STM32_VGM_Player_YM2612_SN76489 | Sega Genesis music player based off of the STM32 BluePill

by AidanHockey5 C Version: 3.0 License: AGPL-3.0

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kandi X-RAY | STM32_VGM_Player_YM2612_SN76489 Summary

STM32_VGM_Player_YM2612_SN76489 is a C library. STM32_VGM_Player_YM2612_SN76489 has no vulnerabilities, it has a Strong Copyleft License and it has low support. However STM32_VGM_Player_YM2612_SN76489 has 12791 bugs. You can download it from GitHub.

The YM2612 is a 6-channel FM synthesizer IC that was most prominently featured in the Sega Genesis (AKA Megadrive) home video game console. The YM2612 was also featured in the FM-Towns home computer and the Sega C2 Arcade System. The YM2612 also had a CMOS alias that is functionally identical named the YM3438. The SN76489 is a 3-channel + 1 noise channel programmable sound generator (PSG) that was popular with several early video game systems and home computers. Most notably, the SN76489 was featured in the Sega Master system, the predecessor to the Genesis. To allow for backwards compatibility, Sega included a clone of the SN76489 in their new Genesis consoles. Programmers and sound designers could leverage the SN76489 to add three more square wave channels to the YM2612's 6-channels of FM synth, creating 9 channels + 1 noise channels in total. While this player was designed with the Genesis in mind, it can play back any VGM files designed for the Master System, FM-Towns PC, C2 machine, or any other machine that used the YM2612/YM3438 and/or the SN76489. This project synthesizes music from .VGM files in real time on genuine hardware. There is no emulation here. VGM stands for Video Game Music, and it is a 44.1KHz logging format that stores real soundchip register information. My player will parse these files and send the data to the appropriate chips. You can learn more about the VGM file format here:

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STM32_VGM_Player_YM2612_SN76489 has a low active ecosystem.

It has 97 star(s) with 14 fork(s). There are 23 watchers for this library.

It had no major release in the last 12 months.

There are 0 open issues and 8 have been closed. On average issues are closed in 119 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of STM32_VGM_Player_YM2612_SN76489 is 3.0

Quality

STM32_VGM_Player_YM2612_SN76489 has 12791 bugs (0 blocker, 0 critical, 6173 major, 6618 minor) and 8847 code smells.

Security

STM32_VGM_Player_YM2612_SN76489 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

STM32_VGM_Player_YM2612_SN76489 code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

STM32_VGM_Player_YM2612_SN76489 is licensed under the AGPL-3.0 License. This license is Strong Copyleft.

Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

Reuse

STM32_VGM_Player_YM2612_SN76489 releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

It has 100646 lines of code, 0 functions and 404 files.

It has low code complexity. Code complexity directly impacts maintainability of the code.

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STM32_VGM_Player_YM2612_SN76489 Key Features

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STM32_VGM_Player_YM2612_SN76489 Examples and Code Snippets

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Vulnerabilities

No vulnerabilities reported

Install STM32_VGM_Player_YM2612_SN76489

You can download it from GitHub.

Support

After a little tinkering, I've managed to get a YM3438 working as a replacement for the YM2612. For those that don't know, the YM3438 is functionally equivalent to the YM2612, but is made using a CMOS process. The YM3438 is pin-compatible but it is not a drop-in replacement since the output impedance is significantly higher. Fortunately, all you need to do to get a YM3438 to work is mod a couple resistors. WARNING! The final sound output volume will be SIGNIFICANTLY HIGHER with this setup. Be sure to start your YM3438 MegaBlaster at the lowest possible volume before turning on the device and slowly increase the volume to prevent equipment damage and or hearing damage. Why replace the YM2612 with a YM3438? Well, for one, the YM3438 runs very cool while the YM2612s typically get screaming hot during normal operation. The sound quality is also slightly altered with FM synths typically sounding a little more 'sterile' compared to the YM2612's characteristic grit. PCM sample quality is also significantly improved. Later revisions of the Sega Genesis used an ASIC YM3438 instead of a discrete YM2612, so some users may be more familiar with the likes of the YM3438 than the YM2612. It's all personal preference really. You can see a YM2612/YM3438 comparison video here: https://www.youtube.com/watch?v=jMHRtriv1wM.

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