TwoMbit v1.0.2 is released. TwoMbit is a cycle accurate Sega Master System emulator.

TwoMbit v1.0.2 Changelog:

v 1.0 beta -> v 1.0.1 [general] - switched to gcc for compiler - switched to QT 4.8 for Gui ( c# / .net is no more ) - build libsms (cross-plattform) [emulation] - gamegear emulation - sg-1000 emulation - emulating additional cart work ram (Ernie Els Golf, the castle, Othello) - emulating bus contention - emulating game gear bios - emulating custom sram sizes (Shining force) - emulating eeprom of the baseball series games - emulating lightpahser, paddle (japanese and export), sportspad (japanese and export), 3d glasses, Terebi Oekaki - emulating gear-2-gear at cycle level - parallel communication (Squinky Tennis in micro machines, Primal Rage, ...) - serial communication - different baud rate settings - emulating backward compatibillity of gamegear(mastergear) and sms - emulating yamaha2413 - fex(zip, 7z, rar, gzip), bzip2, untar for compressed roms [bugfixes] - removed cache for irq detection, now irqs will be detected one cpu cycle before opcode edge ( simplified the overall process) - fixed sample playback - differentiate between sg and sms/gg vdp delay and access window behavior. to do: feature doings - cheats - savestates - replace directx to make TwoMbit platform independant accuracy doings - sn76489: writing to regs will not processed without delay - vdp: accurate access windows during sprite processing - vdp: split sprite subprocessing in timed steps (like bg processing) and not one sprite at a time - yamaha2413: sub sample accuracy

Download: TwoMbit v1.0.2
Source: Here