if within tile bounds , retrieves the status of the vgatileupdate value concode_field_sep boolean vgaTileUpdated[][] concode_elem_sep AttributeController attributeController concode_elem_sep ColourRegister colourRegister concode_elem_sep int X_NUM_TILES concode_elem_sep byte[] vgaMemory concode_elem_sep int Y_TILESIZE concode_elem_sep int YRES_MAX concode_elem_sep byte horizRetrace concode_elem_sep byte[] tile concode_elem_sep byte vertRetrace concode_elem_sep boolean vgaMemReqUpdate concode_elem_sep int Y_NUM_TILES concode_elem_sep int lineOffset concode_elem_sep int lineCompare concode_elem_sep Pixel[] pixels concode_elem_sep int X_TILESIZE concode_elem_sep MiscellaneousOutputRegister miscOutputRegister concode_elem_sep boolean vgaEnabled concode_elem_sep int verticalDisplayEnd concode_elem_sep SequencerRegister sequencer concode_elem_sep int XRES_MAX concode_elem_sep byte[] textSnapshot concode_elem_sep byte displayDisabled concode_elem_sep GraphicsController graphicsController concode_elem_sep CRTControllerRegister crtControllerRegister concode_field_sep void reset concode_elem_sep void setTileUpdate
boolean function ( int arg0 , int arg1 ) { return ( ( ( ( arg0 ) < X_NUM_TILES ) && ( ( arg1 ) < Y_NUM_TILES ) ) ? vgaTileUpdated [ arg0 ] [ arg1 ] : false ) ; }