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SMS Power!








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Mission Statement

Active since 1997, we are an international force of enthusiasts interested in the following gaming/computer systems:

All generally refered to as "Sega 8-bit" systems, being 8-bit Z80 CPU based Sega systems.

Our project:



Unreleased Lemmings 2: The Tribes for the Master System and Game Gear

Posted Sun Apr 13, 2014 2:56 pm by Bock

We had an unexpected surprise this morning! Programmer Matt Taylor who we contacted years ago popped up on our forums to drop final builds of the unreleased Lemmings 2 both in their Master System and Game Gear incarnation. This less-known sequel puts Lemmings on steroids with about fifty abilities ranging from "flame thrower" to "icarus wing" over twelve different worlds, requiring time to adjust and understand the different tools at your disposal.

The game conversion was then completed on SMS, GG and Game Boy within Spidersoft. but only the later version was released. By the word of Matt the Game Gear version was the best of all three. You can read more about it and other work directly from Matt Taylor on the Lemmings 2 (SMS/GG) forum thread.

Lemmings 2: The Tribes for the Master System

Lemmings 2: The Tribes for the Game Gear

Merely twenty years after its development, the game is available for all to enjoy. Enjoy!

Also remember to check out our development & music competition entries this year :)

SMS Power! 17th Anniversary Competition entries

Posted Thu Mar 27, 2014 11:04 pm by Bock

Wow, we've turned 17 years old ! (*).
As with every year, Sega 8-bits enthusiast gathered to compete in our Coding & Music competitions, and we've got an interesting line up to share with you. Please check them out and vote!


Coding Competition 2014 - Entries

2048 by Grz-
2048 by Sanqui
BOoM by vingazole, ichigobankai, furrtek
Bruce Lee by Kagesan
Colossal Cave Adventure SAM Edition by haroldoop
Minesweeper by efry
Porkopolis by dragonfeet
PSGlib demo by sverx

P.S.: BOoM requires a custom 4-player multi-tap adapter to be built for the game and therefore is unlikely to be playable. Emulators may add support for this custom hardware in the future. Rate as you feel!

Music Competition 2014 - Entries

Individual Bullet Patterns by tibone
Metro-Cross by doommaster1994
PSG Tune ! by TmEE

* we are almost legal, apart from all those ROM dumps.

Operation Taiwan! (Late) Releases Part 5

Posted Fri Dec 20, 2013 6:51 pm by Bock

Today we resume our holidays operations with a first batch of unusual Taiwanese releases. Back in the mid eighties days in Taiwan, there was an interest to convert MSX software to the Sega systems, much like they did in Korea. However while in Korea the only Sega 8-bit system was the Master System (Gam*Boy) line-up of hardware, boasting 8 KB of RAM, in Taiwan the dominant system was the Aaronix SG-1000 II which has only 1 KB. Some MSX1 software would get away with only 1 KB but not all of them.

A certain series of Cartridges released by DahJee and Jumbo took advantage of a RAM extension adapter that they built to solve this specific issue. Therefore we've got here the first dumps of cartridges that requires a specific adapter to function.

Two types of adapters exists and one of them maps the extra memory in the 0xC000-0xFFFF address range which is compatible with the Master System. In other words, the dumps using this technique would work as in on a Master System. The other adapter type increase the memory in the 0x2000-0x3FFF address range and cannot work without the adapter - and they require support from emulators.

Read more about the DahJee / Jumbo adapters.

A first batch of games:

Bomberman Special for the SG-1000. The purple cartridge is the DahJee version which requires the extra RAM. It has a DahJee bumper screen and a title screen in the Chinese. The green cartridge has a title screen in English and works without the extra memory.

The Castle [MSX Port] for the SG-1000. So this is an unlicensed port from the MSX to the SG-1000 which isn't the official port Sega released. The audio appears to be a bit dodgy but it doesn't have the small graphics glitches when pushing objects. The Castle is a truly excellent exploration game with some of the best puzzles you'd find on the system.

Knightmare for the SG-1000. Classic Konami vertical scrolling shooter.

And The Legend of Kage for the SG-1000.

Finally we've got the European dump for Zool - Ninja of the Nth Dimension for Game Gear, previously unavailable. The Japanese dump was the only one available for a long time, and an US dump has been released fairly recently (not sure from where - but it matches my own dump, and I have included on the page because it isn't too common).

Sega8bit & SMS Power! 2013 Event - 10th August

Posted Fri May 10, 2013 9:16 pm by Maxim

In recent years, our friends over at the Forum have been organising meetups in Manchester (UK), where people play (mostly) Master System games, trade, chat and generally have a bit of retro fun. There's also a competition - with a real trophy - to add a frisson of additional excitement to the proceedings. Oh, and it's in a pub, so there's food and drinks if you like those sorts of things.

Many of the regulars there are also regulars here, and I've been a few times myself (I'm even the current trophy holder, somehow). If you can make it to Manchester for a Saturday afternoon this August 10th, you are welcome to join in.

(There's no sport on that Saturday, by the way. Except maybe some Olympic Gold, California Games, Pro Wrestling, etc...)

The best place to discuss it is over at the official thread at the Forum, where you can post to say you're coming. This year I'm organising the competition - and excluding the games I'm good at - so there's some discussion to do for that, too.

SMS Power! 16th Anniversary

Posted Thu Mar 28, 2013 6:54 am by Maxim

SMS Power! was founded (with the name SMS Camp) just over 16 years ago. That makes me feel old... In those years we have been collecting and publishing information about Sega 8-bit happiness and awesomeness, making our little corner of the Internet better as time goes by.

One part of that is to continue creating things, and that's why we have competitions every year, and this year is no exception. If you visit the Competitions forum you will find Sonic music played on a church organ, prog rock Donald Duck music, a new video player for the Master System, the world's first homebrew Light Phaser game, and much more.

We would like you to enjoy all of the entries, post comments on what you think of them - both good and bad feedback is welcome - and next we'll start voting on them to decide which we like the best. Good luck to all the entrants and thanks to them for the brilliant creations! It's SMS Power's birthday but we all get the presents!

Gradius 2 / Nemesis 2, Cutthroad Island [Proto], etc.

Posted Sun Mar 24, 2013 8:11 pm by Bock

Hello all !

Our 16th anniversary and competition day are fast approaching. There's still time for you to come up with a music or coding submission, however humble it is there's a lot to learn from putting something together.

We've got 3 dumps releases today to keep others patient for the release of competition entries.

The Nemesis saga continues with the ultimate cosmic adventure...

Let's get started with the main course. After releasing Gradius last year, we've got a dump of the even rarer Nemesis 2 / Gradius 2 (그라디우 2) for the Master System / Samsung Gam*Boy. Released by Zemina in 1987, this version is also based on the original MSX1 classic.

For some reason the game always run in "Penguin mode" which was originally unlocked by plugging a Pengun Adventure cartridge in the second cartridge slot of a MSX. This could be an intentional modification that Zemina made, or perhaps a side-effect of the game reading unexpected data and interpreting it as Penguin Adventure. I'm sure people will find a way to re-enable the original Metalion ship.

We've also got a Prototype of Cutthroat Island for the Game Gear, the brilliantly implemented fighting game by Software Creations, released in 1995.

Finally we've got the US release of Scratch Golf for the Game Gear. Until now only the Japanese dump was available.

I am still in the process of completing a full redump pass of the Game Gear library and could do with some help with the rare games. If you have complete collection of the US and European libraries and willing to lend some cartridges for dumping, please contact me.

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