FPGA64 for DE0 Nano, DE1, DE2-35

Keyboard main keys :

• F11 toggle joystick emulation port A or port B on numeric keypad.
• F12 toggle PAL / NTSC (some VGA monitor doesn't synched at 50Hz )

DE0 Nano switch :

• key0 reset cpu
• gpio_1_in0 toggle PAL / NTSC mode at startup (use F12 after startup)
• gpio_1_in1 toggle15KHz (RBG SCART) / 31KHz (VGA)

DE1 switch :

• key0 reset cpu
• sw6 toggle PAL / NTSC mode at startup (use F12 after startup)
• sw9 toggle 15KHz (RBG SCART) / 31KHz (VGA)  

DE2 switches :

• key0 reset cpu
• sw1 toggle PAL / NTSC mode at startup (use F12 after startup)
• sw0 toggle 15KHz (RBG SCART) / 31KHz (VGA)  

 JiffyDos shortcut :

• /FB load file browser from IEC drive
• run 
• @cd< goes out of D64 (< is the left arrow symbol not the 'less than' symbol)
• @cd/ goes up one dir level
• @cd// goes to root dir