mcdonald@uxe.cso.uiuc.edu (10/26/88)
>This might be a stupid question, but I was wondering if it might be >possible to simulate gray-scale on a VGA color monitor. It you >display white on a VGA monitor by using the same intensities of red, >green and blue, then it seems to me that if you decrease them all by >the same amount, then you get a less intense white. If I remember the >VGA spec right, at 640x480 you get to select 16 colors from a palette >of 16 million, with a byte apiece for Red, Green, and Blue. If you >used F0F0F0 for one color, then E0E0E0, for the next etc., then it >seems to me that this would give you 16 levels of gray, in effect >simulating a monochrome display. >So can anybody tell me if this idea makes sense? Yes, it works perfectly. If you can use the 320x200 mode you get 64 shades of gray.