MSXAdvance is an MSX emulator for Gameboy Advance coded by FluBBa.

Changes:

*Fixed timing of HALT instruction.
*Optimised all Z80 memory reads, one instruction and cycle shorter.
*Optimised DEC opcodes.
*Optimised SBC A/HL opcode.
*Optimised CPI, CPD, CPIR & CPDR opcodes.

http://www.ndsretro.com/