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Questions - vga

Using the CGA/EGA/VGA planar graphics modes

I have trouble to grasp how to use colors in CGA/EGA/VGA video graphics modes. The video modes I'm particularly interested in are 0Dh (EGA 320x200) and 12h (VGA 640x480). Both of these modes have 4 pl...
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MegaBrutal

assembly

graphics

x86

nasm

vga

Votes: 0

Answers: 1

Latest Answer

Writing the word 0005h to ports 03CEh and 03CFh will select write mode 0. This is a complex mode that involves many features of the VGA but luckily for us most of these are reset when the video mode i...
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Sep Roland

Creating own moveto() function in C for use in 0x13 VGA mode xv6

I need to draw a square using 4 system call methods that I create personally. I cannot use things like graphics.h The functions I'm required to make are as follows (not including params): int sys_move...
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Alexander Griffin

c

assembly

protected

xv6

vga

Votes: 0

Answers: 1

Latest Answer

The sys_moveto(newX, newY, color) would just do a line from the previous position (in global variables like posX and posY) to the new position, then set the new position (in the global variables, like...
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Brendan

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