DMA is nice, no doubt, but it's not the ultimate solution to every problem. Have a look at my problem above... DMA wouldn't have helped. In fact, I'd probably h

DMA is nice, no doubt, but it's not the ultimate solution to every problem. Have a look at my problem above... DMA wouldn't have helped. In fact, I'd probably have ended up starting with a DMA implementation, reverted back to a non-DMA implementation while debugging, and then would have stuck a bunch of nops into the DMA interrupt to make sure that I waited enough cycles before de-asserting CS.