Module regs Copy item path Source Areg A register. Breg B register. Creg C register. Ctrl0 Contains the offsets of AB and CD in the RAM. Ctrl1 Contains the opcode mode, iteration count, and result offset (in RAM) and also launches the accelerator. Note: with CP version: CTRL0 and CRTL1 can be written in one go with MCRR. Dreg D register. Intenclr Clears interrupts. Intenset Sets interrupts. Intstat Interrupt status bits (mask of INTENSET and STATUS). Loader Contains an optional loader to load into CTRL0/1 in steps to perform a set of operations. Lock Security lock register. Mask Optional mask register. Remask Optional re-mask register. Res0 Result register 0. Res1 Result register 1. Res2 Result register 2. Res3 Result register 3. Status Indicates operational status and would contain the carry bit if used.