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Mike Simone has developed some custom MiSTer cores that output composite and s-video natively. I go over how to set these cores up.
Links
GitHub downloads: https://github.com/MikeS11/MiSTerFPGA_YC_Encoder/tree/main/YC%20Builds
Zez Retro Video about these cores: https://www.youtube.com/watch?v=MTwUiqKNV2E
Zez Retro RetroRGB blog post: https://www.retrorgb.com/how-to-hook-up-mister-fpga-s-video-composite.html
Instructions: https://mister-devel.github.io/MkDocs_MiSTer/advanced/crt/#ini-settings
GitHub: https://github.com/MikeS11/MiSTerFPGA_YC_Encoder
Misterfpga.org forum posts:
https://misterfpga.org/viewtopic.php?t=4436
https://misterfpga.org/viewtopic.php?t=4434
Twitter posts:
Initial release batch of #MiSTerFPGA cores with YC / Composite added. List: Atari 5200, Atari 7800, Sega MS, Sega GG, Sega Genesis, SegaCD, NES, SNES, NEOGEO, TG16/CD, PSX (Beta) https://t.co/znw7lp70pN These builds work with both the analog board and direct video out of HDMI*
— Mike (@MikeSimone3) March 30, 2022
Using direct video is tricky right now and I would advise against it until there is a cleaner option. It also requires a HDMI to VGA adapter (with an AG6200 chip), and you need to follow the same steps as you would when trying to get YPbPr out of direct video. (E.g. Hsync is req)
— Mike (@MikeSimone3) March 30, 2022
Composite works as well, you just need the right cable for it. https://t.co/aZWCQ75EbZ Though I will be working on a simple breakout board that adds an additional luma trap to improve composite on consoles like genesis.
— Mike (@MikeSimone3) March 30, 2022
Antonio Villena’s adapter: https://www.antoniovillena.es/store/product/vga-composite-s-video-adapter/
Cables and adapters I used (amazon affiliate links):
Keep in mind that Mike Simone is also creating an adapter that will give you better image quality and you wont need these below cables:
Svideo to Composite: https://amzn.to/3OZYgol
RCA couplers: https://amzn.to/390GAZd
S-video to RCA: https://amzn.to/3ylsw6V
VGA to component: https://amzn.to/3waMpeq
S-video coupler: https://amzn.to/37uvH1m
Chapters:
0:00 Intro
0:32 Installing the s-video/composite cores
1:34 Editing the MiSTer.ini file
2:48 Connecting cables
4:38 Enabling S-video on the cores
5:39 Testing games on the core
8:55 Comparing the Antonio Villena adapter
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