PRI_STREAM_FBUF_ADDR1
WriteReg32(PRI_STREAM_FBUF_ADDR1, si.frameBufferOffset & 0x7fffff);
WriteReg32(PRI_STREAM_FBUF_ADDR1, 0x80000000);
WriteReg32(PRI_STREAM_FBUF_ADDR1, 0);
WriteReg32(PRI_STREAM_FBUF_ADDR1, address & 0xFFFFFFFC);
WriteReg32(PRI_STREAM_FBUF_ADDR1, address & 0xFFFFFFF8);
WriteReg32(PRI_STREAM_FBUF_ADDR1, address | 0x80000000);
WriteReg32(PRI_STREAM_FBUF_ADDR1, 0);