Matty&Mattie Portable.

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Atari maniac
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Matty&Mattie Portable.

Postby matej » Mon Sep 12, 2016 2:37 pm

I started my own opensource project (game console / home computer) to support Olimex iMX233-Micro board.

Webpage will be:
Forum will be:
(I hope 20.9.2016 will be everything online)

I will call my game console "Matty" as it is nickname for my real name Matthew (Matej).

I have choosen minimalistic and ultracheap ARM sbc board (Olimex iMX233-Micro) but one with good documentation
of SOC. And yes whole board is very well documented (fully opensource - GitHUB). So in future
there is possibility of own manufacturing derivate of it!
I know there are powerful Raspberry PIs and other very nice complex SBC boards. But this one is very retro and very indie...
This board is by very well known manufacturer (they can produce 1000s boards) but is highly
underestimated (no development like on Raspberry PI). Manufacturer of SOC writes on their page long time support for it (2025-2030). So I have decided to support it in this way!!! And other and main reason is that I allready own 2x at home...

Some specs:
32Bit Risc ARM CPU / 454MHz
TV PAL/NTSC video output
720x480 pixels (NTSC)
720x576 pixels (PAL)
16,777,216 (24-bit color depth)
Pixel Processing Pipeline (PXP)
1 USB High Speed Host
Three buttons
Stereo headphone DAC with 99 dB SNR

Compare to Nintendo 64:
CPU: 64-bit NEC VR4300 (MIPS R4300i) running at 93.75 MHz
GPU: 64-bit Reality Coprocessor, running at 62.5 MHz
Audio: 16-bit, stereo, CD quality
4 MB RDRAM (Rambus DRAM) on a 9-bit 562.5 MB/s bus, upgradable to 8 MB with Expansion Pak
ROM cartridge (Nintendo 64 Game Pak) bus running at 264 MB/s
Resolution: 240p (320×240), 288p (384×288), 480i (640×480), 576i (720×576)
Color palette: 16,777,216 (24-bit color depth), 2,097,152 possible colors (21-bit color) on screen

So it is not so powerful as todays PCs or RPi3 but it is very powerful as retro game console (like N64, PS1, Jaguar, 3DO, CD32).


Price will is 19Euro / cca. 20USD. Also there will be 3D printed case (I will do full documentation as I am 3D CAD engineer and open source it). Design will be like little SNES or GENESIS. I plan to have forum for development, cms website, wiki page and every half year PDF MattyMagazine.
I also will do some coding / pixelart / chipmusic competitions there too!!!

All developers will be welcomed! I will make also MattyTeam (MattyLinux,Games,Ports,Language Translations,Magazine,MattySpace Events).
There is allready linux image for that board so we will just add GUI there... There will be place on my site for other indie and retro software houses / developers (download games, apps from my page).
Also games/apps will be levelware. If you will love game (few levels will be free) you will be able to buy
extra level game pack...

Tools for development:
C++, C ,Pascal, Basic, Lua etc etc...
TileStudio / Tiled - sprites+map (PNG, MAP)
Milkytracker (XM,MOD) - music

MattyLinux will be very small just normal Linux + very simple gui like on PSP or old Nokia Phones (game loading menu, gamepad settings etc).

Please welcome to discuss your ideas here.

Have a nice day.

Last edited by matej on Mon Sep 12, 2016 2:46 pm, edited 1 time in total.

Atari maniac
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Re: Matty&Mattie Portable.

Postby matej » Mon Sep 12, 2016 2:40 pm

You can allready buy it! For all developers here you can buy original "Matty" (Olimex iMX-233-Micro).
List of distributors (WORLDWIDE):

You can get Matty everywhere!!!

There is no audio out on board. So you need wire two pins. So yes it is DIY game console :D!!!

Here is how big is Matty (in the middle, red prototype enclosure) vs. Raspberry PI2 (left) vs. Raspberry Pi Zero (Right).
So Matty is very small and cute (smaller than original RPi).

First We should make linux distro image, than nice game console like enclosure (3d printed) + buttons.
I will burn fuses, wire audio out by myself or there will be tutorial on
Also I will make few consoles kits for EU market in future (also you are welcome to 3D print and assemble them for your town or country - I like idea of local manufacturing). So people will get enclosure, board (with burned fuses),
stereojack mounted on case, audio pins and cable wired and USB retro gamepad from you...
So subbrands will be highly welcome! Remember MSX,PC,Android strategy was? There was lot of manufacturers and one platform.
And there is RetroBit Matty under development (white pcb, stereocinch on board, 4x DB9 Atari joystick)!!! As it is fully opensource!!!!

And it is Linux. So easy to use some C++ game library and MOD files and Tiled, Tile Studio.
For 3D maybe some 3D engines from DS or TinyGL!

During weekend I will setup cms, forum...

Also I am thinking about "Mattie" = Portable Matty (composite TFT+battery+gameboy like 3d printed case and buttons, paddle knob)... Modern handheld for chipmusic, games...

Let me know if you want join MattyTeam or MattiePortableTeam...

Atari maniac
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Posts: 97
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Location: European Union

Re: Matty&Mattie Portable.

Postby matej » Mon Sep 12, 2016 2:41 pm

Here is Fabiano Traple RetroBit Matty version!!!
RetroBit - Matty Compatible with 4x DB9 - Sega Genesis / Atari Joystick ports and
2x Cinch for Audio. So I will do 4x boards for experiments.

Here is His GitHub:

Here is board layout:

So with Fabiano´s RetroBit board, Matty is slowly evolving to new platform.

For now there are 2 Matty platform compatible boards:
Olimex Olinuxino-iMX233-Micro

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Captain Atari
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Re: Matty&Mattie Portable.

Postby farvardin » Mon Sep 12, 2016 4:40 pm

it looks interesting, but isn't 64 MB RAM a bit too short?
I've seen the C.H.I.P. has more power and ram, for a smaller price. Wouldn't it be more appealing?

Atari maniac
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Re: Matty&Mattie Portable.

Postby matej » Mon Sep 12, 2016 7:34 pm

They have big investor behind them and successful crowdfunding (so they sell HW cheaper than real manufacturing price is). I do not want compete with them or Pi Zero. I think 19Euro is good price its like 3x Coffee Latte in town... For low res 2D games in 720x480 pixels (NTSC) or 720x576 pixels (PAL) and MOD/XM music is 64MB lot of. There is small Linux for embedded systems so no huge ram eating OS.

SONY PSP have almost similar specs (even little bit lower than MATTY imx233).

CPU - MIPS single-core (333mhz)
GPU - Single-core (166mhz)
System RAM - 64mb DDR (333mhz)
Video RAM - 2mb
Resolution - LCD 480x272 (sub-SD)
Media - 900mb UMD, 1.8gb dual-layer UMD

Here is what you can do with 64MB and 32bit Risc CPU...

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