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Index > OS Construction > please help with vesa

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craciun



Joined: 11 Apr 2006
Posts: 7
craciun
Does any one know how can i enable a Vesa vbe3 driver?
Post 12 Apr 2006, 00:01
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Dex4u



Joined: 08 Feb 2005
Posts: 1601
Location: web
Dex4u
What do you mean enable a vesa3 driver, if you mean use vesa3 from your OS, then yes, here are some bootable demos i have made, that may help:
http://www.dex4u.com/images/DemoVesa.zip
http://www.dex4u.com/images/cdpod.zip
http://www.dex4u.com/images/vesa256.zip
All you need do to use vesa3 (which is also compatable with vesa2), is test for it and if found, use the vesa3 ext.
Post 12 Apr 2006, 10:52
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craciun



Joined: 11 Apr 2006
Posts: 7
craciun
thanks a lot... I want to know something else, if it's possible:
- how can I make a mouse PS/2 driver for an OS and how to transform it
into an interrupt?
- how is it possible to make a own font set? does it need to be in memory any time it is used?
Post 13 Apr 2006, 10:57
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Dex4u



Joined: 08 Feb 2005
Posts: 1601
Location: web
Dex4u
You can use Bios fonts, but if you are making your own, than they need to be loaded in memory or they will be slow to use.
One char will be simular to this
Code:
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0C3H,099H,0BDH,0BDH,099H,0C3H,0FFH,0FFH,0FFH,0FFH,0FFH    
you can get a font maker program from bubach site: http://bos.asmhackers.net/docs/vga_without_bios/snippet_3/
And info on mouse and setting up int's etc here:
http://bos.asmhackers.net/docs/
Post 13 Apr 2006, 12:16
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