Added z80clock to mess.flt

src/mame/drivers/flicker.cpp

@@ -45,6 +45,7 @@ The programming seems to be incomplete with some bugs and omissions.
 
 #include "flicker.lh"
 
+namespace {
 
 class flicker_state : public genpin_class
 {
@@ -430,5 +431,7 @@ ROM_START(flicker)
 	ROM_LOAD("flicker.rom", 0x0000, 0x0400, CRC(c692e586) SHA1(5cabb28a074d18b589b5b8f700c57e1610071c68))
 ROM_END
 
+} // Anonymous namespace
+
 //    YEAR   GAME      PARENT  MACHINE   INPUT    CLASS           INIT        ORIENTATION  COMPANY                            DESCRIPTION            FLAGS
 GAME( 1974,  flicker,  0,      flicker,  flicker, flicker_state,  empty_init, ROT0,        "Dave Nutting Associates / Bally", "Flicker (prototype)", MACHINE_IS_INCOMPLETE | MACHINE_MECHANICAL | MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE )

src/mame/mess.flt

@@ -1217,6 +1217,7 @@ z100.cpp
 z1013.cpp
 z22.cpp
 z29.cpp
+z80clock.cpp
 z80dev.cpp
 z80ne.cpp
 z88.cpp