Part of the power of CHIP-8 was it only had 35 virtual instructions. That was important when you were trying to shoehorn a game and the interpreter into a very small memory. Remember, in those ...

IP-AL8052S soft core is instruction set compatible with the 8052 8-bit microcontroller architecture and can achieve average performance of up to 20 million instructions per second.

This paper presents an instruction set simulator of an 8-bit, MCS-51 compatible CPU core ... Motivation Technological progress causes complexity of systems-on-a-chip (SoCs) to grow rapidly in last few ...