fMSX is a program that emulates MSX, MSX2, and MSX2+ 8bit home computers. fMSX optionally supports using the following BIOS image file for operation: * MSX.ROM (MSX BIOS) * MSX2.ROM (MSX2 BIOS) * MSX2EXT.ROM (MSX2 ExtROM) * MSX2P.ROM (MSX2+ BIOS) * MSX2PEXT.ROM (MSX2+ ExtROM) The BIOS images are included with the fsmx-libretro source tree in the fMSX/ROMs directory. To build the debugging symbols use: DEBUG=1 ./fmsx-libretro.SlackBuild