One of the interesting features of the 8086 back in 1978 was the provision for “string” instructions. These took the form of prefixes that would repeat the next instruction a certain nu… ...

If Intel only had retroactively updated the 8088/8086 line with the “8086-2” ISA (there are 8086-1 and 8086-2 chips, but they’re not related to the instructions set). The Z80 series had an ...