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Altera_Forum
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13 years ago

VGA Calculator Display using VHDL

All right, so I'm trying to make a floating point calculator using VHDL, and basically, I want to first make the display. I want this calculator to display on a VGA monitor, and before I start ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

You use a dual port ram. you use the x and y counters as the read address on the ram. on the write side, you can either refresh the entire ram every frame, or just update the pixels you want to modify on the screen. The downside to this is you need quite a bit of ram, while for video will probably need to be external ram.