was8bit 2021-02-26 06:36 (Edited)
... demonstration of direct access to read and write all BG data bits in active game memory...
For sprites, see this one....
https://lowresnx.inutilis.com/topic.php?id=1993
was8bit 2021-06-29 10:49
the code combines xflip and yflip together as one number Xflip only=1 Yflip only =2 X and y flip =3
