8 bit DMA transfer isn't as fast as many think, because it takes several cycles to complete a single transfer. This is one of the reasons that AT-class disk controllers used programmed I/O, rather...
All of this said on eBay pricing, it's always worth throwing in a generic search for something like 'old computer' to see what comes up. The best score I've had in recent years was a Dell P166 -...
Just my $0.02 because I may have a different point of view from many of of you guys. I'm 24, born in 1996. My first introduction to computers was the Dell XPS T650R desktop running windows 98SE....
Thanks Don. I was using an old version of this (pre Rhialto modifications). However, the TRAP instruction appears to generate an error. There is a line missing from source file "assemble.c". ...
In muxing all that to two serial ports, would it have been limited to 19.2k (2x9600)? I am trying to remember what I was reading about the z80 SIO. I was thinking like it was able to run in some...
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8 bit DMA transfer isn't as fast as many think,...
8 bit DMA transfer isn't as fast as many think, because it takes several cycles to complete a single transfer. This is one of the reasons that AT-class disk controllers used programmed I/O, rather...
Chuck(G) Today, 09:59 AM