

Yet this is how the wiki evolves. When we find no complete information we put what we know with more or less certainty, and then later if we or someone else finds the right information, simply replace it.
If we don't put anything for lack of certainty, the wiki remains empty.

By Manuel

Ascended (17941)

Manuel's picture

21-02-2021, 17:40

I don't mind that, but it helps if the information status is marked. So, if there's a source, mention a source, if there's guessing, just say that it's guessed. Then it is not so easy to take a guess as a fact, which is very misleading. It will even cause wrong information to get duplicated by others or seen as 'confirmed' because it's in the MRC Wiki.

By Manuel

Ascended (17941)

Manuel's picture

21-02-2021, 17:50

Manuel wrote:
gdx wrote:

I have a Garakuta based ESE-RAM which has it's mirrors.
Long ago I also noticed this mirrors on other Megaroms but I no longer remember the titles.

Can someone who has an original Garakuta make a picture of the PCB of this cartridge?

hap investigated for MESS which cartridges use which PCB's. Garakuta is on TAS-1M0165, this is the full list of games (known) to use that PCB:

  • Oekaki Soft - Garakuta
  • A-Class Mahjong
  • Dungeon Hunter
  • Girly Block
  • Strategic Mars
  • Victorious Nine II - Koukouyakyuu Hen
  • Zoids - Chuuoudai Riku no Tatakai

So, let's try to dump 0-FFFF of these games. Who can help?

By Pentarou

Champion (375)

Pentarou's picture

21-02-2021, 18:13

gdx wrote:

Using an FPGA just to make a classic SD interface seems disproportionate to me.

The Intel/Altera MAX device visible in the photo is NOT an FPGA, but a CPLD.
This device has too few gates inside, so there's not a chance that it could emulate an SCC.

Perhaps you could also add the link of the Original thread

And Erik's web page.
Which can still be accessed via Internet archive's Wayback machine.

By Manuel

Ascended (17941)

Manuel's picture

21-02-2021, 18:22

I dumped Zoids from 0-FFFF and there is only 0xFF between 0-3FFF and C000 and FFFF. So no mirroring.
I also dumped Strategic Mars in the same range and it shows exactly the same. So, no mirroring...

So thus far, still no evidence that there is mirroring. gdx: you could simply be misremembering, perhaps?

On a sidenote: the dumps also confirm that both 16k pages are the same initially for both games:
547372f1044a3442aa52fcd2b3546540aba59344 mars.00
84278a001747d08981d22d4a01976048391d41f7 mars.01
84278a001747d08981d22d4a01976048391d41f7 mars.02
0b68ad14658fbc941ba5adb2105850e547403fb6 mars.03
547372f1044a3442aa52fcd2b3546540aba59344 zoids.00
def118d760ce0b3985467658d87366ec7cc940d5 zoids.01
def118d760ce0b3985467658d87366ec7cc940d5 zoids.02
0b68ad14658fbc941ba5adb2105850e547403fb6 zoids.03

(because the game is in a slotexpander, the last byte of the 64k dump is not 0xFF, that's why page 03 is not the same as page 00.)

By gdx

Enlighted (4492)

gdx's picture

22-02-2021, 10:01

I done wiki pages for the MMC/SD Drive v3 & v4. There are some uncertainties. So if someone find errors or things missing please correct them or talking about it here, there's no point in getting upset. (Isn't it, Sharksym!) Wink

Manuel wrote:

I dumped Zoids from 0-FFFF and there is only 0xFF between 0-3FFF and C000 and FFFF. So no mirroring.
I also dumped Strategic Mars in the same range and it shows exactly the same. So, no mirroring...

Why are you in such a hurry to delete it? The wiki does indicate that many MegaRoms do not have these mirrors.

By Pencioner

Scribe (1423)

Pencioner's picture

22-02-2021, 10:01

User manual link on both pages is completely wrong, it is for some other device, official manuals was published in this post

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