NeoPico-HD Gains 720p Output for Neo Geo MVS
Developer fliperama86 has released v0.1.4 of the NeoPico-HD, an open-source project that uses a Raspberry Pi Pico 2 (RP2350B) to tap digital video and audio signals directly from Neo Geo MVS motherboards. This update brings crucial 720p output support, making the solution viable for nearly all modern flat-panel displays. The recent addition of 240p support also makes this a versatile option for various display setups.
Expanding Display Options
The inclusion of 720p output is a significant step for Neo Geo enthusiasts looking to connect their MVS hardware to contemporary screens. Modern televisions often scale 720p signals more cleanly to 4K resolutions than lower resolutions like 480p. This helps avoid potential issues such as input lag or incorrect aspect ratio handling that can sometimes occur with certain displays, like the LG C4, when dealing with non-native resolutions. The firmware specifically uses the non-RT PicoHDMI path for better 720p stability, along with an updated PicoHDMI featuring fast-slew and a 12mA HSTX pad drive.
Versatility for Modders
Beyond 720p, the earlier addition of 240p support caters to a different segment of the retro community. Users with dedicated external video scalers that accept HDMI inputs can now receive a pristine, original 240p signal directly from the MVS. This allows them to apply their preferred scaling algorithms and filters. Furthermore, those using more affordable YPbPr, VGA, or SCART digital-to-analogue converters (DACs) can also benefit from a clean analogue output signal. The existing 480p output remains available, ensuring compatibility for PC CRT monitor owners and other specific setups.
Audio Improvements and Accessibility
The NeoPico-HD project has also seen improvements on the audio front. Recent updates added PCM1802 analogue-to-digital converter (ADC) audio support for Neo Geo AES and non-MV1C MVS boards. What this hints at, for the scene, is a growing trend towards more accessible digital video solutions. Raspberry Pi Pico 2-based projects like the NeoPico-HD can be produced at a much lower cost than many FPGA-based alternatives, potentially opening up HDMI and other digital output mods to a broader range of Neo Geo owners.
An Open-Source Future
Fliperama86 has stated there are no current plans to commercialise the NeoPico-HD project. However, its completely open-source nature, with no restrictive license attached, means anyone is free to build, modify, or even sell their own versions. This community-driven approach is a hallmark of the retro modding scene, fostering innovation and allowing enthusiasts to adapt the technology to their specific needs. It's a genuine shift towards democratising high-quality digital output for classic hardware.
The continuous development of projects like NeoPico-HD shows the enduring passion within the Neo Geo community for modernising classic hardware. With 720p now available alongside 240p and 480p, and robust audio support, this open-source solution offers a compelling, cost-effective path for MVS owners to enjoy their games on virtually any display. This kind of project helps keep the hardware alive and relevant for new generations of players.
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Originally published by RetroRGB. Read original article.