Oh, hello there. Welcome to BupSystem.     BupSystem is an Atari 7800 ProSystem emulator originally written to assist in the development and distribution of Rikki & Vikki. Currently it's closed source and only available for Microsoft Windows.   Emulated Hardware Sally, Maria (NTSC or PAL), TIA, RIOT, and the BIOS Mappers : 16K, 32K, 48K, SUPER, SOUPER, ABSOLUTE, and ACTIVISION Expansion Modules : XBoard Cartridge Audio : P