More resources:

Type hdires at the "Byzantium II" screen. Enter a resource type between 1 and 12 and press [Enter] at the cursor that appears. Enter a quantity number up to 999 and press [Enter]. Return to the main screen to find a cargo pod with the selected resource at the pointer position. Note: This trick will not work if your character is the current regent.

View entire planet:

Enter the "Byzantium II" screen while a unit is in orbit around a planet or is on the planet's surface with movement points. Type hdimap to view the entire planet and All units

View All planet maps:

Enter the "Byzantium II" screen while a unit is in orbit around a planet or is on the planet's surface with movement points. Type hdiview to view All planet maps