3DiagnosticPrograms 3.10Peripheral
46
Itwoulddisplaythebelowtextsofthedifferentattributesinthescreen:
1.Textinnormalattribute;
2.Textinblinkingnormalattribute;
3.Textininverseattribute;
4.Textinblinkinginverseattribute;
5.Textinhi-intensityattribute;
6.Textinblinkinghi-intensityattribute;
Usersneedtocheckwhetheralltextsdisplayedcorrectlyintheabovesix
attributesandkeyintheanswer‘Y’or‘N’totheprompts‘IsthisdisplayOK?
[Y/N<Enter=Y>]’.
BelowisthetestscreenofTextAttribute.
3.TextPageSelection
Thistestitemistocheckwhetherthevideomemorycouldbecorrectlywritten
andreadinVGAtextmode.Accordingtothecomparisonofwrittendatawith
readdata,theprogramwouldreportPASSorFAIL.