This list is for discussion of the design and implementation of field-programmable gate array based processors and integrated systems. It is also for discussion and community support of the XSOC Project (see http://www.fpgacpu.org/xsoc).
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Here's a link to an interesting virtual CPU: http://www.gnu.org/software/lightning/ Provides a code library for dynamic code generation targeting a virtual RISC CPU ( whitewashed 32 bit RISC, 6 general registers + stack pointer + return addr reg ), designed to map well to existing processor (x86,PPC,SPARC) register sets and ISA's. Brian |