identify CPU

Zilog

  dl $ info
Z85230
Z85230
ESCC
       
         
Z8
Z80 (improved i8080, designed by ex-intel engineers)
Z80 (2.5MHz)
Z80-H / Z80-C (8MHz)
Z80 (CMOS version, 10MHz)
Z18x (Z181, Z182)
Z280
Z8000
Z8001
Z80000
Z320 (CMOS version of Z80000)