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  1. What is ZX-Uno? 
    Basically it's a FPGA based board focused in the synthesis of ZX Spectrum computer models. It has the same size of a Raspberry Pi (85.60x56mm) so it would fit into a RasPi case. There are other 8 bit machines in development to be implemented under the same hardware.

  2. What machines would fit into the FPGA? 
    Firstly it's intended to the whole range of ZX Spectrum machines and extra features like ULAPlus, Turbosound, etc, but also will accept other machines with the same or less complexity. Only will fit 8 bit machines with a maximum size of 512Kb between ROM and RAM, with a simple hardware to shyntetize (nothing about hardware sprites or similar stuff). This is the actual list of supported machines:
    • ZX Spectrum     
    • SAM CoupĂ©       
    • Jupiter ACE     
    • Apple ][        
    • Master System   
    • Acorn Atom      
    • BBC Micro       
    • Acorn Electron  
    • Oric Atmos      
    • VIC-20          
    • Nintendo NES    
    • Atari 800XL     
    • Atari 2600      
    • Colecovision    
    • MSX1          
    • C64              
    • PET
    • PC/XT             

  3. Which connectors are included? 
    The board is designed to use the same enclosures as the Raspberry Pi ones, so the connectors follow the same layout and are the next:
    • Video: Composite video throw RCA connector, RPi case compatible.
    • Audio: Stereo audio throw a 3.5mm stereo jack, RPi case compatible
    • Keyboard: PS/2 connector in the same place of the Ethernet connector in the RPi case
    • Power: Regulated 5V throw a micro-USB connector, RPi case compatible
    • Joystick: DB9 Atari port, in the same place of USB ports in the RPi case
    • Storage: SD card, RPi case compatible
    • Tape Load: 3.5mm jack conector, next to the JTAG/RGB connector. Not RPi compatible, you must make the hole
    • Expansion: 3x12 female pin header, in the same position of the RPi layout
    • RGB and VGA: 9 pin Micro-JST connector in place of HDMI connector of RPi. Custom cable allows VGA and Scart output.
    • JTAG: 6 pin Micro-JST, internal connector.

This version includes new W25Q128 flash chip that allows up to 45 simultaneus cores. More info at its official web page: