Differences
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| vtech_music_driver [2024/03/24 08:48] – created pulkomandy | vtech_music_driver [2024/06/20 11:53] (current) – pulkomandy | ||
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| - | Channel 0 is used for voice and sound effects, the other channels are used for music. | + | Channel 0 is used for voice and sound effects, the other channels are used for music. It is slightly modified from Sunplus examples, and also used in the V.Smile Baby games. |
| Channels are allocated dynamically (the code looks for a free channel to play each note as it comes). If there are no channels available, the note is just skipped. | Channels are allocated dynamically (the code looks for a free channel to play each note as it comes). If there are no channels available, the note is just skipped. | ||
| - | 00 20 marks the end of the song. | + | * 00XX-0FXX change instrument of channel (00-0F) to instrument XX |
| + | * 10X0 YYYY pitch bend? | ||
| + | * 2000 marks the end of the song (sets tempo to 0, so the player stops) | ||
| + | * 2XYY (with X > 8) tempo change (for all channels) | ||
| + | * 40XX note duration? | ||
| + | * 8xxW xxYY xxZZ Note on, channel W, note/pitch Y, volume Z | ||
| Otherwise there are commands as 3 words used as 6 packed bytes: | Otherwise there are commands as 3 words used as 6 packed bytes: | ||
