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Convert notes into blockquotes

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James Gregory 2013-12-31 11:06:31 +11:00
commit 8ed9dea394
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@ -83,6 +83,10 @@ set the Read Map register to select a source plane and the Map Mask
register to select the corresponding destination plane. Then, copy all
pixels in that plane, repeating for all four planes.)
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![](images/i.jpg) *Although copying through the latches is, in general, a speedy technique, especially on slower VGAs, it's not always a win. Reading video memory tends to be quite a bit slower than writing, and on a fast VLB or PCI adapter, it can be faster to copy from main memory to display memory than it is to copy from display memory to display memory via the latches.*
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> ![](images/i.jpg)
> Although copying through the latches is, in general, a speedy technique,
> especially on slower VGAs, it's not always a win. Reading video memory
> tends to be quite a bit slower than writing, and on a fast VLB or PCI
> adapter, it can be faster to copy from main memory to display memory
> than it is to copy from display memory to display memory via the
> latches.