Subject: Device Transfer Modes
To: None <port-i386@NetBSD.ORG>
From: Robert Dobbs <banshee@gabriella.resort.com>
List: port-i386
Date: 01/27/1995 02:27:00
Theres DMA, Mapped Memory, and Programmed IO

The dma calls are in isa/dma.c, does netbsd support mapped memory
from devices?  

Programmed IO is simply read/writing a byte at a time, correct?

-j