mine.lua

local l = peripheral.wrap("back")
local lol = l.canvas()

local blink = 0
while true do
    lol.clear()
    local list = 0
    local dir = "^"
    local yaw = l.getMetaOwner()
    local yaw = yaw.yaw
    if ((yaw >= 135) and (yaw < 180)) or ((yaw <= -135) and (yaw > 180)) then
        dir = "^"
    elseif yaw >= 45 and yaw < 135 then
        dir = "<"
    elseif yaw <= -45 and yaw > -135 then
        dir = ">"
    elseif yaw < 45 and yaw > -45 then
        dir = "v"
    end
    for i,v in pairs(l.scan()) do
        if v.name:sub(v.name:len()-2) == "ore" or v.name == "minecraft:lava" then
            local lmm = lol.addText({150+v.x*6,100+v.z*6},tostring(v.y),2555,0.3)
            lmm.setColor(255,255,255)
            lmm.setAlpha(255)
            if v.name == "minecraft:coal_ore" then
                lmm.setColor(150,150,150)
            elseif v.name == "minecraft:iron_ore" then
                lmm.setColor(255,150,50)
            elseif v.name == "minecraft:lava" then
                lmm.setColor(150,75,0)
            elseif v.name == "minecraft:gold_ore" then
                lmm.setColor(255,255,0)
            elseif v.name == "minecraft:diamond_ore" then
                lmm.setColor(0,255,255)
            elseif v.name == "minecraft:redstone_ore" then
                lmm.setColor(255,0,0)
            elseif v.name == "minecraft:lapis_ore" then
                lmm.setColor(0,50,255)
            elseif v.name == "minecraft:emerald_ore" then
                lmm.setColor(0,255,0)
            end

        end
    end
    blink = blink + 1
    if blink == 2 then
        blink = 0
    elseif blink == 1 then
        local loooo = lol.addText({150,100},"X",2555,0.3)
        loooo.setColor(255,255,255)
    end
    sleep(0.3)
end