SNES/SFC - Yuyu no Quiz de GO!GO! ROM Bank issue? about cartreader HOT 5 CLOSED

The internal rom name of "Yuyu no Quiz de GO!GO!" is one character too long so it overwrites the byte that the Cart Reader uses to identify lorom or hirom with "!". "!" is 0x21 in hex which is used for hirom games so that's why the OSCR thinks it's a hirom game and dumps incorrectly.

Something similar has happened with Krusty's Super Fun House (U) 1.0 & Contra 3 (U): https://github.com/sanni/cartreader/blob/master/Cart_Reader/SNES.ino#L1003

A special case needs to be added for "Yuyu no Quiz de GO!GO!" something like this:

else if (strcmp("3BB0", checksumStr) == 0) { // Detect invalid romType byte due to too long ROM name (22 chars)
romType = LO; // Yuyu no Quiz de GO!GO!
}

from cartreader.

If you choose Force Cart Type from the same menu as Read ROM, and choose LoRom, does that not work?

from cartreader.

It does not, it reports back something different. What it reports back is as follows:

Checksum.... EEC0!= 3BB0
Invalid Checksum
CRC32...93A8BC26 -> Not Found

from cartreader.

That’s good to know, thanks for the insight @sanni ! I’ll test it when I get home from work later this evening and let you know how it goes. Taking a look at the code, I have no doubt that it’ll work.

My next curious question is, is there a way to simplify this so that instead of there being multiple instances of “special cases” that this becomes a case of “if over 21 characters, shorten”? Or (and this may be a huge but messy suggestion) is there a way to possibly read the cartridges in the sense of reading it and/or changing the data to show the cartridge label, for example SHVC-YY?

from cartreader.

Following up on this, I added the lines as follows:

romType = snesHeader[0xFFD5 - headerStart];
if ((romType >> 5) != 1) { // Detect invalid romType byte due to too long ROM name (22 chars)
} else if (strcmp("3BB0", checksumStr) == 0) {
romType = LO; // LoROM // Krusty's Super Fun House (U) 1.0, Contra 3 (U), Yuyu no Quiz de GO!GO!
} else if (romType == 0x35) {
romType = EX; // Check if ExHiROM
} else if (romType == 0x3A) {
romType = HI; // Check if SPC7110
} else {
romType &= 1; // Must be LoROM or HiROM
}

Added the line as intended above the "romType = LO" and just changed the descriptor for the LoROM line to include Yuyu. Just to decrease any added clutter.

The game backed up just fine and loads in emulators no problem. Thanks for the help, Sanni! I'm not sure if my suggestion earlier made sense or not, it was more of a "driving to work" thought than anything. Maybe it makes sense or is too complicated.

from cartreader.