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.

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”

New product in developpement; Amiga RGB to YPbPr (components) video converter

As announced last year, we developped an RGB to YPbPr video converter for Commodore Amiga computers. This adapter enables you to connect your old Miggy to virtually any new LCD screen or television.

Since the 1084S has around 30 years now, many Amiga enthusiasts now struggle to get a new screen or want to use their actual television to play their favorite games.

(Pardon my discected A2000 on the bench. It’s the test mullet !)

color_bars_amiga

This adapter use a fairly simple analog method to convert the signals and the color-space.
The idea is to use the best video scaler you already have in your house; your LCD screen. Many flicker fixer and scaler solutions nowadays propose a complex and unreliable hardware. Our solution is straight forward.

video_module

It works with 60Hz NTSC and 50Hz PAL models in both Interlace and non-Interlace modes. (Verify if your LCD screen can take this non-Interlace mode).

colorbars_zoom

My old workbench looks nice on my TV!

workbech_lcd

Production of this board should start Q2-2017.

USB joystick adapters are back in stock!

USB_atari_plain
After a one month shortage, our USB joystick adapters are back on sale.
No hardware modification was made to it so it’s 100% compatible to any 3.0 software.
Here is the list of current joystick compatibility:

  • 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

USB floppy emulator shipping resumes today

Gotek USB floppy emulator
After a one month shortage, our USB floppy emulator are back on sale.
It comes with the HxC firmware and an 8GB USB key ready to go.
Compatibility of these devices is wide:

So your old machine will look and feel like a new one!

Original Joystick adapter design from 2000

Original Joystick Adapter

In 2000, I designed a simple Atari numeric joystick to IBM PC analog joystick port adapter. This adapter was simply a voltage switcher that converted joystick movements to 0v, 2.5v, 5v (2.5v is centered stick). Easy you would say, but that was a bet I took with a friend that told me it was impossible to connect an Atari Joystick to a PC. This is where everything started… We are 16 years later and this quest for retro gaming is more present than ever!

As you can see, schematic was pretty simple…old_joy_schematic