IBM 5150 maximum memory?

Jim Leonard trixter at
Sun Apr 27 15:59:53 CDT 2008

Chuck Guzis wrote:
> You forgot the complete lack of DMA and, 
> shall we say, "anemic" interrupt handling facility?

I remember the DMA, but what do you mean about "anemic" interrupt handling?

(These are of personal interest to me as I'm about to add PCjr 
functionality to a hobbyist program I'm writing)
Jim Leonard (trixter at  
Help our electronic games project: 
Or check out some trippy MindCandy at
A child borne of the home computer wars:

More information about the cctalk mailing list