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Bomberman Misobon Roulette

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1egato

Bomberbie

Status: Offline

Joined: 12 Oct 2024
Posts: 16

#1 Posted: Sat Feb 01, 2025 7:29 pm

Hello all. It's safe to assume that after a while, when I reappear, something Bomberman is sure to follow.

I was fortunate enough to find a listing of Bomberman Misobon Roulette for sale. I purchased it and now we have some photos of a few cabinet pieces, the PCB board, and a scan of the manual. Hot diggity! The manual is in Japanese and appears to be all technical information so I'm not sure what use it is, but it's there lol.

Here are a few photos:

Spoiler:

Now this is one of those games that hasn't been dumped yet, so I went the extra mile. I reached out to a fellow named Sean Riddle and sent him the board. He was able to dump the EPROMs in the form of .bin files. I have uploaded those files in addition to my pictures here: https://archive.org/details/bombermanmisobonroulette_202502

These files are being forward on to people in the MAME community. Nothing is guaranteed but at least we have some info and files to go off of. If anything develops from this, I will be sure to make an update, but for now, I wanted to share my findings with the community.

If anyone is able to make anything out of all this, do share it here with us! Not bad for a random find eh?

Denjin Bomber

Bomberbie

Status: Offline

Joined: 06 Jan 2025
Posts: 2

#2 Posted: Sat Feb 01, 2025 8:23 pm

Wow! I never thought I'd see someone archiving this game, good job!

1egato

Bomberbie

Status: Offline

Joined: 12 Oct 2024
Posts: 16

#3 Posted: Sat Feb 01, 2025 8:58 pm

Ya know I just posted this and I already forgot stuff!

I was working with Sean and he was able to determine the sound effects are in the "bon_adpcm_u31.bin" file. If you import it as raw data in audacity and choose VOX ADPCM as the encoding, you can hear them. We were unsure what the correct sample rate is but 14500 sounds pretty close to what you can expect from the Bomberman series at that time.

I just included the sound files on the archive link as well. In particular, file 26 in the sounds has this strange Morse code beeping going on. Anyone here wanna take a crack at solving that?

Also of note, Sean located some text within the other .bin files.

Spoiler:

Hu7-Monitor1996xxxxBy DANJURO

TEST MENUÿ...LAMP TEST\\SOUND TEST\\OUTPUT TEST\\INPUT TEST\\DIP SW CHECK\\HOPPER TEST\\COLOR CHECK\\DISPLAY CHECK\\PAYOUT INFO\\TIME SETÿ.C.SELECT=SERVICE DECISION=HOPPER\\ EXIT=TEST

.LAMP TESTÿ.Ž.SOUND TESTÿ.‰.BGM SE\\ H Hÿ.Ç.START SW : SOUND REQUEST\\SERVICE SW : GENRE SELECT\\HOPPER SW : NUMBER SELECTÿ.É.EXIT = SERVICE & HOPPERÿ.‡. ÿ.š. ÿ...OUTPUT TESTÿ...CANCEL=HOPPERÿ... ÿ.Î.INPUT TESTÿ.L.SERVICE :\\TEST :\\HOPPER :\\MEDAL :\\10YEN :\\100YEN :\\START :ÿ.Î.

DIP SW CHECKÿ.A.SW1(1-2) COIN SET\SW1(3-5) 100YEN > COIN\SW1(6-7) 10YEN SETÿ...SW2(1-3) PAYOUT\SW2(4-5) MAX CREDIT\SW2( 6 ) PAYOUT INFOÿ.Á.SW3(1-2) DEMO SOUND\SW3(3-4) START TIME\SW3( 7 ) RAM CLEAR\SW3( 8 ) TEST MODEÿ.D.SW1\12345678ÿ.P.SW2\12345678ÿ.\.SW3\12345678ÿ.Z.1MEDAL 1CREDITÿ.Z.1MEDAL 2CREDITÿ.Z.2MEDAL 1CREDITÿ.Z.3MEDAL 1CREDITÿ.š.10 COINÿ.š.8 COINÿ.š.7 COINÿ.š.6 COINÿ.š.5 COINÿ.š.0 COINÿ.š.12 COINÿ.š.11 COINÿ.Ú.1COIN 1CREDITÿ.Ú.1COIN 2CREDITÿ.Ú.2COIN 1CREDITÿ.Ú.3COIN 1CREDITÿ.œ.%ÿ.œ.%ÿ...ON ÿ...OFFÿ.Ú.1/1ÿ.Ú.1/2ÿ.Ú.1/3ÿ.Ú.OFFÿ...5 SECÿ...6 SECÿ...8 SECÿ...4 SECÿ.Z.OFFÿ.Z.ON ÿ.š.OFFÿ.š.ON ÿ.†.HOPPER TEST

COLOR CHECKÿ...0 1 2 3 4 5 6 7ÿ... RED\\\\\GREEN\\\\\BLUE\\\\\WHITEÿ...DISPLAY CHECKÿ.É.EXIT

SERVICE & HOPPERÿ.Ž.PAYOUT INFOÿ.J.DATE > - -\\TIME > : ÿ.…. TOTAL TODAY\\MEDAL IN :\100YEN IN :\10YEN IN :\TOTAL IN :\TOTAL OUT :\\DIP PAYOUT : %\NOW PAYOUT : %

TIME SETÿ.D.NEW:\ DATE > ????-??-??\\ TIME > ??:??ÿ.„.SET:\ YEAR > (1996-2011)\\ MONTH > (1-12)\\ DAY > (1-31)\\ HOUR > (0-23)\\ MINUTE > (0-59)\\ TIME SET

SERVICE SW : GENRE SELECT\HOPPER SW : NUMBER SELECT

Denjin Bomber

Bomberbie

Status: Offline

Joined: 06 Jan 2025
Posts: 2

#4 Posted: Sat Feb 01, 2025 10:41 pm

I just watched the voice clips and that's exactly what I heard!? Some of the reused clips from Super Bomberman 3 can be heard in the best quality in this game!

1egato

Bomberbie

Status: Offline

Joined: 12 Oct 2024
Posts: 16

#5 Posted: Thu Mar 06, 2025 3:29 pm

Hey all! Took some time but I have some news to share. Misobon Roulette is now finally playable! It was released along with MAME Romset 0.275. Check the archive link I posted above. I included the .zip file you can use for MAME.

Anywho, not much to report. The game's sound is a bit off and the hopper (the thing that lets you put in and receive medals) appears to not be implemented fully yet. It will give a "Hopper Jam Error" if you try to input or if you win any medals. Luckily, if you use the Service Input option (generally 9 on your keyboard) it will let you play. You can then use 1 on your keyboard to stop the roulette/throw bombs.

Not much to report otherwise. You can input up to 5 tokens at a time which increases the potential rewards. I must say, it's actually really hard catching any of the Bomberman in this game! When I have them perfectly, they seem to just, move right out of the way! I guess it can't be helped.

Here's a few screens below and with that, we can consider this game preserved I suppose. Nice huh?

https://ibb.co/pvBf37ML
https://ibb.co/hR8gqsnH
https://ibb.co/JjW81xLF
https://ibb.co/NdSNmbjM
https://ibb.co/fzxmLqMj

And a video! https://youtu.be/qaWuB--TJoo

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