If you are limiting yourself to only 16 instructions, which ones should you chose, and how do you manage without the ones that fall by the wayside? In my previous column on our project to build a ...

The address space includes a hardware-supported stack in data RAM. Special instructions for the H8/500 include load/store multiple regs, link/unlink for building user stack frames, and test and skip.

Bit Manipulation Instruction Sets (BMI) for rudimentary operations Fused Multiply-Add (FMA), for example for matrices F16C for converting floating point numbers with different bit values RDRAND and ...