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Questions - vesa

Freestanding C: Why does this function fail to return data depending on the structure of the array?

I'm currently watching a Udemy tutorial on basic graphical OS development, which has just begun to explain how to render text in VBE graphical mode using bitmap fonts. The presenter creates a function...
test-img

Charles Buchanan

c

ld

vesa

freestanding

Votes: 0

Answers: 0

VBE: why does my code not provide a linear frame buffer?

I am a beginner who is trying to implement simple graphics in VBE. I have written the following assembly code to boot, enter 32-bit protected mode, and enter VBE mode 0x4117. (I was told that the outp...
test-img

Charles Buchanan

assembly

graphics

x86

bios

vesa

Votes: 0

Answers: 1

Latest Answer

Have I correctly loaded a linear frame buffer, and, if not, how could I do so? In your code you just assume that the linear frame buffer mode is available. You should inspect the ModeInfoBlock.ModeA...
test-img

Sep Roland

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