| File name | Size | Description |
| AY-3-8910.rar | 552710
| AY-3-8910/8912 Programmable Sound Generator Data Manual |
| AY-3-8910_2.rar | 538936
| AY-3-8910/8912/8913 Programmable Sound Generator Datasheet |
| ym2149.rar | 6300648
| YM2149 Software-Controlled Sound Generator Datasheet |
| ym2149r.rar | 66205
| YM2149 Software-Controlled Sound Generator Datasheet (in Russian) |
| AYvsYM.rar | 4588
| Article is devoted to AY and YM differences and to methods of removing these differences (in Russian) |
| AY_YM_NoiseGenerator.7z | 3896
| AY-3-8910 and YM2149F noise generator scheme (with Russian comments) and Pascal/Assembler algorithm |
| LPT-YM.7z | 306346
| YM2149F connecting to PC's printer port (LPT) by Romanich (scheme, board, photo, YM3 and YM5/YM6-files players, source code and description in Russian) |
| LPT-AY.7z | 3357
| AY-3-8910/12 connecting to PC's printer port (LPT) by Vitaly Mayatskih & Alexander Kulik (scheme, description in Russian). Used in several ZX Spectrum emulators |
| ay_play.7z | 321078
| AVR AY-player v1.2 by Freddy (hardware PSG-files player): scheme, layout in Sprint Layout 5 format, photo and firmware |
| AVR AY-player Video (YouTube) | -
| AVR AY-player v1.2 by Freddy: device demonstration video |
