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jborza.com | ||
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domipheus.com
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| | | | | This is part of a series of posts detailing the steps and learning undertaken to design and implement a CPU in VHDL. Previous parts are available here, and I'd recommend they are read before continuing. I've been working towards HDMI output on my TPU SOC, and this week I managed to get enough of something to get pixels (very large pixels!) output to the screen. The plan was to map an area of memory to a VRAM block, which could be read and written to form the TPU, and also read for the graphics subsystem that would generate the video signals that are to be output. | |
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blog.eowyn.net
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| | | | | The goal for this project was to develop a GPU-like core in VHDL for the Upduino v2 and v3. This would include a 60Hz 320x200 or 640x480 resolution output with read/write frame and color buffers, using PWM to increase the color depth. The color buffer would use color cells similar to those of the Commodore 64. However, due to limitations inherent in the Upduino, the full design was not realized. A simpler design with a text buffer was built instead. | |
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austinmorlan.com
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| | | | | When I set out to build a simple computer with an FPGA ( here, here, and here), my end goal was always to display something on a computer monitor. VGA was a natural choice because its simple and analog, rather than the complex digital nature of something like HDMI. All you have to do is place voltages on some pins at a specific frequency and the monitor is able to interpret it as colors displayed at a certain resolution. | |
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andybrown.me.uk
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| | | In a previous article I described the design and build of a temperature sensor board based around a high precision LTC2986 part from Linear Technology. The project was successful so you may be wond... | ||
