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Diffstat (limited to 'src/mame/drivers/sub.cpp')
-rw-r--r--src/mame/drivers/sub.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/drivers/sub.cpp b/src/mame/drivers/sub.cpp
index 7f98040e5a8..697ec8febc5 100644
--- a/src/mame/drivers/sub.cpp
+++ b/src/mame/drivers/sub.cpp
@@ -157,7 +157,7 @@ public:
DECLARE_PALETTE_INIT(sub);
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- INTERRUPT_GEN_MEMBER(main_irq);
+ DECLARE_WRITE_LINE_MEMBER(main_irq);
INTERRUPT_GEN_MEMBER(sound_irq);
void sub(machine_config &config);
void subm_io(address_map &map);
@@ -449,9 +449,9 @@ PALETTE_INIT_MEMBER(sub_state, sub)
}
-INTERRUPT_GEN_MEMBER(sub_state::main_irq)
+WRITE_LINE_MEMBER(sub_state::main_irq)
{
- if (m_int_en)
+ if (state && m_int_en)
m_maincpu->set_input_line(0, ASSERT_LINE);
}
@@ -467,7 +467,6 @@ MACHINE_CONFIG_START(sub_state::sub)
MCFG_CPU_ADD("maincpu", Z80,MASTER_CLOCK/6) /* ? MHz */
MCFG_CPU_PROGRAM_MAP(subm_map)
MCFG_CPU_IO_MAP(subm_io)
- MCFG_CPU_VBLANK_INT_DRIVER("screen", sub_state, main_irq)
MCFG_CPU_ADD("soundcpu", Z80,MASTER_CLOCK/6) /* ? MHz */
MCFG_CPU_PROGRAM_MAP(subm_sound_map)
@@ -490,6 +489,7 @@ MACHINE_CONFIG_START(sub_state::sub)
MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
MCFG_SCREEN_UPDATE_DRIVER(sub_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
+ MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(sub_state, main_irq))
MCFG_GFXDECODE_ADD("gfxdecode", "palette", sub)
MCFG_PALETTE_ADD("palette", 0x400)