2022-10-15 20:53:17 +00:00
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# ceda2vga
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A video adapter for Sanco 8000 series computers, to use your handy flat-screen VGA display.
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2023-02-27 21:02:25 +00:00
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This project is part of a reverse engineering effort of a Sanco 8003 by [RetrOfficina GLG Programs](https://retrofficina.glgprograms.it/).
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Also see [ceda-home](https://github.com/GLGPrograms/ceda-home).
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<img src="img/ceda2vga.jpeg" width="320" />
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<img src="img/vga-detail.jpeg" width="320" />
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## How it works
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A Raspberry Pi Pico syncs with a Sanco-generated frame, captures and stores it; then the frame is sent out as a VGA signal.
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This project extensively uses pi2040's PIO peripheral and DMA capabilities.
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2022-10-15 20:53:17 +00:00
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## Setup
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```
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./setup.sh
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```
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## Development container
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```
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./work.sh
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./build.sh
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```
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2023-02-27 21:02:25 +00:00
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## Build
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Circuit is extremely trivial, see [PDF schematics](board/ceda2vga.pdf).
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### BOM
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| component | # |
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| --------------------------- | - |
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| Raspberry Pi Pico dev board | 1 |
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| DE-15 socket (female) | 1 |
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| 10kR resistor | 5 |
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| 1.2kR resistor | 1 |
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| 200R resistor | 1 |
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| 82R resistor | 1 |
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| 1kR resistor | 1 |
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| push button | 1 |
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## License
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SPDX-License-Identifier: GPL-3.0-only
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