2.9.4 ucsim_51, ucsim_z80, ucsim_stm8 etc. - The Simulators

ucsim_51 (or s51), ucsim_z80 ucsim_m68hc08 and ucsim_stm8 , as well as similarly named programs provided with SDCC, are free open source simulators developed by Daniel Drotos. The simulators are built as part of the build process. For more information visit Daniel's web site at: http://mazsola.iit.uni-miskolc.hu/~drdani/embedded/s51. It currently supports the core mcs51, the Dallas DS80C390, the Phillips XA51 family, the Z80, 6808 the STM8 and various others.