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    Reverse engineering 161 in 1 cartridge to change Rom games

    Have you tried cutting the dump in half and then doubling the first half back to 512mb? Maybe that's all it needs. 512Mb version has a24, where the 256mb only goes up to a23. I'm looking at the sources to see how it can be edited if this doesn't work...
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Thank you for the patch zardam. I notice sometimes pulling up the debug bios screen with either 1p + 2p start or 1p start + ABC sometimes isn't working. Same with the hold B to get back to the menu. I'm on a MV-1C. Has anyone else tested this bios patch?
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Finally got my 161 in 1 working. I somehow ended up with a vtxcartmain directory that had the cpld files from before the 3gb patch, but the newer compiler. Took me forever to figure out what my problem was, sheesh. Working good now. big thanks to Vortex and everyone involved in helping with this...
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    Mark of the Wolves Reverse Engineering thread

    It was taking up too much of my life. Had to cut if loose. Would be too much work trying to rewrite the bank switching for me, and not knowing if that's all it would need.
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    Mark of the Wolves Reverse Engineering thread

    @ekorz can you enlighten me on how this sub routine and dword are loading the 1MB sections into 68k 200000 ram? Offset 58EEC sub_58EEC: move.w (word_2FFFF0).l,d0 andi.w #$FF,d0 rts ; End of function sub_58EEC -=-=-=- Offset 2FFFF0 ROM:002FFFF0 word_2FFFF0: dc.w $8000 ; DATA...
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    Mark of the Wolves Reverse Engineering thread

    The 68k ram 200000-2fffff wasn't bank switching in mame, that's one of the reasons why it's crashing there. The program rom makes writes to 0x2FFFC0 that tell it what program bank to swap to. Mame was saying 'unmapped memory address' when it calls for these in the error log. I have no idea why...
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    Mark of the Wolves Reverse Engineering thread

    Patch doesn't work on the 161 in 1. Came up with the same error that Fgto79 had on his darksoft cart. Dagnabbit.
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Getting my cart compiled and noticed the ArcadeTV menu files are in darksoft format with a c m p s and vrom filenames. The original files are just a p s and a vrom not named like the darksoft filenames. Do we just edit the new menu filenames and the compiler will automatically use the extra c...
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    Mark of the Wolves Reverse Engineering thread

    @ekorz most of what you wrote makes sense. How were you able to come up with the address 0x1fea as handling the tile data?
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Anyone know what the difference is between samsh5fe and samsh5fep? The m1 rom is 512kb, but past 256kb is just the 2nd 128kb chunk mirrored 2 times. Edit: doh, it says it right there in the archive link, fe is final edition and fep is final edition perfect. I'm only seeing the archive for...
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    Mark of the Wolves Reverse Engineering thread

    Guess KOF2000 is next to fix for the 161. Most tiles looks good with the neoragex patch posted in the main 161 thread. The character names on the select screen are the main problem, they take too much tile space. The original font for this will have to go to make it fit. The left facing assist...
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    Mark of the Wolves Reverse Engineering thread

    Here it is. You can test this in neoragex 5.0 or 5.2a. Grab it from archive dot org and apply the ips patch to the p1 and s1. Let me know if you find any glitches. https://drive.google.com/file/d/1GYdUTipF8YyrYWiI8O_pGh4P0jmUCjP7/view?usp=sharing Asked fgto79 to test this new set on his...
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    Mark of the Wolves Reverse Engineering thread

    Thank you ekorz. Going to be getting at the P/S Icons next. Your post is perfect timing. I'll have to site down and digest all what you said. Still not sure what a 'word' is, need to google that. Think the win icons are figured out. The first byte is a prefix for the the first nibble of the...
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    Mark of the Wolves Reverse Engineering thread

    Here's how to setup the environment. The mame rom is garou.zip. The file below has the modified mame called 'neogeod.exe' which has the bank switching disabled. https://drive.google.com/file/d/1tWs52SX_xovwqFQ3w7BvnqMxs0ARRKvz/view?usp=sharing There are also 2 ips patches that you can apply to...
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    Mark of the Wolves Reverse Engineering thread

    Making progress. Combo, reversal topdown, ect works. Life bars and special gauge redid. Just have to do the icon for the S/P above the power gauge and the win icons. It all fits in 128kb so far without having to overwrite the neo geo into splash screen. Still haven't tried it on a 161 in 1 yet...
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Best version I found so far is from a neoragex ver 0.6 with roms set. It still has some corruption in the fix layer. I'm searching for another set, but it's hard to find patched roms for this old emulator. If nothing else we should be able to extract the data out of the original 161 in 1 roms...
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    Mark of the Wolves Reverse Engineering thread

    So it turns out mame has all the debug data unencrypted already when using the final version rom set. Couldn't figure out how the bank switching works. I fallowed this and was able to edit the Vram in these regions, but had no visible effect...
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    Mark of the Wolves Reverse Engineering thread

    I've been reading a lot about how the fix layer and the 68k work. Should be able to patch the prom to have it repeat addresses in the first 128kb range of the srom, in the parts where it addresses the other 3 banks. The first 128KB of the Srom has enough blank tiles and kanji tiles to edit it...
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    Reverse engineering 161 in 1 cartridge to change Rom games

    Good question. Probably, haven't compiled a game list yet. Open the srom up in a hex editor and you will likely either see that the first half is full, while the second half is empty. That, or the first and second half are the same. Used a hex editor to split the size in half.
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    Reverse engineering 161 in 1 cartridge to change Rom games

    A24 of the s rom(JS28XXX,) is left floating on the 161 CHA board. This address line is not connected to anything. This mean's the 161 can only address up to 256MB for the s rom, so it's fine.
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