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• Amiga_Advanced_Graphics_Architecture abstract "Amiga Advanced Graphics Architecture (AGA) is the third-generation Amiga graphic chipset, first used in the Amiga 4000 in 1992. Before release AGA was codenamed Pandora by Commodore International.AGA was originally called AA for Advanced Architecture in the United States. The name was later changed to AGA for the European market to reflect that it largely improved the graphical subsystem, and to avoid trademark issues.AGA is able to display graphics modes with a depth of up to 8 bits per pixel. This allows for 256 colors in indexed display modes and 262,144 colors (18-bit) in Hold-And-Modify (HAM-8) modes. The palette for the AGA chipset has 256 entries from 16,777,216 colors (24-bit), whereas previous chipsets, the Amiga Original Chip Set (OCS) and Amiga Enhanced Chip Set (ECS), only allowed 32 colors out of 4096 (64 colors in Amiga Extra Half-Brite (EHB mode)). Other features added to AGA over ECS were super-hi-res smooth scrolling and 32-bit fast page memory fetches to supply the graphics data bandwidth for 8 bitplane graphics modes and wider sprites.AGA was an incremental upgrade, rather than the dramatic upgrade of the other chipset that Commodore had begun in 1988, the Amiga Advanced Architecture chipset (AAA), lacking many features that would have made it competitive with other graphic chipsets of its time. Apart from the graphics data fetches, AGA still operates on 16-bit data only, meaning that a lot of bandwidth is wasted during register accesses and Amiga 'copper' and blitter operations. Also the lack of a chunky graphics mode is a speed impediment to graphics operations not tailored for planar modes, resulting in ghost artifacts during the common productivity task of scrolling. In practice, the AGA HAM mode is mainly useful in painting programs, picture viewers and for video playback. Workbench in 256 colors is much slower than ECS operation modes for normal application use; a workaround is to use multiple screens with different color depths. AGA lacks flicker free higher resolution modes, being only able to display 640 × 480 at 72 Hz flicker-free operation. 800 × 600 mode is rarely used as it can only operate at a flickering 60 Hz interlaced mode. In contrast, higher-end PC systems of this era can operate 1024 × 768 at 72 Hz with a full 256-color display. AGA's highest resolution is 1440 × 580 (262 144 colors) in interlaced 50 Hz PAL mode, when overscan is used. These missed opportunities in the AGA upgrade contributed to the Amiga ultimately losing technical leadership in the multimedia area. After the long delayed AAA was finally suspended, AGA was to be succeeded by the Hombre chipset, but this was ultimately cancelled due to Commodore's bankruptcy.AGA is present in the CD32, Amiga 1200 and Amiga 4000.".
• Amiga_Advanced_Graphics_Architecture wikiPageExternalLink aga.php.
• Amiga_Advanced_Graphics_Architecture wikiPageID "101352".
• Amiga_Advanced_Graphics_Architecture wikiPageLength "4780".
• Amiga_Advanced_Graphics_Architecture wikiPageOutDegree "39".
• Amiga_Advanced_Graphics_Architecture wikiPageRevisionID "676209760".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_1200.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_3000.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_4000.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Advanced_Architecture_chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_CD32.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Chip_RAM.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Enhanced_Chip_Set.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Halfbrite_mode.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Hombre_chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Amiga_Ranger_Chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Bankruptcy.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Blitter.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Category:Amiga.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Category:AmigaOS.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Category:Graphics_chips.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Chip_RAM.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Commodore_AA+_Chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Commodore_International.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Extra_Half-Brite.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Hold-And-Modify.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Hombre_chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink List_of_home_computers_by_video_hardware.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink MOS_Technology_Agnus.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Multimedia.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Original_Amiga_chipset.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Original_Chip_Set.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Packed_pixel.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Planar_(computer_graphics).
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Scrolling.
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Sprite_(computer_graphics).
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLink Sprites_(computer_graphics).
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "256-color".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "AGA chipset".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "AGA".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Advanced Graphics Architecture".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Amiga (AGA)".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Amiga AGA".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Amiga Advanced Graphics Architecture".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Amiga Advanced Graphics Architecture#Technical details".
• Amiga_Advanced_Graphics_Architecture wikiPageWikiLinkText "Lisa".
• Amiga_Advanced_Graphics_Architecture hasPhotoCollection Amiga_Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture wikiPageUsesTemplate Template:Amiga_hardware.
• Amiga_Advanced_Graphics_Architecture wikiPageUsesTemplate Template:Multiple_issues.
• Amiga_Advanced_Graphics_Architecture wikiPageUsesTemplate Template:Reflist.
• Amiga_Advanced_Graphics_Architecture subject Category:Amiga.
• Amiga_Advanced_Graphics_Architecture subject Category:AmigaOS.
• Amiga_Advanced_Graphics_Architecture subject Category:Graphics_chips.
• Amiga_Advanced_Graphics_Architecture hypernym Chipset.
• Amiga_Advanced_Graphics_Architecture type Device.
• Amiga_Advanced_Graphics_Architecture type Circuit.
• Amiga_Advanced_Graphics_Architecture type Computer.
• Amiga_Advanced_Graphics_Architecture type Thing.
• Amiga_Advanced_Graphics_Architecture type Q1067263.
• Amiga_Advanced_Graphics_Architecture comment "Amiga Advanced Graphics Architecture (AGA) is the third-generation Amiga graphic chipset, first used in the Amiga 4000 in 1992. Before release AGA was codenamed Pandora by Commodore International.AGA was originally called AA for Advanced Architecture in the United States. The name was later changed to AGA for the European market to reflect that it largely improved the graphical subsystem, and to avoid trademark issues.AGA is able to display graphics modes with a depth of up to 8 bits per pixel.".
• Amiga_Advanced_Graphics_Architecture label "Amiga Advanced Graphics Architecture".
• Amiga_Advanced_Graphics_Architecture sameAs Chipset_AGA.
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphic_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs Chipset_AGA.
• Amiga_Advanced_Graphics_Architecture sameAs Architecture_graphique_avancée.
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs AGA_(Amiga).
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs m.0pr4z.
• Amiga_Advanced_Graphics_Architecture sameAs AGA.
• Amiga_Advanced_Graphics_Architecture sameAs Advanced_Graphics_Architecture.
• Amiga_Advanced_Graphics_Architecture sameAs Q379575.
• Amiga_Advanced_Graphics_Architecture sameAs Q379575.
• Amiga_Advanced_Graphics_Architecture wasDerivedFrom Amiga_Advanced_Graphics_Architecture?oldid=676209760.
• Amiga_Advanced_Graphics_Architecture isPrimaryTopicOf Amiga_Advanced_Graphics_Architecture.