boards.txt
add seperate Arduboy and Arduboy FX board support
Arduboy2.cpp, Arduboy2.h
change use of avr eeprom library instead of Arduino eeprom library.
Arduboy2core.cpp
fix SH1106 display code end timing
remove sparkfun name from IDE option menu
add Arduboy2 library version 6.0.0 changes
add SH1106 I2C display support to Arduboy and Arduboy2 library Thanks to @evgenykzz2
add experimental code for extra X and Y buttons to Arduboy2 library
add alternate wiring support to Arduboy2beep Thanks to @menehune23
update Arduboy2 library HardwareTest sketch
add link to Cathy3K Repo in bootloader folder
add contrast option to IDE option menu
Add display option for Noritake GU12864-800B display
fixed bootloader reserved lock bits values
Use Arduino core as default for all boards
SDA flash chip select is dubbed official and selected as default
RX flash chip select is dubbed original
fixed incompatibility with Arduino IDE 1.8.13
Update Arduboy2 library to 5.2.1
bootloader support for alternate flash chipselect SDA
reverted Sprites.cpp
added checkBatteryState checkBatteryStateLED functions to Arduboy2 library
update cathy3K bootloader with menu scrolling and progressbar