Set the current color red, green and blue.
Value in the range of 0 to &H00FFFFFF, Red is the most significant 8 bits and Blue is the least. So &Hff0000 is
Sets red, green and blue values of the FT800 color buffer which will be applied to the following draw operation.
Note: this is the same as ColorRGB except you can now parse the whole rgb values in a dword