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access physical memory in DOS

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buenos

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Hi

Im looking for a sample C program or a small application that runs on DOS (not windows command line, but MS-DOS on USB stick) and allows the user to access to memory locations in a PC.
I want to access to the internal memory space of my PCI card design from DOS. In windows I could use the RW, but I dont want to boot windows, and i need a source code so can modify it and automate testing.
Most of the memory access methods on PC are using segmentation, but I need to directly access physical memory loacions.
 

derek_0415

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Hi

Im looking for a sample C program or a small application that runs on DOS (not windows command line, but MS-DOS on USB stick) and allows the user to access to memory locations in a PC.
I want to access to the internal memory space of my PCI card design from DOS. In windows I could use the RW, but I dont want to boot windows, and i need a source code so can modify it and automate testing.
Most of the memory access methods on PC are using segmentation, but I need to directly access physical memory loacions.

Hi, I think that u can refer this code here !! https://www.fccps.cz/download/adv/frr/VGA_off.zip
 

buenos

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