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Diffstat (limited to 'src/mame/drivers/fastfred.cpp')
-rw-r--r--src/mame/drivers/fastfred.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mame/drivers/fastfred.cpp b/src/mame/drivers/fastfred.cpp
index f9b9fe72ab4..474c7d73be4 100644
--- a/src/mame/drivers/fastfred.cpp
+++ b/src/mame/drivers/fastfred.cpp
@@ -180,6 +180,8 @@ READ8_MEMBER(fastfred_state::imago_sprites_offset_r)
WRITE_LINE_MEMBER(fastfred_state::nmi_mask_w)
{
m_nmi_mask = state;
+ if (!m_nmi_mask)
+ m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}
WRITE8_MEMBER(fastfred_state::sound_nmi_mask_w)
@@ -618,10 +620,10 @@ static GFXDECODE_START( imago )
GFXDECODE_ENTRY( "gfx4", 0, imago_char_1bpp, 0x140, 1 )
GFXDECODE_END
-INTERRUPT_GEN_MEMBER(fastfred_state::vblank_irq)
+WRITE_LINE_MEMBER(fastfred_state::vblank_irq)
{
- if(m_nmi_mask)
- device.execute().set_input_line(INPUT_LINE_NMI, PULSE_LINE);
+ if (state && m_nmi_mask)
+ m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
}
INTERRUPT_GEN_MEMBER(fastfred_state::sound_timer_irq)
@@ -635,7 +637,6 @@ MACHINE_CONFIG_START(fastfred_state::fastfred)
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, XTAL(12'432'000)/4) /* 3.108 MHz; xtal from pcb pics, divider not verified */
MCFG_CPU_PROGRAM_MAP(fastfred_map)
- MCFG_CPU_VBLANK_INT_DRIVER("screen", fastfred_state, vblank_irq)
MCFG_CPU_ADD("audiocpu", Z80, XTAL(12'432'000)/8) /* 1.554 MHz; xtal from pcb pics, divider not verified */
MCFG_CPU_PROGRAM_MAP(sound_map)
@@ -660,6 +661,7 @@ MACHINE_CONFIG_START(fastfred_state::fastfred)
MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MCFG_SCREEN_UPDATE_DRIVER(fastfred_state, screen_update_fastfred)
MCFG_SCREEN_PALETTE("palette")
+ MCFG_SCREEN_VBLANK_CALLBACK(WRITELINE(fastfred_state, vblank_irq))
MCFG_GFXDECODE_ADD("gfxdecode", "palette", fastfred)