openMSX is an emulator supporting MSX, ColecoVision, Spectravideo SVI-318/328 and Sega SG-1000. It has rewind, savestates, and other useful tools for TASing.
BizHawk supports ColecoVision, SG-1000, and some MSX configurations. You may prefer to use this emulator.
Links
- Website: http://openmsx.org
- Development: https://github.com/openMSX/openMSX
- Sub-forum: Forum/Subforum/70