[Rafael] just made a little library that allows you to interface these modules to the Atmega328p-based Arduino UNO in order to gain ... Our guess it that an SPI / I2C IO extender could lift ...

[Damian Peckett] has implemented an Apple ][, its 6502 processor, and a cassette port, all on an Arduino Uno. If that wasn ... in all its glory on a modern LCD monitor, driven by a microcontroller ...

except the LCD segment driver, serial sound interface and asynchronous timers Some libraries that are optimised for the AVR architecture used in the original Arduinos, such as the Uno R3, may need to ...