tniNES is an open source program, licensed under the GPL (v3+), to edit and otherwise manipulate NES ROM-images in iNES-format (.NES files), used by emulators like iNES, NESticle and fwNES. tniNES is written in QuickBASIC, with MS-DOS in mind.
Inspired by Sean Young's SCROM, ROMLOAD started as a fairly simple tool to load and execute a ROM in a Konami Sound Cartridge like Snatcher and SD-Snatcher.
GEM runs on MSX2 and above, but is optimized for MSX turboR. Written in 100% assembly and employing advanced translation techniques, GEM is able to run Gameboy games at playable speeds.