McAdam's RISC Computer Architecture (marca) is a simple 16-bit microprocessor, implementing a load/store instruction set architecture and featuring a 4-stage pipeline.
- 16 16-bit registers
- Harvard architecture
- all memories on-chip
- 16KB instruction ROM
- 8KB data RAM
- 256 byte data ROM
- load/store instruction set architecture
- 75 instructions
- 16 interrupt vectors
- 4-stage pipeline
- running on an Altera Cyclone FPGA