- x = (normalize_coord(x, fb_width) >> 8) * xscale_24x8;
- y = (normalize_coord(y, fb_height) >> 8) * yscale_24x8;
- cx = (normalize_coord(cx, fb_width) >> 8) * xscale_24x8;
- cy = (normalize_coord(cy, fb_height) >> 8) * yscale_24x8;
+ x = (normalize_coord(x, FB_WIDTH) >> 8) * xscale_24x8;
+ y = (normalize_coord(y, FB_HEIGHT) >> 8) * yscale_24x8;
+ cx = (normalize_coord(cx, FB_WIDTH) >> 8) * xscale_24x8;
+ cy = (normalize_coord(cy, FB_HEIGHT) >> 8) * yscale_24x8;