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Video overlay is any technique used to display a video window on a computer display while bypassing the chain of CPU to graphics card to computer monitor.This is done in order to speed up the video display, and it is commonly used, for example, by TV tuner cards and early 3D graphics accelerator cards.
A jungle chip, or jungle IC, is an integrated circuit (IC or "chip") found in most analog televisions of the 1990s. It takes a composite video signal from the radio frequency receiver electronics and turns it into separate RGB outputs that can be sent to the cathode ray tube to produce a display. This task had previously required separate ...
The Mega II has the built-in equivalent of the IOU and memory management unit (MMU) chips, video and keyboard ROMs (with support for other display languages) and likely the keyboard encoder found in the IIe. It also has a built-in keyboard and mouse controller (neither were used in the Apple IIGS).
In computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game , a DVD , or the signal from a TV card .
The SVP-PX (described as featuring Trident's sixth-generation video technology) was the successor of the SVP-EX, featuring an integrated HDMI interface [35] and contributed more than 50% of the company's revenue by Q2 2006. [36] The SVP-LX (with sixth-generation video technology) was Trident's first chip to support Full HD for high-end ...
Video interface controllers. The Signetics 2636 and 2637 are video controllers best known for their use in the Interton VC 4000 and Emerson Arcadia 2001 respectively. The MC6847 is a video display generator (VDG) first introduced by Motorola and used in the TRS-80 Color Computer, Dragon 32/64, Laser 200 and Acorn Atom among others.