colbits = (r4 & 0x0000f000) >> 12;
rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
- banks = ((r4 & 0x01000000) ? 8 : 4);
+ banks = 1 << (((r4 & 0x03000000) >> 24) + 2);
rowsize = parts * banks * (1 << colbits) * 8;
predicted = rowsize << rowbitsa;