#define TARGET_IS_Z80 (port->id==TARGET_ID_Z80)
#define TARGET_IS_AVR (port->id==TARGET_ID_AVR)
#define TARGET_IS_DS390 (port->id==TARGET_ID_DS390)
#define TARGET_IS_Z80 (port->id==TARGET_ID_Z80)
#define TARGET_IS_AVR (port->id==TARGET_ID_AVR)
#define TARGET_IS_DS390 (port->id==TARGET_ID_DS390)