spimwin.ps (Documentation
for Windows version of the SPIM simulator)
Altera Quartus II Web Edition Ver. 3.0 (Go to www.altera.com
and click on download
button on the right top corner. Download and then obtain a
free license for students by clicking on licensing.)
VHDL Simili 2.3 (Available free from www.symphonyeda.com.
Linux version is available in CS Labs.)