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Famicom/NES dumps / MiWi2 (VT168) Dumping Attempt
« on: September 28, 2017, 09:35:18 AM »
- davidstech
- Sep 28 2017, 07:00:37 AM
After something like 6 years (it's scary how time flies) I found the MiWi 2 cartridges lying about and wanted to get on with what I planned all those years ago or something and dumping them.
I've built a somewhat crude setup to do so, and am at least obtaining consistent dumps but unfortunately they won't run in EmuVT. Looking at the dumps a bit closer, the reset and interrupt vectors
appear in the right place for a OneBus ROM (0x7fffc for reset), and at least in the sports cartridge points to what starts off looking like valid code but then starts to go wrong. Strangely in the games cartridge it appears off by one.
Interestingly the code before the code pointed to the reset vector matches exactly what I found in a VT168 demo ROM. The string "WISE@DJJUNGLE.COM V1.0" appears 8 times (7 times plus the menu likely) in the sports ROM and 9 times in the games ROM, which again also appears in the VT168 demo ROM so may be included automatically by one of the VRTech tools rather than a credit per se - Wise Wang of Djjungle is also credited in EmuVT.
Also the string "BY S.MATSUOKA & S.IWATA" appears in the games ROM which I believe will be from one of the original NES games they ripped.
I do want to build a better dumping setup which I will hopefully have done in a couple of weeks which should rule out any possibility of bad dumps once and for all; but the strings and consistent results mean I think
that is fairly unlikely. It does appear that the VT168 has a small built in boot ROM so maybe they're doing some trickery in that.
The ROMs at present are linked below if anyone with wants to have a look - I would be interest to hear from anyone with more Famicom or OneBus dumping experience.
Sports: http://davidstech.net/games/miwi2/MiWi%202%20Sports%207%20in%201%20(VT168).7z
Games: http://davidstech.net/games/miwi2/MiWi%202%2016%20Arcade%20Games%20+%20Drum%20Master%20(VT168).7z
I've also ordered a few bits from Taobao as this has somewhat reminded me of my interest in pirate and obscure games...[/quote]WHAT? IT EXISTS? PLEASE PLEASE PLEASE MAKE IT PLAYABLE ON GAME BOY ADVANCE PLEASE, THIS WAS MY BIGGEST DREAM 8D