> would take a seperate sequencer instruction to the bt848 DMA controller each > time you want to reset the address back to the start. It's not going to work > if you want to do this for every pixel, but you had a window 16 or 32 pixels > wide in the FPGA's PCI address space, you could probably do it. Since the 848 will burst in order the obvious approach to me would be to map the FPGA 32bit wide FIFO register across an entire 2Mb of PCI space. Just forget to decode a few bits 8)