v1.3 Release

• White noise feature now fully supported. (Will lose experimental tag next release.)
• Slightly improved volume mapping
• Properly compatible with Python 2.x and 3.x
• Improved noise mixing

v1.3 Beta

• Python 2.7 and 3.x compatible
• Experimental tuned white noise feature --white
• Improved noise channel mix
• Various cleanups
• Added Arduino binary file output

Interim Version Release

1.2

Added ymdump utility

Generally available & working

• Command line
• Reports more useful error when given LHA versions of YM files
• Generally acceptable outputs from most YM files it is given
• Simulated envelope support
• Periodic noise based bass sounds

Initial release

Will convert unpacked YM files to SN76489 compatible VGM files.
YMMV depending on if the YM file you are converting uses envelopes or digi drums!