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Questions tagged [vga]

Anything related to Video Graphics Array (VGA) video card and related standards. Usually used to tag questions about VGA compatible hardware (VGA connectors, cables, monitors, etc.) or VGA specifications (VGA resolutions, VGA video modes, etc.)

Anything related to Video Graphics Array (VGA) video card and related standards. Usually used to tag questions about VGA compatible hardware (VGA connectors, cables, monitors, etc.) or VGA specifications (VGA resolutions, VGA video modes, etc.).

See the VGA Wikipedia page.

257 questions
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How to implement laplacian edge detection in verilog HDL

I want to implement laplacian edge detection in verilog HDl. Since it is a second order derivative, can anyone please tell me in what way can I implement it in verilog HDL language to a frame?
Sara
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I want to attach an outputstream to my vga port on my laptop using Java

I have to do a demonstration on my project progression next month. If I can display a simple image on a monitor through through the VGA port on my laptop, I would be very happy. If someone could explain the amount of work that will be required to do…
user3277087
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Laptop Backlight turms off after instaling intel vga drivers ( windows )

uestion shifted to superuser form
Ankur Kumar
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1 answer

Loss of Resolution using Display Port Adapter

I have a Laptop running Windows 7, set up to connect to two Asus Monitors. My Laptop (Lenovo) only has one VGA and One Display Port. When hooking up these monitors I must use a Display Port to VGA adapter. Both Monitors go to different KVM Switches…
Brent
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Issue with VGA memory after booting to DIY kernel

This is the structure of my project : "boot.asm" : enters 64-bit mode, make a CHS read and load "kernel" to 0x100000, then jmp to 0x100000 "kernel.asm" This is "kernel.asm" : [bits 64] msg: db "K" mov al, [msg] mov ah, 3 ; cyan …
user3166684
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How to fix clock hold in this code?

I'm trying to create a VGA driver in VHDL. I'm going for 640x480 @ 60 Hz, so I need 25 MHz and 31.5 KHz clocks. divider_h process is driven by 50 MHz clock and results in 25 MHz clock. On each tick of 25 MHz clock h_counter is incremented by process…
gronostaj
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Programmatically Adjusting Monitor Color

I want to create a simple slider that will adjust one of the colors in my monitor at a hardware level. I want to do this to adjust a color to the exact way an eye sees it. I know a profiler will get most of the work done but I'm concerned with the…
noel
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Measurement system of response time of computer monitor - VHDL

I'm in work placement and I have this subject in VHDL : Measurement system of response time of computer monitor. To succeed I thought about to put a photodiode in front of the monitor and switch in black and white every second the monitor to known…
Vincent. L
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VGA capture card for linux

I am looking for a "VGA capture card for linux", that captures VGA input from remote computer in such a way that I may be able to use V4L2 to capture the feed. Kindly suggest some.
vsk
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get vpos and hpos out vsync and hsync

For a project i got a screen with a resolution of 1024*600. For the project i need a squarre of 20px *20px with a red color. Im trying to get my verticale pos en horizontale pos out of the hsync en vsync pulse but this doesn't work. Have anyone a…
Alexander De Geeter
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Warped cursor in assembly

Using BIOS video interrupts, I can finally move my cursor around the screen but when it reaches the end of the screen it disappears. I need for it to appear on the other side, I mean if it goes straight to the ride side it will come out to the left…
JohnSmith123
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Plug HDMI VGA cables in to two Laptos

I have One Laptop(HDMI) and one PC (VGA) Monitor supports BOTH HDMI and VGA. so I usually keep my VGA connected to the PC,where asLaptop connected to the HDMI. Since only one computer works at a time. is there any impact to the switched of PC/Laptop…
mihiHarshana
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What is the difference between "Video Graphic Adapter" and "Video Graphic Array"

I'm bit confused that what is the difference between "Adapter" and "Array". Some Graphics oriented expressions include the first and other the second. Such as: In VGA it's array: https://en.wikipedia.org/wiki/Video_Graphics_Array In CGA it's…
András Illés
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change VGA share memory laptop

I have try to change in bios setting but cannot find it my laptop type hp430
Steven Sugiarto Wijaya
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Explain how the following program works?

Here is the program in C language: (I removed some portion of the code which simply initializes VGA_COLOUR variables) static inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) { return fg | bg << 4; } static inline uint16_t…
Yahya
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