OC-8 Download Center : Easy Way To Download CHIP-8 ROMS Into OpenComputers

local component = require("component")
local internet = component.internet
local filesystem = require("filesystem")
local shell = require("shell")

local roms = {
    {name = "Pong", url = "https://github.com/brianhang/chip8-lua/blob/master/ROM/PONG"},
    {name = "Tetris", url = "https://github.com/brianhang/chip8-lua/blob/master/ROM/TETRIS"},
    {name = "Space Invaders", url = "https://github.com/brianhang/chip8-lua/blob/master/ROM/INVADERS"}
}

local function downloadRom(url, savePath)
    local handle, reason = internet.request(url)
    if not handle then
        return false, reason
    end

    local file, reason = io.open(savePath, "wb")
    if not file then
        return false, reason
    end

    for chunk in handle do
        file:write(chunk)
    end

    file:close()
    return true
end

local function showMenu()
    print("Select a ROM to download:")
    for i, rom in ipairs(roms) do
        print(string.format("%d. %s", i, rom.name))
    end
    print("Enter the number of the ROM you want to download:")

    local choice = tonumber(io.read())
    if choice and choice >= 1 and choice <= #roms then
        return roms[choice]
    else
        return nil, "Invalid choice"
    end
end

local function main()
    if not filesystem.exists("/home/ROMS") then
        filesystem.makeDirectory("/home/ROMS")
    end

    local rom, err = showMenu()
    if not rom then
        print("Error: " .. err)
        return
    end

    local savePath = "/home/ROMS/" .. rom.name .. ".ch8"
    print("Downloading " .. rom.name .. "...")
    local success, reason = downloadRom(rom.url, savePath)
    if success then
        print("Downloaded successfully and saved to " .. savePath)
    else
        print("Failed to download: " .. reason)
    end
end

main()