View Full Version : TV vs VGA
10-24-2006, 05:43 AM
Which easier on memory; VGA or TV output?
10-24-2006, 06:39 AM
Perhaps I should have asked which is easiest on Propeller resources when running.
10-24-2006, 06:42 AM
actually, from my perspective - both are good questions. I am definitely also interested in knowing this.
in the PC world, obviosuly, process to sending TV signals is lot more process and resources intensive than w/ VGA out. I would suspect it is not different in the prop world. But, I don't know enough to comment in prop world myself.
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10-24-2006, 06:45 AM
I am running Mike Green's OS system, which uses VGA.· I have 80 columns and 40 rows.· With that kind of display, resource or memory usage is of secondary concern.· All I worry about is having enough memory to run my programs.
Don't have VGA?
10-24-2006, 06:55 AM
VGA typically requires a little more, but what makes the most difference is whether you are using the text or graphics version.
Paul Baker (mailto:email@example.com)
Propeller Applications Engineer
Parallax, Inc. (http://www.parallax.com)
10-24-2006, 08:06 PM
There's really no difference. Only in how much data you want to send. Ex: A 320x200 NTSC fully bitmapped is going to take more memory/processing than a 16x16 bitmapped VGA (which is possible).
However, a 640x480 VGA bitmap running from external SRAM takes more than a 16x16 NTSC.
It also depends on if you want to do 1 byte per pixel, 3 bytes per pixel or 8 pixels per byte (monochrome).
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