Mode 13h question

[Cobra176@aol.com]

In a message dated 3/8/00 3:05:57 PM Central Standard Time, 
anime6@earthlink.net writes:

<< The best way I found to plot pixels is to use an unsigned char far pointer 
to the memory address 0xA0000000L, which is the begginning memory address for 
the video memory in mode 13h.  So to plot a pixel all you need to do is after 
you put the video card in mode 13h: >>
Question: When plotting a pixel within that addressed memory, why doesn't the 
pixel go to the system memory? Does the video card do funky stuff to 
intercept the memory call or something?
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