interface = peripheral.wrap("basic_interface_2")
-- This connects the interface to the computer. You're not actually connecting the computer to the Stargate, but forwarding the commands through the Basic Interface.
-- The number for you might be different, but you can check it simply by right clicking the modem you use to connect the Basic Interface.

function dial(address)
   local addressLength = #address
   local start = interface.getChevronsEngaged() + 1
   
    for chevron = start,addressLength,1
    do
-- This whole loop has 3 functions:
-- 1. Rotate
    
        local symbol = address[chevron]
        
        if chevron % 2 == 0 then
-- This decides if the Stargate should rotate clockwise or counter-clockwise.
-- Clockwise if the chevron number is even, counter-clockwise when it's odd
            interface.rotateClockwise(symbol)
        else
            interface.rotateAntiClockwise(symbol)
        end
        
        while(not interface.isCurrentSymbol(symbol))
        do
            print("Feedback",interface.getRecentFeedback())
            sleep(0)
        end
-- This whole while loop is pretty much pointless and just for show. It only really monitors the state of the gate, but doesn't actually control anything
        
        sleep(1)
        print("Code",interface.raiseChevron())
-- This raises the chevron and gives you back its status
        sleep(1)
        print("Code",interface.lowerChevron())
-- This lowers the chevron (which encodes the symbol) and gives you back its status
        sleep(1)
    end 
end

abydosAddress = {26,6,14,31,11,29,0}
chulakAddress = {8,1,22,14,36,19,0}
lanteaAddress = {18,20,1,15,14,7,19,0}
-- These are the addresses, you can add more by just expanding this section

print("Avaiting input:")
print("1 = Abydos")
print("2 = Chulak")
print("3 = Lantea")
input = tonumber(io.read())

if input == 1 then
    dial(abydosAddress)
elseif input == 2 then
    dial(chulakAddress)
elseif input == 3 then
    dial(lanteaAddress)
end

-- This whole if-elseif segment just serves to let you decide which address to dial. You can add more options by just expanding on what's already written there