r107
[asm modified] add trace logger (ported from bsnes, so thanks should go to byuu); DEBUGGER build might have such a function, but I don´t know. I think that isn´t maintained for a long time anyway...

r106
Lua: add memory.registerread (asm modified; requires rebuild)

r105
Lua: several changes for joypad api: * removed interfaces for unused bits, no one uses them. * fixed joypad.set, it works fine even though the script has no frame-advance loop. * changed joypad.set, it no longer adds input if the field value means false.

r104
Lua: add emu.emulating