FluBBa has updated his Master System emulator SMSAdvance. Release notes:

SMSAdvance V1.2 is released, added support for mode0&mode2, so now 2 SMS games (F-16 Fighter&Loretta no Shouzou) and most SG-1000 games are playable. Also fixed the saving of 32kB SRAM.

http://hem.passagen.se/flubba/gba.html