--Colores
rojo = color.new(255,0,0)
blanco = color.new(255,255,255)
function menu()
astro = 1
 
while true do
controls.read()
if astro == 1 then
screen.print(50,50,"Nivel 1",1,rojo,rojo)
screen.print(50,100,"Nivel 2",1,blanco,blanco)
if controls.press("cross") then
nivel1()
end
end
if astro == 2 then
screen.print(50,50,"Nivel 1",1,blanco,blanco)
screen.print(50,100,"Nivel2",1,rojo,rojo)
if control.press("cross") then
nivel2()
end
end
 
if controls.press("up") then
	astro = astro+1
end
 
if controls.press("down") then
	astro = astro-1
end
if astro < 1 then
	astro = 2
end
 
if astro > 2 then
	astro = 1
end
 
screen.flip()
end
end
 
function nivel1()
astro = 1
while true do
controls.read()
if astro == 1 then
screen.print(50,50,"2+2=4",1,rojo,rojo)
screen.print(50,80,"3+4=10",2,blanco,blanco)
if controls.press("cross") then
os.message("Respuesta Correcta")
end
end
 
if astro == 2 then
screnn.print(50,50,"2+2=4",1,blanco,blanco)
screen.print(50,80,"3+4=10",2,rojo,rojo)
if controls.press("cross") then
os.message("Respuesta Incorrecta")
end
end
if controls.press("start") then
menu()
end
if controls.press("up") then
	astro = astro+1
end
if controls.press("down") then
	astro = astro-1
end
if astro < 1 then
	astro = 2
end
if astro > 2 then
	astro = 1
end
screen.flip()
end
end
 
function nivel2()
while true do
controls.read()
if astro == 1 then
screen.print(50,50,"2+5=7",1,rojo,rojo)
screen.print(50,80,"5+5=15",2,blanco,blanco)
if controls.press("cross") then
os.message("Respuesta Correcta")
end
end
 
if astro == 2 then
screen.print(50,50,"2+5=7",1,blanco,blanco)
screen.print(50,80,"5+5=15",2,rojo,rojo)
if controls.press("cross") then
os.message("Respuesta Incorrecta")
end
end
if controls.press("start") then
menu()
end
if controls.press("up") then
	astro = astro+1
end
if controls.press("down")then
	astro = astro-1
end
if astro < 1 then
	astro = 2
end
if astro > 2 then
	astro = 1
end
screen.flip()
end
end
 
menu()