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The number of color registers is a hardware limitation of pre-AGA chipsets in Amiga computers. Some contemporary games ( Fusion , [ 9 ] Defender of the Crown , [ 10 ] Agony , [ 11 ] Lotus II , [ 12 ] or Unreal [ 13 ] ) and animations ( HalfBrite Hill [ 4 ] ) use EHB mode as a hardware-assisted means to display shadows or silhouettes.
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 ...
Amiga Chip Set. The Original Chip Set (OCS) is a chipset used in the earliest Commodore Amiga computers and defined the Amiga's graphics and sound capabilities. It was succeeded by the slightly improved Enhanced Chip Set (ECS) and the greatly improved Advanced Graphics Architecture (AGA).
Amiga is a family of personal computers produced by Commodore from 1985 until the company's bankruptcy in 1994, with production by others afterward. The original model is one of a number of mid-1980s computers with 16-bit or 16/32-bit processors, 256 KB or more of RAM, mouse-based GUIs, and significantly improved graphics and audio compared to previous 8-bit systems.
Fragment of full-color image (left) vs Amiga HAM (right) Hold-And-Modify, [1] [2] [3] usually abbreviated as HAM, [4] is a display mode of the Amiga computer. [5] It uses a highly unusual technique to express the color of pixels, allowing many more colors to appear on screen than would otherwise be possible.
The most widely used formats for vector graphics in Amiga are EPS and IFF DR2D. This originated from the fact that Amiga was the first platform that ran Ghostscript natively. IFF DR2D was the original standard for vector graphics generated by Amiga ProVector and was later adopted by other applications such as Art Expression and Professional Draw.
The term copperbar comes from a graphics coprocessor on the Amiga home computer referred to as the Copper (a shortened form of coprocessor). It can be programmed to change the display colors per scan line without requiring the CPU, except to update the position of the bars once per frame.
Retargetable graphics [1] [2] (abbreviated as RTG) is a device driver API mainly used by third-party graphics hardware to interface with AmigaOS via a set of libraries. [3] The software libraries may include software tools to adjust resolution , screen colors, pointers , and screenmodes.