We are now offering our PT13 compact MPU (374 logic elements) free of charge to all Altera users. An editor and assembler are also available (free). The MPU is designed to run with a minimum memory footprint and the assembler creates .mif files for embedding in your code directly.
Details are available here,
http://www.singmai.com/pt13.htm.
Just send us an e-mail at
sales@singmai.com and we will send you the design and license file.
