Waterfall display in PB 
Author Message
 Waterfall display in PB

I'm writing a data acquisition/display program
for a side-looking sonar. It uses a "waterfall"
display. Every 0.133 seconds I get a new line
of  700 pixels, which replaces the top line. All
the lower lines are moved down one pixel, and
the bottom line falls off the display.

I'm attempting to write it in powerbasic under
DOS. Is there some "elegant" way to do this??

Also, it occurred to me that perhaps some of the
newer hot SVGA boards might handle this
function better , without using PowerBasic.

Any comments, anyone?

Thanks, Henry Wallace

Fri, 29 Mar 2002 03:00:00 GMT  
 [ 1 post ] 

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