Altera Terasic DE1 - hoglet67/BeebFpga GitHub Wiki

Slide Switch Settings

The key switches are as follows:

  • SW9 - down BBC B, up Master 128
  • SW8 - down Mist Scan Doubler for VGA, up RGBtoVGA Scan Doubler for VGA
  • SW7 - down 15.875KHz sRGB; up 31.5KHz VGA
  • SW6 - unused
  • SW5 - unused
  • SW4 - BBC B DIP 4
  • SW3 - BBC B DIP 3
  • SW2 - BBC B DIP 2 - Screen Mode
  • SW1 - BBC B DIP 1 - Screen Mode
  • SW0 - BBC B DIP 0 - Screen Mode

SPI Tube Connections

See: DE1 SPI Tube Connections