h6. [[OS SWI Calls]] h6(. » [[OS_Word]] h6((. » OS_Word 9 h2. OS_Word 9 h5. (SWI &07) |_<^{width:4em}. Entry | | |<^. R0 |<^. 9 | |<^. R1 |<^. Pointer to 5 byte [[OS_Word 9 Input Block|block]] | |_<^{width:4em}. Exit | | |<^. R0 |<^. Preserved| |<^. R1 |<^. [[OS_Word 9 Output Block|Logical colour block]] | h4. Use The purpose of this call is to return the logical colour at the specified pixel. h4. Notes This SWI returns the logical colour at the specified pixel. &FF is returned if: * Screen is in a 256-colour mode. * Pixel is off screen * Mode is non-graphical This call is deprecated. Please use [[OS_ReadPoint]] instead. h4. See also * [[OS_ReadPoint]] * [[OS_Word]] * [[OS_Word 9 Input Block]] * [[OS_Word 9 Output Block]]