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Discussion Groups | FPGA-CPU | Re: Re: Need debugging suggestions

This list is for discussion of the design and implementation of field-programmable gate array based processors and integrated systems. It is also for discussion and community support of the XSOC Project (see http://www.fpgacpu.org/xsoc).

Re: Need debugging suggestions - rtfinch35 - Jan 29 23:57:00 2002


>
> I think what really is needed is a video display system in a FPGA.
> A floppy disk controller would be nice too.
>
What kind of display support would you be looking for
(requirements) ? I've posted a simple text mode VGA controller that
runs out of block ram in the FPGA, with my 6502 project. I'm
currently working on a VGA controller for another project, that
supports both text and graphics modes. It uses a 32 bit wide memory
bus, so the controller is organized around that.

A basic IDE/ATA disk controller is easy to interface to an FPGA. The
control registers are already built into the drives, so all you need
to do is decode an address range. It only gets complicated if you
want the drives to operate autonomously, eg with dma.

Rob




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