While I was working on the demo for my compression library, I did a little bit of cleanup and organization on the music engine I used for Lizard. Just in case someone feels they need yet another NES music engine, here it is:
https://github.com/bbbradsmith/huffmunch/tree/master/danger/music
Notes:
I might eventually move it to its own repository but I'd want to make a dedicated demo/test first.
https://github.com/bbbradsmith/huffmunch/tree/master/danger/music
Notes:
- ca65 (cc65) and python 3 prerequisite
- Subset of Famitracker
- Volume column supported
- No DPCM
- No Hi-Pitch macros (but regular pitch works)
- Tempo fixed at 150 (use Speed instead)
- Bxx for looping
- D00 for variable pattern length
- F0x for variable speed
- No other effects supported
- Sound effects on square 1 and/or noise channel
- 22 bytes ZP
- 105 bytes other RAM
- 2152 bytes of code and tables
- ~1800 cycles per frame
I might eventually move it to its own repository but I'd want to make a dedicated demo/test first.