All notable changes to the C API for Vortex Tracker II Player (vt_sound) for Spectrum 128/+2/+3/Next will be documented in this file.
- Moved the vt_sound_demo repository into this repository's demo folder.
- Extended vt_mute() to also disable all channels.
- Changed vt_set_play_isr_enabled() parameter from int to boolean.
- Make vt_play() function suitable for calling from a custom ISR.
- Push/pop ix/iy registers in vt_init() and vt_play().
- Added missing const qualifier.
- First public release.