Re: gEDA-user: icarus, fork, and recursive tasks

[DJ Delorie <dj@xxxxxxxxxxx>]

> Whatcha making? Looks like some sort of FPGA-based video stuff...

It is FPGA-based video stuff.

http://www.delorie.com/electronics/rx/os-board.html

The testbed simulates the RX/62N memory bus so I can test the FPGA
code before downloading it.  So far, I'm getting the same results on
gtkwave and my logic analyzer :-)

At the moment I'm using the DVI output on the board just for test data
from the fpga (three of the pins are an SPI-style output that the
logic anaylzer software can interpret).  I hacked a cheap DVI cable in
half so I can connect other things to that connector, so I'll probably
try a simple monochrome RCA video signal first.

In theory, the 3AN can drive the DVI at 1024x768x24 but we'll see how
much logic I can actually cram into it.


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