Does anyone know of where I can peak at the CoCo's DriveWire asm source? I'd like to adapt it for a 2681 USART (and OS9/NitrOS9). Thanks -- Linux Home Automation Neil Cherry ncherry at linuxha.com http://www.linuxha.com/ Main site http://linuxha.blogspot.com/ My HA Blog Author of: Linux Smart Homes For Dummies