The 3.1 version of Sim51 is available as a free download on our software library. The file size of the latest downloadable installer is 91 KB. The following version: 3.1 is the most frequently downloaded one by the program users. The software lies within System Utilities, more precisely Device Assistants. The actual developer of the software is GMESoft. Our antivirus scan shows that this download is virus free.
From the developer:
This software simulates the 8051 micro-controller on a PC. You can debug programs written for 8051 using this simulator. It displays the 8051 CPU registers (R0 to R7, Acc., PC, SP, DPTR etc.) on the screen. the same time watch selected memory locations (from Program Memory, External Data Memory, Internal Data Memory or SFR). you can also monitor the status of these peripherals. You can even simulate input to these peripherals. e.g.
You may want to check out more software, such as COMMUNICATE!, GX30 USB-Handset Manager or Novell® ODBC Driver For eDirectory, which might be related to Sim51.