The palette for the AGA chipset has 256 entries from 16,777,216 colors (24-bit), whereas previous chipsets, the Original Chip Set (OCS) and Enhanced Chip Set (ECS), only allow 32 colors out of 4096 or 64 colors in Amiga Extra Half-Brite (EHB mode). This allows for 256 colors in indexed display modes and 262,144 colors (18-bit) in Hold-And-Modify (HAM-8) modes. ĪGA is able to display graphics modes with a depth of up to 8 bits per pixel. 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. Before release AGA was codenamed Pandora by Commodore International.ĪGA was originally called AA for Advanced Architecture in the United States. ( Learn how and when to remove this template message)Īmiga Advanced Graphics Architecture ( AGA) is the third-generation Amiga graphic chipset, first used in the Amiga 4000 in 1992. ( January 2015) ( Learn how and when to remove this template message) Please help to improve this article by introducing more precise citations. This article includes a list of general references, but it lacks sufficient corresponding inline citations.
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