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-rw-r--r--src/mame/drivers/primo.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/primo.cpp b/src/mame/drivers/primo.cpp
index 9dc3f5d31ed..9fa8669b9cc 100644
--- a/src/mame/drivers/primo.cpp
+++ b/src/mame/drivers/primo.cpp
@@ -250,7 +250,6 @@ MACHINE_CONFIG_START(primo_state::primoa32)
MCFG_CPU_ADD( "maincpu", Z80, 2500000 )
MCFG_CPU_PROGRAM_MAP( primo32_mem)
MCFG_CPU_IO_MAP( primoa_port)
- MCFG_CPU_VBLANK_INT_DRIVER("screen", primo_state, primo_vblank_interrupt)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
@@ -260,6 +259,7 @@ MACHINE_CONFIG_START(primo_state::primoa32)
MCFG_SCREEN_VISIBLE_AREA( 0, 256-1, 0, 192-1 )
MCFG_SCREEN_UPDATE_DRIVER(primo_state, screen_update_primo)
MCFG_SCREEN_PALETTE("palette")
+ MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(primo_state, vblank_irq))
MCFG_PALETTE_ADD_MONOCHROME("palette")