To: Derrick Early Cc: djgpp AT sun DOT soe DOT clarkson DOT edu (djgpp) Subject: Re: I need SPEED! Date: Tue, 10 Jan 95 18:52:29 +0200 From: "Eli Zaretskii" > post processing. The time between samples is 20 us and I was hoping to > get it down to 6 us. I know that I should have bought a faster computer, Why is it so large? Do you just access the port with inport() or do something else? The INP instruction takes about 30 machine cycles in protected mode, if memory serves; this is only 0.9 usec for your CPU.