After playing around with the ROM a bunch, it looks like this is how the meta-frames work:   Example Metaframe: FF FF 00 00 ED A1 E9 04 00 7CSections: 00 00 11 22 33 44 55 66 77 89   Section 0: ALL FFFF Section 1: ALL 00. Section 2: 00 or FB. Maybe determines draw-behind? Section 3: Y Offset Section 4: Dimensions in Binary Flags: 0123 4567 01: 00 in Sharpen and Barrage, 10 in Embargo 2: Unknown (ALL 1) 3: Mosaic Mode (ALL 0) 45: Unknown (ALL 00) 67: Upper Bits for Y