Retronic Design Products

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Retronic design, like its name says, specialize in retro electronic device design.

USB joystick adapter
Our actual best seller is the USB joystick adapter. This adapter enable you to connect any Atari style joystick to a USB compatible machine (Like a PC, a MAC, a Raspberry Pi, …). The integrated microcode is simulating a standard HID joystick.

Actual compatibility list is as follow:

  • Atari 2600 Joystick
  • Atari 7800 Joystick (2 buttons)
  • Atari analog Paddle (2 players)
  • Atari driving controller
  • Atari video touch pad Keyboard
  • Amstrad Joystick (3 buttons)
  • Amiga Joystick
  • Amiga Mouse / Trackball (2 and 3 buttons)
  • Atari ST Mouse / Trackball (2 buttons)
  • Commodore 64 Joystick
  • Commodore CD32 Joypad (7 buttons)
  • Intellivision Touch pad (16 direction disc and 15 buttons)
  • Intellivision Flashback Touch pad (16 direction disc and 15 buttons)
  • ColecoVision Touch pad and Super Action Controller (16 buttons + spinner)
  • Coleco Gemini Joystick & Paddle (Hybrid controller, also compatible with Sears console)
  • MSX Joystick (2 buttons)
  • Sega Genesis Joypad (3 and 6 buttons)
  • Sega Master System Joypad
  • Sega Multi-Tap Adapter (4 players)
  • 3DO (Panasonic) Joypad
  • TI99/4/4a Joystick
  • FM Towns/Marty Joypad
  • Famiclone (NES clone) Joypad
  • Odyssey2 controller
  • Fairchild channel F controller
  • Bally/Astrocade controller
  • RedOctane Dance pads (6 buttons DB9 version)
  • ZX Spectrum Interface 2 Joysticks


Our second best seller is the USB floppy drive emulator.
It is compatible mainly with;

  • Amiga
  • Atari ST
  • Amstrad CPC
  • …and many other machines!

This is possible by using the HxC firmware, developped by Jean-François DelNero and his team over at hxc2001.com.

It comes with a 8GB USB stick preconfigured with all software and licences needed.

See side column for pricing and purchase information.

Many other products are currently under development.

First RGBS to YPbPr converter finally came out of pre-production

This is ou very first “pre-production” RGBS to YPbPr converter. Signal to noise ratio is exceptional and video quality too. It was fully tested on a video output from an Amiga 2000. It can be connected to any machine that outputs in RGBS standard, in both NTSC and PAL like arcade motherboards in cabinets, Sega Genesis, NES and Super Nintendo systems, Amstrad CPC, Atari ST and many many more.

External floppy drive adapter prototype underway

We’ve worked hard recently to build an external floppy drive adapter for the Amiga familly of computers.  It uses a male DB-23 connector and a female 34 header to externally connect three type of drives:

  • Gotek USB floppy emulator (HxC and others)
  • Amiga “Shugart” floppy drives
  • IBM-PC compatible floppy drive (in Amiga 880KB format).

Using a simple jumper configuration, you can connect these three type of drives externally.

Full production should be available mid Q3 2017 and will be sell at an approximative price of 40$ USD.

New RGBS to YPbPr video adapter prototype

After a long prototyping, testing and validating process, we finally have a perfectly working product without needs for calibration. Secret is that we designed around a gaming console video converter IC. This IC has been around for a long time now and has a perfect, noise free output.  It works with both 240p and 480i NTSC formats. It can also work with PAL 50Hz formats. No color bleeding on vertical edges nor flickering in interlaced mode. It’s even better that the original thing on a CRT!  My workbench screen of my Amiga 2000 is crisp and bright!

If everything goes well, it’s going into full production by mid Q3 2017.

RGB to YPbPr conversion vs new LCD TV

During my tests with the new RGB to YPbPr video converter I discovered an interesting (but painfull) limitation with new LCD TVs.

Amiga and most machines of ’80s and ’90 have a video output of 240p in resolution. This 240p corresponds to the “non-interlaced” 480i mode which was known under that name back then. Amiga native video mode is 240p but can be set to 480i. Remember that only 200 or 400 lines are usable in non-overscan mode.

New LCD TV are not equally compatible to this 240p video mode. My Sony Bravia supports it while my Sanyo don’t. A very nice article was written on this subject on the HD Retrovision website with a list of tested LCD TV.

Refert to that list to see if your LCD TV is “Amgiable”