shithub: sms

Info  •  Files  •  Log  •  Branches

hflip

--- a/vdp.c

+++ b/vdp.c

@@ -55,7 +55,7 @@

 	int hflip = (info & 1 << 1) != 0;

 	int vflip = (info & 1 << 2) != 0;

-	int data = (tidx << 5) + (tyoff << 2);

+	int data = (tidx << 5) + ((vflip ? 7 - tyoff : tyoff) << 2);

 	int xx = 7 - txoff;

 	if (hflip) xx = txoff;

-- 

⑨