How to access Video Card
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Hi Im in plain DOS with Protected Mode over Intel Processor Im not able to access video card What im able to do is 1024x768 with 256 colors My card is VESA compatible Hope to get some good answers soon bye
pitchu
Under Windows, you don't have any access direct to the video card, unless you go through DirectX.
Dave Kreskowiak Microsoft MVP - Visual Basic
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Under Windows, you don't have any access direct to the video card, unless you go through DirectX.
Dave Kreskowiak Microsoft MVP - Visual Basic
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Agreed Actually I am developing a toy OS I hav switched to protected mode Im write now writting ps2 mouse driver and video driver But I AM FAILING TO DO SO! Please help me!!!!
pitchu
Not my area of expertise. And from your description, you should be using C++ and the Windows Device Driver Development Kit. DirectX will NOT help you if your writing your own O/S.
Dave Kreskowiak Microsoft MVP - Visual Basic
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Not my area of expertise. And from your description, you should be using C++ and the Windows Device Driver Development Kit. DirectX will NOT help you if your writing your own O/S.
Dave Kreskowiak Microsoft MVP - Visual Basic
Right! I am using C++ but not Windows Device Driver Development Kit Give me some suggestions :
1. Should i use that kit, i mean i have to port that driver into my defined enviroment.
2. Will the compiled code work without any hurdles of linking.
3. Wer from can i get that kit right now.hope u will not get irritated by by questions. bye -- modified at 0:22 Monday 27th November, 2006
pitchu
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Right! I am using C++ but not Windows Device Driver Development Kit Give me some suggestions :
1. Should i use that kit, i mean i have to port that driver into my defined enviroment.
2. Will the compiled code work without any hurdles of linking.
3. Wer from can i get that kit right now.hope u will not get irritated by by questions. bye -- modified at 0:22 Monday 27th November, 2006
pitchu
I don't think you can download the DDK without an MSDN subscription. The point of the DDK is not to give you a development framework for your own drivers, but to show you how to write them. You'll have to write the drivers to the specifications not just of the hardware, but to your O/S's loader and device manager.
Dave Kreskowiak Microsoft MVP - Visual Basic
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Hi Im in plain DOS with Protected Mode over Intel Processor Im not able to access video card What im able to do is 1024x768 with 256 colors My card is VESA compatible Hope to get some good answers soon bye
pitchu
Video BIOS calls?
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Video BIOS calls?
Trollslayer wrote:
Video BIOS calls?
To the best of my knowledge i know bios calls to check the VESA conmpatibility of video card. The returned modes include all resolutions actually supported by my video card but I only can get maximium of 256 colors. Would u like to direct me to some URl or upload some code to get 1.6 million colors hope to get some answer soon
pitchu