added nfc programs

prog2/Slot.lua

@@ -0,0 +1,101 @@
+--Slot
+
+local function interactWithCard(nfc, mode, money)
+    if mode == "updateBalance" then
+        nfc.write(tostring(money))
+        print("Please tap your card to update balance")
+        while not os.pullEvent("nfc_write") do
+            sleep(0)
+        end
+    end
+    if mode == "getBalance" then
+        print("Please tap your card to check balance")
+        local blank, yes, money = os.pullEvent("nfc_data")
+        return money
+    end
+end
+
+
+sleep(0.25)
+
+nfc = peripheral.wrap("bottom")
+
+os.pullEvent=os.pullEventRaw
+if fs.exists("/disk/terminate") then
+    error("Service mode active",2)
+end
+modem = peripheral.wrap("back")
+shell.run("clear all")
+--while not fs.exists("/disk2/money.lua") do
+    --sleep(0.75)
+    --print("You do not have a card inserted")
+    --sleep(2)
+    --shell.run("clear all")
+--end
+--print("Please do not remove your card from the drive during games")
+local money = " "
+local winner = false
+local randnum = 0
+local bet = 0
+--local money2 = fs.open("/disk2/money.lua", "r")
+print("Welcome to the Slot Machine!")
+print("Please swipe your card to begin")
+money = interactWithCard(nfc, "getBalance", nil)
+--money2.close()
+local h = fs.open("disk/house.lua", "r")
+house = h.readAll()
+h.close()
+print("$",money)
+money = tonumber(money)
+print("what is your bet?")
+bet = tonumber(io.read())
+print("what is your guess 1 to 15?")
+userGess = tonumber(io.read()) 
+if bet > money then
+   print("You do not have enough funds")
+   sleep(3)
+   shell.run("reboot") 
+end
+randnum = tonumber(math.random(0, 14) + 1)
+if userGess == randnum then
+    winner = true
+end
+house = tonumber(house)
+if not winner then
+    print("you lost ;(")
+    print("The correct number was", randnum)
+    money = money - bet
+    house = house + bet
+    print("you have $",money, "left over")
+end
+if winner then
+    bet = bet * 2
+    money = bet + money
+    print("You win!!!!!")
+    house = house - bet
+    print("You now have $", money)
+end
+--money2 = fs.open("/disk2/money.lua", "w")
+interactWithCard(nfc, "updateBalance", money)
+--money2.close()
+
+while true do 
+    print("Would you like to play again")
+    local PA=io.read()
+    if (PA=="Y") then
+        break
+    elseif (PA=="N") then 
+        --tmp.ejectDisk()
+        break
+    else
+        print("Invalid Input")
+    end
+end
+
+h = fs.open("disk/house.lua", "w")
+h.write(house)
+h.close()
+--print("If removing your card do it now")
+sleep(2)
+shell.run("clear all")
+shell.run("startup")