According to Wikipedia, the first implementation of APL on a micro was on the 8008, in '73. It wasn't very good, but it did run... Later ('77), TIS APL ran on

According to Wikipedia, the first implementation of APL on a micro was on the 8008, in '73. It wasn't very good, but it did run... Later ('77), TIS APL ran on Z80 systems, and was aparently quite a bit better, although it wasn't a full implementation. But I'm just quoting Wikipedia at this point, so look it up yourself.