Delay while reading data though com port..

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spiff

While reading data through the serial port, there is a delay in the program. There's a delay when i try to print the data on the screen and when i try to use graphical features such as ovals. Could anyone offer some suggestions? here is some of my code.....
//------------------------------------------------------
Global serial$,comport
Graphics 511, 511, 0, 0

comport=OpenFile("com1:115200,N,8,1")

Repeat

aline$=ReadLine(comport)
//this is where the delay occurs
Print aline$
Until KeyHit(1)
//--------------------------------------------------------