User-Defined Cursor Shuffler

Description #

This item calls a custom rendering routine in the render loop.
Type ID: $18

Format #

Datalength: 20 bytes

0: word-packed top-left y,x of affected area [2 bytes]
2: word-packed bottom-right y,x of affected area [2 bytes]
4: 8-byte cursor mask [8 bytes]
12: 8-byte cursor sprite [8 bytes]