MB86290A Datasheet, PDF (4/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

4.2 Frame Management .....................................................................................................42
4.2.1 Single Buffer ......................................................................................................................42
4.2.2 Double Buffer .....................................................................................................................42
4.3 Memory Access ............................................................................................................43
4.3.1 Memory Access by Host CPU ...........................................................................................43
4.3.2 Priority of Memory Access .................................................................................................43
5 Display Controller .................................................................................................................44
5.1 Overview.......................................................................................................................44
5.2 Display Function ...........................................................................................................45
5.2.1 Layer Configuration ...........................................................................................................45
5.2.2 Overlay...............................................................................................................................46
5.2.3 Display Parameters ...........................................................................................................47
5.2.4 Display Position Control.....................................................................................................48
5.3 Display Color ................................................................................................................50
5.3.1 Color Look-up Table...........................................................................................................50
5.3.2 Chroma-key Operation ......................................................................................................50
5.4 Cursor ...........................................................................................................................51
5.4.1 Cursor Display Function ....................................................................................................51
5.4.2 Cursor Management ..........................................................................................................51
5.5 Processing Flow for Display Data.................................................................................52
5.6 Synchronization Control ...............................................................................................54
5.6.1 Applicable Display Resolution ...........................................................................................54
5.6.2 Interlace Display ................................................................................................................54
5.6.3 External Synchronization ...................................................................................................55
5.7 Video Interface..............................................................................................................58
5.7.1 NTSC Output .....................................................................................................................58
6 Drawing Control ....................................................................................................................59
6.1 Coordinates ..................................................................................................................59
6.1.1 Drawing Coordinate ...........................................................................................................59
6.1.2 Texture Coordinate ............................................................................................................60
6.1.3 Frame Buffer ......................................................................................................................61
6.2 Polygon Drawing...........................................................................................................62
6.2.1 Drawing Primitives .............................................................................................................62
6.2.2 Polygon Drawing................................................................................................................62
6.2.3 Drawing Parameters ..........................................................................................................63
6.2.4 Anti-aliasing Function ........................................................................................................64
6.3 Bit Map Operation.........................................................................................................65
6.3.1 BLT.....................................................................................................................................65
6.3.2 Pattern Data Format ..........................................................................................................65
6.4 Texture Mapping ...........................................................................................................66
6.4.1 Texture Size .......................................................................................................................66
6.4.2 Texture Memory .................................................................................................................66
6.4.3 Texture Lapping .................................................................................................................67
6.4.4 Filtering ..............................................................................................................................68
6.4.5 Perspective Correction ......................................................................................................69
6.4.6 Texture Blending ................................................................................................................69
6.5 Rendering .....................................................................................................................70
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