>The CPUs that offered string manipulation instructions—for example, Z-80 and DEC VAX—did so in terms of the far more widespread adr+len model. Hold up, the z8

>The CPUs that offered string manipulation instructions—for example, Z-80 and DEC VAX—did so in terms of the far more widespread adr+len model. Hold up, the z80 offered string maniuplation instructions? Using adr+len, no less? You miiiight call LDIR a string manipulation function using adr+len but in practice almost all z80 machines I've seen use NUL terminated strings and something like CPIR to find it.