Function 35 - read the color of a pixel on the screen.
Parameters:
- eax = 35
- ebx = y*xsize+x, where
- (x,y) = coordinates of a pixel (beginning from 0)
- xsize = horizontal screen size
Returned value:
Remarks:
- To get screen sizes use function 14. Pay attention,
that it subtracts 1 from both sizes.
- There is also direct access (without any system calls)
to videomemory through the selector gs. To get parameters of
the current videomode, use function 61.