"Alexandre Souza" <alexandre.tabajara at gmail.com> writes: Well, you could build one. ;-) Chris Smith's book on the ULA describes how it works in great detail (it's really very good -- well worth reading): http://www.zxdesign.info/book/ He developed this by first building a Spectrum ULA equivalent from 74-series logic chips (!!), then making a CPLD. See his web pages: http://www.zxdesign.info/indexPage.shtml And there's an open-source FPGA implementation: http://opencores.org/project,zx_ula In practical terms I suspect you're better off looking for someone who's got a +2 with a broken keyboard/tape drive/ratty case... -- Adam Sampson <ats at offog.org> <http://offog.org/>