Console

printList = {}
local w,h = term.getSize()
for y = 1,h do
    printList[y] = nil
end
local console = window.create(term.native(),w/2,1,w,h/2)
local lines = 0

function log(words)
    lines = lines + 1
    printList[lines] = {words,colors.white,colors.black}
end

function logError(words)
    lines = lines + 1
    printList[lines] = {words,colors.red,colors.black}
end

function display(mod)
    term.clear()
    for i=1 + mod, h + mod do
        if printList[i] then
            term.setCursorPos(1,i)
            term.setTextColor(printList[i][2])
            console.write(printList[i][1])
        end
    end
end

log('random')
log('even more randomness')
logError('randomERrRor')

for i,v in pairs(printList) do
    print(i,": ",v)
    if type(v) == "table" then
        print("table")
        for i=1,#v do
            print(": ",v[i])
        end
    end
end

display(0)