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Core code

wolfric · 2009-12-02 09:59:08

Ok so i've been trying to get to the core elements of the computer recently. The kernel isn't responsible for the actual output to the screen is it? for example the code that tells the computer what each character looks like, when it's outputting text to display it so many character spaces after each other and lines are so…

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02-12-2009 10:59am

#1

wolfric

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Posts: 938

Ok so i've been trying to get to the core elements of the computer recently. The kernel isn't responsible for the actual output to the screen is it? for example the code that tells the computer what each character looks like, when it's outputting text to display it so many character spaces after each other and lines are so long and then they start a new one (vertically).

Is this part of bios coding or something else? (or possibly the kernel i've just over looked it )

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#2 02-12-2009 5:13pm
Tom Dunne

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Posts: 21052

Generally speaking it's as follows:

Hardware <--> BIOS <---> Operating System

If you were putting something on the screen, you would make a call to the operating system, the OS would interface with the hardware via the BIOS.

The BIOS is also for booting the system.

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