Input and output
messagebox <contents>, <message code>, <title>, <accumulator> - accumulator have returned value
inputbox <question>, <accumulator>
console.load <text> - load console and set window caption to <text>
console.unload - unload console
console.print <text> - print <text> to console
console.get <accumulator> - get string, printed by user
console.color <forecolor>, <backcolor> - change color pallete in console window
console.attributes <atributes> - change console attributes