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Posted: Wed Sep 21, 2016 8:23 am |
BcnAbel76, please look for converting 'Double Dragon: The Revenge of Billy Lee' if possible.
Conversions for the three Shining Force games would be great too. |
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Posted: Wed Sep 21, 2016 8:39 am |
The Mega Man one is coming along very nicely!
Unfortunately, there seems to be an issue on my Emulator (since I can't afford a flash cart). After a Game Over, the only sounds that play are just one single high pitched tone and the junk graphics on the border are... a bit messed up. Still, thank you so very much for making a load of progress on Mega Man! I'm sorry if I'm sounding too greedy for asking all this of you. |
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Posted: Wed Sep 21, 2016 7:49 pm |
Hello!
For Wesker: I am looking to port many games, don't worry For JomasterII Don't worry, to learn is to ask The Game Over Screen uses only gg resolution, then garbage apperars out this resolution. When game start again at Sega Logo Screen, you see the same information but the images forms logo, as bad done puzzle. If no info should be data 00, then it charges image 00, depends where you are in game ;) |
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Posted: Thu Sep 22, 2016 4:40 pm Last edited by BcnAbel76 on Thu Sep 22, 2016 4:47 pm; edited 1 time in total |
New 2 Games :
Doraemon - Nora no Suke no Yabou V1.0 GG2SMS: - "Down Arrow" 2nd controller Start/Pause - Full palette conversion - GG ports removed - Checksum fixed - Now is a Master System Rom - Run in Real Hardware - Very playable !!! - Enjoy Conversion by BcnAbel76 |
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Posted: Thu Sep 22, 2016 4:44 pm |
Shinobi II - The Silent Fury V1.0 GG2SMS:
-"Down Arrow" 2nd controller Start/Pause - Full palette conversion - GG ports removed - Checksum fixed - Now is a Master System Rom - Run in Real Hardware - Very playable !!! - Enjoy Conversion by BcnAbel76 |
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Posted: Sat Sep 24, 2016 11:09 am |
Game Gear MegaMan is the only Sega 8 bits system game, I try to conversion to Master System for it
After several days of rom hacking.. (Yesterday was a rainy day, It becames a intense work day) A small introduction: Megaman is created in USA exclusively by the company Freestyle, structure programming not look anything other ROM I've ever seen. The programming of the color palette is the foundation of this game, and that is where the conversion to Master System becomes tedious. Precisely the basis of Game Gear to Master System conversions is to detect writing palette, add a routine that modifies the data, and write it correctly. In this game I have detected a lot of hits to the palette, for example only 1 or 2 colors. This is strange because you usually write the entire palette. Game Gear data consist of 2 bytes and 1 byte Master System, that makes access to the palette is chaotic and nothing matches where must to go. Ladies and Gentlemen, 22 years before, and NOW !!!!!! MEGAMAN Playable at Sega Master System !!! Megaman V0.5b GG2SMS - Detected and corrected multiple palette writing - Restored Megaman blinking routine - Fixed checksum, working in Real Hardware - Optimised code for clear palette, in some stages you shot enemy and "lights" turn off - Maybe you found in game some colors don't are ok, let me know if possible, savestate or similar, and for correct try to pause game, and continue playing, (I don't play all game for now) - Game looks now incredible :) For future versions: - I try to correct scroll and center the background is a bit more up than it must to be. - Remap Start Button - Move life bar top left |
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Posted: Sat Sep 24, 2016 12:54 pm |
My god, this is actually amazing. It's beautiful. I love it. You have done INCREDIBLE WORK, SIR. Good job, good job!! |
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Posted: Sat Sep 24, 2016 4:11 pm |
You're doing great !
If my notes are correct, you can move the player's life bar by changing the values at $2528B (X) and $25270 (Y) ;) |
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Posted: Sat Sep 24, 2016 7:47 pm |
Thankyou all !!!
Vingazole, your notes are correct, the add instructions sets life bar X, Y Can you say me where I can find VDP Scrolling, I read $09 and $0A, but writting $BF port??? I've to learn about it, I can see VDP registers in emulator but I don't know how modify them. Thankyou |
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Posted: Sun Sep 25, 2016 6:11 am |
Is there a fix planned for the Galaga 91 hack? It's impossible to fire secondary weapons without pausing the game. | |
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Posted: Sun Sep 25, 2016 7:22 am |
The scrolling is defined by the VDP registers #8 (horizontal) and #9 (vertical). To write "x" in the register #8, you must successively write the value "x" followed by $88 on the port $BF. With Meka, you'll be able to find such operations in the game by setting a breakpoint in the debugger : b w io BF =88 |
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Posted: Sun Sep 25, 2016 1:56 pm |
Wow!!! Thankyou vingazole, you open me a new hacking door.
I supose then writting $BF 89 then sets data to vertical scrolling? BrianC, for now I am not working in it |
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Revo
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Posted: Sun Sep 25, 2016 2:24 pm |
@BrianC: With an Hexa editor you can put "DB DC EE" at $3C7 then you will have start configured on down player 2 ant button 2 will be button 2.
@BcnAbel76: For Megaman you can active the left column blank by putting "3E 26 D3 BF 3E 80 D3 BF C9'' at $89. |
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Posted: Sun Sep 25, 2016 9:37 pm |
Helo Revo.
Just working perfect, thankyou very much! ;) Some games I can add this option. |
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Posted: Tue Sep 27, 2016 9:05 pm |
Working hard.
I can now move backgrounds but for now I don't find where Megaman inits screen, then he is flying Last little update: MEGAMAN V0.51 GG2SMS: - Moved life bar top up left , (thankyou vingazole) - Implemented left column blank (thankyou Revo) Conversion by BcnAbel76 |
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Posted: Wed Sep 28, 2016 4:38 pm |
Thank you. That did the trick! |
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Posted: Thu Sep 29, 2016 6:08 pm |
New 2 Games:
Coca Cola KId V1.0 GG2SMS - "Down Arrow" 2nd controller Start/Pause - Full palette GG to MS conversion - Run in Real Hardware - Deleted GG ports - Japanese or English version ( Translated by filler ) - Fixed Checksum twice versions - Known minibug in 1st stage, 1 plattform don't showed correct - Very playable ! Conversion by BcnAbel76 |
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Posted: Thu Sep 29, 2016 6:13 pm |
Samurai Shodown V1.0 GG2SMS
- "Down Arrow" 2nd controller Start/Pause - Full palette GG to MS conversion - Run in Real Hardware - Deleted GG ports - Fixed Checksum - Very playable ! Conversion by BcnAbel76 |
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Posted: Sat Oct 01, 2016 1:17 am |
Hello again:
Coming soon "Lunar - Sanpo-suru Gakuen / Walking School" Game looks awesome... Conversion by BcnAbel76 |
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Posted: Sat Oct 01, 2016 1:07 pm |
Ben Awesome job with the games!
I have 2 comments, pls don't take this the wrong way, Its just my personal opinion and probably nobody elses. Besides, you've done some seriously great work here :) Anyways, let the gripery commence: Down on the 2nd controller for start doesn't work for me, because I only have one controller. Could it be possible to clear out the nmi handler and throw a kludge in there to kick the start/pause functionality? Or possibly have start take button A of the first controller and leave pause on 2nd down? GG Aleste II conversion has way too many vdp glitches to be playable (for me). I think one issue is that the scroll registers for the top part of the screen aren't being written or used, maybe they can be adjusted? Do you think anything can anything be done? best regards, - dink |
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Posted: Sat Oct 01, 2016 3:36 pm |
On those games where the start button isn't used in-game but actually only to start the game, I think it should be remapped to button 1, also because on the SMS pad its name is 1/START already... | |
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Posted: Sat Oct 01, 2016 9:57 pm |
Hello,
Thankyou for your comments, dink & sverx I try to explain why "2nd Controller START/PAUSE" : (FOR NOW) I am working in many games. Every programming game is different. You must add and remap code. If game colors doesn't show correct, you can't play. Sometimes is difficult locate palette writting, I remember, I am reading code.......... PAUSE Button in Master System is not a normal input, it is an interruption mapped to a specific code line START Button in Game Gear is an added address, not compatible with Master System, reading this port game crash HARD JOB is to rewrite palette ready for use in Master System/Genesis/MegaDrive, maybe more code is required for game boots, no crash or programming errors occurs For now I try to port all relevant exlusive games Remap Start/Pause to 2nd controller is "easy" for now ---------------- In Future, I'll upgrade all my ports remaping Start/Pause to a more efficient button/s, if ROM is not full, because It needs add more code, ---------------- I think the best is: a) Games when you Pause, and game only Pauses, remap Title Screen to 1 and in game to Pause b) Simultaneous for example Up+1, if gameplay is not affected c) Games when you Pause, and menu option is called, use a MegaDrive/Genesis controller, maybe 2 hacks added, 1 for console and 1 for emulators. (Emulators don't show Start Button in Master System mode) d) Use Pause Button as START and PAUSE ( Use Pause Button requires your console is near you, some games I think better gameplay is Pause in controller ) ;) Enjoy playing |
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Posted: Sat Oct 01, 2016 10:18 pm |
Sorry sverx, I don't conversion GG Aleste II | |
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Posted: Sat Oct 01, 2016 11:07 pm |
Hello again:
Enjoy this great RPG game ! I made conversion, and I surprised, english translation patch crash my moddified ROM. Then I remade conversion readdressing my code to do compatible with this great rom hacking translation made in 2009 by Aeon Genesis / SGST This game was designed in full resolution, it looks now fantastic in Master System, scrolling well and no garbage. English patch + Master System patch = 1024 KB (8 Mbit) + 16Kb Backup Japanese patch + Master System patch = 512 KB (8Mbit) + 16Kb Backup LUNAR: - Sanpo-suru Gakuen / Walking School V1.0 GG2SMS - "Down Arrow" 2nd Controller Start/Pause - Full palette conversion - Fixed checksum - Japanese or English - Coded compatible English Translation 2009 by Aeon Genesis / SGST - Master System ROM - Working in Real Hardware - Funny, very playable - Enjoy and apprecite community job 1996-2016 Conversion by BcnAbel76 |
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Posted: Thu Nov 03, 2016 2:45 pm |
Thank you very much for this game!!!
It is a shame that the English patch increases the size above 512 kb. Is there a method to make a cartridge with a 1 megabyte game? |
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Posted: Thu Nov 03, 2016 4:05 pm |
Yes, you can get a 1MB mapper from some Game Gear games, or use an Everdrive. | |
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Posted: Thu Nov 03, 2016 8:50 pm |
Hello again!
I stopped conversion games for 2 reasons, before I was on holidays, and now my computer crashes :'( But don't worry, I'll be back, ... soon Thankyou law81 !!! |
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Posted: Fri Nov 04, 2016 9:08 am |
I just tried this. It seems to me I could go in-game without ever having to press any key on 2nd controller. Pressing 'pause' instead, crashed the game (but that's not a big problem of course...) |
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Posted: Sun Nov 13, 2016 6:06 pm |
Hello again!
Small update: MEGAMAN GG2SMS V0.52 - Deleted tile at boss select/intro screen - Adjusted colors to Master System palette at Sega, Capcom Logos and main menu screen - Thanks Revo to colaborate - Conversion by BcnAbel76 |
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Posted: Thu Nov 24, 2016 6:05 am |
It's great to see all these GG games being converted to SMS. Thanks to everyone working on that.
I encountered an issue with Royal Stone. It was playing fine (on a Genesis NTSC Everdrive) until Round 5 when I tried to equip a captured monster. It crashes when I try to use or see the status of the monster. All the regular characters work fine so far. |
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Posted: Thu Nov 24, 2016 9:48 pm |
Hello,
For try to see this issue you may share a savestate or share your savegame. Japanese or English version? It can be an issue from original game, issue from translation, issue from GG2SMS conversion, issue from incompatibility with megadrive/everdrive hardware ... Best regards, BcnAbel76 |
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Posted: Sat Nov 26, 2016 12:02 am |
English version. Here's the rom I was using - http://www.filehosting.org/file/details/621271/Royal%20Stone.sms | |
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Posted: Wed Nov 30, 2016 3:17 am |
Nice Job on Converting
I wish you guys are skilled at making Games look like it was made for the Master System, Not the Game Gear |
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Posted: Sat Dec 03, 2016 10:29 pm |
Hello again:
Thankyou KnightWarrior NeoZeedeater, I need your savegame to see issue. You also can probe it loading gamegear rom and your savegame playing at emulator, and determinate problem is or not in original rom ;) |
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Posted: Sun Dec 04, 2016 2:22 am |
I can't figure out how to retrieve the saves. I assumed the Everdrive saves to the rom itself. It doesn't have save states like an emulator. When I play the rom I was using on an emulator, the save section is blank. | |
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Posted: Sun Dec 04, 2016 9:38 am |
The Everdrive copies it to a file when you start another game. | |
Revo
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Posted: Wed Dec 07, 2016 11:19 am |
GG Portrait - Pai Chen v1
Garbage screen sometimes. Controls: 1 & 2 |
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Posted: Thu Dec 08, 2016 6:28 am |
I want to learn how to Convert ..This is my 2017 goal
What Steps do I need to start? I know it will be hard to learn, and lease I will try it I would have to know Z80, How the GG, SMS Colors work |
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Posted: Thu Dec 08, 2016 10:35 am |
Madou Monogatari I V0.9 GG2SMS English
- START Button is Start, (needed Megadrive/Genesis controller) - Full palette conversion - No garbage :) - Fixed checksum, and master system rom - Added English translation, thankyou filler, SSTranslations - Known bug pressing START will press UP, it does intro game escaped and go directly to game, help for fixing appreciate :) - Work in real hardware Conversion by BcnAbel76 |
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Posted: Thu Dec 08, 2016 10:55 am |
I would say, learn how the SMS VDP works first, then observe the (few) differences of the GG VDP. |
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Revo
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Posted: Thu Dec 08, 2016 10:58 am |
Conversion already done (see page 8). Would be nice to update some forgotten conversion page 7 & 8.
GG Portrait - Yuuki Akira v1 Garbage screen sometimes. Controls: 1 & 2 |
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Posted: Thu Dec 08, 2016 11:15 am |
Hello again
Yes, Revo, I see now, it is not in Game Gear to Master System page, then I think it is not done. Then it would be an upgrade using megadrive controller, but hack is done by 0 KnightWarrior, you need a debugger, but for learn you need to read and read. I started with this chrismcovell page http://www.chrismcovell.com/segahacking/gg2sms.html |
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Revo
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Posted: Fri Dec 09, 2016 8:33 am |
Shanghai II v1
Button 1 & 2. Garbage screen up screen in-game. Sometimes crashing on the wait screen on Meka, no problem with Emulicious. Should work on real hardware. |
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Posted: Fri Dec 09, 2016 8:09 pm |
I thought you said you'd be updating your own pages now?: http://www.smspower.org/forums/post89735#89735
I'll update everything now. How should we handle Madou Monogatari I? There's a patch from Revo labeled v0.1 and BcnAbel76 labeled v0.9. Should I just add BcnAbel's as a continuation of yours? Also, adding these in the format you post them is extremely time-consuming. I don't mind helping, but I'm extremely busy and (no offence to this awesome site or anyone here), other things have to take priority sometimes. I'll post a how-to of the best way to submit these files. |
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Revo
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Posted: Fri Dec 09, 2016 8:35 pm |
Well adding stuff on this website is a pain in the ass so I quickly gave up. I will try do update the next one (if I do one by day it should be fine), thank you for your help.
Yes it's ok as BcnAbel's version is an improvement (configuration of Start on the MD controller). |
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Revo
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Posted: Fri Dec 09, 2016 9:03 pm |
Can you remind me how to create a new page? Trying to do Pete Tennis page without success... | |
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Posted: Fri Dec 09, 2016 9:07 pm |
I'm actually working on that right now. I'm almost finished with all of them, but I had a question: For Madou Monogatari II & III WIP v0.1...will that same patch work on both games?
Also, I just finished updating the first post with formatting requirements. |
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Revo
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Posted: Fri Dec 09, 2016 9:14 pm |
Thank you for updating the first page, very helpful.
For Madou 2 & 3: No. I put the 2 roms in the same .zip but you have to do 2 different .ips files. |
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Posted: Fri Dec 09, 2016 10:33 pm |
All pages have been created / updated. Please let me know if I missed anything or made a mistake.
Also, all ROMs were tested and seem to be working on real hardware. The only game I had an issue getting running was Lost World, but I believe you said there were issues with that one anyway. |
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Revo
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Posted: Fri Dec 09, 2016 10:51 pm |
Cheers mate, you didn't forget anything.
For Lost World I need to fix the left column blank problem (not before 2017 'causes I need some notes back home), v0.1 should work on real hardware. I will slowly update all pages with new screenshot. edit: about your list: http://www.retrorgb.com/gamegeargames.html Wild Snake is missing. Street Hero and Rastan Saga are compatible with SMS. |
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