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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.

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How to change the foreground color of a string (32 Bit Assembly kernel)?

I am currently programming my own operating system (just for fun, I am 16) and have a problem with the outprint function i have crated. I want to change the text color (not the background color) but it won't work. I have crated my own printf…
RAVN Mateus
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How do I print SVGA Info on the screen in tasm?

I am complete beginner to assembly, and graphics, any help would be appreciated. I got the svga info, but when i print it, it won't print anything. If anyone can explain why that would be great. Here is the code. If there is anymore explanations…
sean
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How to output video on external display with controls on ipad?

Currently when outputting video to an external display from the iPad, it moves the controls and all to the external display. This is not useful because you cannot control the movie while the controls are on the external display. Here are some code…
Kaili
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Handling an external screen on the iPad

Ok, I think its possible I've misunderstood the correct way to implement an external screen on the iPad and it is causing me a lot of headaches. Since this is a long post, what I'm trying to do is create and send a view to an external screen over…
davbryn
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Exist on .NET any way to detect if a Monitor with VGA plug is still plugged-in?

That's all, I want to know if someone unplug the monitor and take several actions, any idea? Thank you
Santiago
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Classic VGA text console font used by Matrox graphics adapters

Back in 199[456] I was using Linux and a Matrox graphics adapter. For programming I often used the text mode and didn't bother to boot into X11. These graphics cards allowed for really high text resolutions and still had a very readable font.…
hochl
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VGA and integrated graphics theory

I'm not really wanting to know the ins and outs of VGA but rather the basic principle of how it works (and with integrated graphics), The Intel website says - So this stolen memory is used as the frame buffer for the VGA adapter and any…
RJSmith92
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Trouble with VGA Controller on CPLD

What I am attempting to do is create a VGA controller from a Lattice MachXO CPLD in Verilog. The Problem I am attempting to display the color red with a resolution of 640x480 @ 60Hz using a 25.175 MHz clock internal to the CPLD; however, when I…
Jon.H
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Bitwise ANDING Of Two STD_LOGIC_VECTORS

Hey I was wondering if it was at all possible in VHDL to AND two STD_LOGIC_VECTORS together. For example, I'm writing a VHDL program that will output a character to a VGA monitor. I have a vector PixelRow: IN STD_LOGIC_VECTOR(9 DOWNTO 0) and…
Eric Townsend
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Is it OK to create an object inside a function

I work on a class in VBA, that encapsulates downloading stuff with MSXML2.XmlHttp. There are three possibilities for the return value: Text, XML and Stream. Should I create a function for each: …
user783388
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Detect a VGA monitor on windows, using DDC?

Does windows provide any api calls to detect if a monitor is presently connected on the VGA port by using DDC I or DCC 2? I am trying to figure out a way to know if a monitor is connected and turned on.
Myforwik
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The VGA text mode cursor does not move or hide

I have searched far and wide but can't find the answer I'm looking for, my problem is that I use outb to try and set the position of my VGA text mode cursor in my 64-bit operating system kernel and it does not move at all. Trying to hide it does…
Florian Schumacher
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Check if display is powered on

Is there a way to check if display is powered on in linux. I tried xrandr and xset but none of these two give me if any information about monitor power. using xrandr we can identify if the vga cable is connected but not if power is connected. I need…
Jatin Kumar
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How to switch to Super VGA in c or asm?

I'm creating a graphical operating system, I'm currently using the mode 19 that I launch before the protect mode but I would like to have a higher resolution thanks in advance. My graphical activation in asm graphicmode: mov ax, 19; here select…
Konect Team
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Using 16 bit mode to print a letter WITHOUT bios routines

I realized that in protected mode, one could use memory mapped I/O to print letters by modifying the memory location 0xb8000 and so forth... Can we do this in 16 bit real mode? (Using segmentation to access the location and then modifying it) This…
Suraaj K S
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