Vertical blank interrupt
id:
vertical-blank-interrupt-310-3029784
title:
Vertical blank interrupt
text:
A vertical blank interrupt is a hardware feature found in some legacy computer systems that generate a video signal. Cathode-ray tube based video display circuits generate vertical blanking and vertical sync pulses when the display picture has completed and the raster is being returned to the start of the display. With VBI, the vertical blank pulse is also used to generate an interrupt request for the computer's microprocessor. The interrupt service routine can then modify data in the video disp
brand slug:
wiki
category slug:
encyclopedia
description:
Computer interrupt in home computers triggered by video output.
original url:
https://en.wikipedia.org/wiki/Vertical_blank_interrupt
date created:
date modified:
2024-03-08T06:21:50Z
main entity:
{"identifier":"Q7922818","url":"https://www.wikidata.org/entity/Q7922818"}
image:
fields total:
13
integrity:
14