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Top Forums Programming Building an operating system for senior project? Post 302444330 by pludi on Wednesday 11th of August 2010 04:00:34 PM
Old 08-11-2010
Quote:
Originally Posted by Hoonathan
1. How do I start building the kernal? Is there a program i use to create it?
With a design. I'd suggest reading something like Tanenbaums Modern Operating Systems.
Quote:
Originally Posted by Hoonathan
2. What programs will I need to create this operating system?
And editor, and a compilation toolchain.
Quote:
Originally Posted by Hoonathan
3. what languages will I need to learn? I looked this part up and found I will have to learn c+, C++ and maybe C#.
Maybe C, and definitely the assembler dialect spoken by the platform you're programming for. C++ is more for user space, and C# needs an underlying VM to run.

I'd suggest, aside from the Tanenbaum, that you take a look at the sources for (at least one of) the Linux kernel, Minix3 (which was written as a teaching OS), FreeBSD, or KolibriOS.
 

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select_mouse_cursor(3alleg4)					  Allegro manual				      select_mouse_cursor(3alleg4)

NAME
select_mouse_cursor - Tells Allegro to select software or hardware cursor drawing. SYNOPSIS
#include <allegro.h> void select_mouse_cursor(int cursor); DESCRIPTION
This function allows you to use the operating system's native mouse cursors rather than some custom cursor. You will need to enable this functionality by calling enable_hardware_cursor() beforehand. If the operating system does not support this functionality, or if it has not been enabled, then Allegro will substitute its own cursor images. You can change these substitute images using set_mouse_cursor_bitmap(). Note that the effects of this function are not apparent until show_mouse() is called. To know whether the operating system's native cursor is being used, or if Allegro has made a substitution, you can check the GFX_SYS- TEM_CURSOR flag in gfx_capabilities after calling show_mouse(). The cursor argument selects the type of cursor to be displayed: MOUSE_CURSOR_NONE Selects an invisible mouse cursor. In that sense, it is similar to calling show_mouse(NULL); MOUSE_CURSOR_ALLEGRO Selects the custom Allegro cursor, i.e. the one that you set with set_mouse_sprite(). MOUSE_CURSOR_ARROW The operating system default arrow cursor. MOUSE_CURSOR_BUSY The operating system default `busy' cursor (hourglass). MOUSE_CURSOR_QUESTION The operating system default `question' cursor (arrow with question mark). MOUSE_CURSOR_EDIT The operating system default `edit' cursor (vertical bar). Example: /* initialize mouse sub-system */ install_mouse(); enable_hardware_cursor(); /* Set busy pointer */ select_mouse_cursor(MOUSE_CURSOR_BUSY); show_mouse(screen); /* Initialize stuff */ ... /* Set normal arrow pointer */ select_mouse_cursor(MOUSE_CURSOR_ARROW); SEE ALSO
install_mouse(3alleg4), show_mouse(3alleg4), set_mouse_sprite(3alleg4), gfx_capabilities(3alleg4), enable_hardware_cursor(3alleg4), set_mouse_cursor_bitmap(3alleg4), show_os_cursor(3alleg4), exsyscur(3alleg4) Allegro version 4.4.2 select_mouse_cursor(3alleg4)
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