void sprite (unsigned char n, unsigned char p, unsigned int xp, unsigned int yp, signed char xs, signed char ys, unsigned char c);

Defines a sprite:

n =Sprite number (1 - 32).
p =Pattern number (0 - 127 for 8x8 sprites, 0 - 31 for 16x16 sprites).
xp =Horizontal position of sprite centre (0 - 4059).
yp =Vertical position of sprite centre (0 - 4059).
xs =Horizontal speed (-128 - 127).
ys =Vertical speed (-128 - 127).
c =Colour (0 - 15).

Include file: mtxscrn.h