Draw a screen-sized image to (0,0).
gfx.Sprite(source, x, y, frame)
source- The address of the sprite graphics.
x- Horizontal position of sprite.
y- Vertical position of sprite.
frame- Frame of sprite to draw.
This command returns no values.
This function is the only built-in function that doesn’t use
gfx.Sprite for drawing. It performs a single block copy of the image,
which is much faster than sprite drawing.