Display and screens

setDefaults()
setDisplay()
directScreen
autoback()
dualPlayfield()
displayBpp
displayHeight
displayWidth
caption
setCaption()
cls
fps()
screenOpen()
screenClose()
screenSwap
waitVBL
screenHeight
screenWidth
screenZ()
screen()
screenOffset()
screenOffsetX
screenOffsetY
screenLock()
screenUnlock()
screenViewport()
screenViewportFlag
screenViewportH
screenViewportW
screenViewportX
screenViewportY
screenAlpha()
screenClone()
screenCopy()
screenCrossFade()
screenFadein()
screenFadeOut()