cw3: Add register indexes
cw3: Update test bench view
cw3: Add register interface signals
cw3: Further register abstraction work
cw3: Register B abstraction
cw3: Refactor ram address registers
cw3: Remove dodgy ram addresses
cw3: Implement RIR
cw3: Implement MTR
cw3: Refactor icc counter if statements
cw3: Add register C interface
cw3: Implement IMTR
cw3: Use intr_reset line
cw3: Update save view