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Adaptive tile refresh is a computer graphics technique for side-scrolling video games. It was most famously used by id Software 's John Carmack in games such as Commander Keen to compensate for the poor graphics performance of PCs in the early 1990s.
The chip has 1KB of extra RAM, two extra square wave sound channels, one extra PCM sound channel, support for vertical split screen scrolling, improved graphics capabilities (making 16,384 different tiles available per screen rather than only 256, and allowing each individual 8x8-pixel background tile to have its own color assignment instead of ...
It combined the platform gameplay of Donkey Kong (1981) and Mario Bros. (1983) with side-scrolling elements from the racer Excitebike and the beat 'em up Kung-Fu Master, [28] [29] and was more expansive than earlier side-scrollers, [18] striking a balance between arcade-like action and longer play sessions suited for home systems.
The Super Mario Bros. 3 cartridge uses Nintendo's custom MMC3 ASIC to enhance the NES capabilities. The MMC3 chip allows for animated tiles, extra RAM for diagonal scrolling, and a scan line timer to split the screen. The game uses these functions to split the game screen into two portions, a playfield on the top and a status bar on the bottom.
Tile-based games are not a distinct video game genre.The term refers to the technology that the hardware or game engine uses for its visual representation. For example, Pac-Man is an action game, Ultima is a role-playing video game and Civilization is a turn-based strategy game, but all three render the world as tiles.
The Namco Galaxian arcade system board, for the 1979 arcade game Galaxian, displays animated, multi-colored sprites over a scrolling background. [14] It became the basis for Nintendo 's Radar Scope and Donkey Kong arcade hardware and home consoles such as the Nintendo Entertainment System . [ 15 ]
A vertically scrolling video game or vertical scroller is a video game in which the player views the field of play principally from a top-down perspective, while the background scrolls from the top of the screen to the bottom (or, less often, from the bottom to the top) to create the illusion that the player character is moving in the game world.
Scrolling displays built up of individual tiles can be made to 'float' over a repeating background layer by animating the individual tiles' bitmaps in order to portray the parallax effect. Color cycling can be used to animate tiles quickly on the whole screen. This software effect gives the illusion of another (hardware) layer.