![]() ![]() Using one full byte of memory to encode one of 32 indexes would be a waste of memory. 256-color indexed: īut Amiga can only display 32 colors, indexed from a palette of 4096.They use a chunky representation, meaning that one or many bytes are dedicated to describe one single pixel. The Amiga does not represent images in memory as modern machines do. The format is great to display photographies, but is a little bit cumbersome to manipulate and leads to some horizontal artifacts. Hold and Modify (HAM) is able to display 4096 colors at once. They are well suited to display pixel arts and drawings, and they are easily manipulated and animated by the machine. The standard planar modes, that can display up to 32 colors in LowRes (320x256) and 16 colors in HiRes (640x256). Thus, an Amiga cannot display a modern image as is: it will have to be converted to a suitable format beforehand. ![]() But Denise does not generates images as modern PCs do. All data manipulated by the chipset must reside in the shared Chip RAM (source)Īmiga image formats were devised around the capabilities of Denise. It can also display interlaced images of the same width but with a doubled vertical resolution. It can display progressive 320 or 640 pixel-wide and 200 (NTSC) / 256 (PAL) pixel-high screens.
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January 2023
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