CompuServe Messages

I learned something recently that affected my view of a common hard disk demonstration that I'd seen at Amiga shows. It turns out that AmigaDOS does long-word reads when you ask to start a program. In other words, Deluxe Paint is loaded into memory before execution, four bytes at a time. How does this affect the DMA versus non-DMA debate? It would seem to me that buffering would negate the reads, to some extent…