diff --git a/src/emu/machine/generic.c b/src/emu/machine/generic.c
index 3d90dcad6fd..c41cf756dbd 100644
--- a/src/emu/machine/generic.c
+++ b/src/emu/machine/generic.c
@@ -583,17 +583,17 @@ static TIMER_CALLBACK( irq_pulse_clear )
 
 /*-------------------------------------------------
     generic_pulse_irq_line - "pulse" an IRQ line by
-    asserting it and then clearing it 1 cycle
+    asserting it and then clearing it x cycle(s)
     later
 -------------------------------------------------*/
 
-void generic_pulse_irq_line(device_t *device, int irqline)
+void generic_pulse_irq_line(device_t *device, int irqline, int cycles)
 {
-	assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET);
+	assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET && cycles > 0);
 	device_set_input_line(device, irqline, ASSERT_LINE);
 
 	cpu_device *cpudevice = downcast<cpu_device *>(device);
-	attotime target_time = cpudevice->local_time() + cpudevice->cycles_to_attotime(cpudevice->min_cycles());
+	attotime target_time = cpudevice->local_time() + cpudevice->cycles_to_attotime(cycles * cpudevice->min_cycles());
 	device->machine().scheduler().timer_set(target_time - device->machine().time(), FUNC(irq_pulse_clear), irqline, (void *)device);
 }
 
@@ -601,16 +601,16 @@ void generic_pulse_irq_line(device_t *device, int irqline)
 /*-------------------------------------------------
     generic_pulse_irq_line_and_vector - "pulse" an
     IRQ line by asserting it and then clearing it
-    1 cycle later, specifying a vector
+    x cycle(s) later, specifying a vector
 -------------------------------------------------*/
 
-void generic_pulse_irq_line_and_vector(device_t *device, int irqline, int vector)
+void generic_pulse_irq_line_and_vector(device_t *device, int irqline, int vector, int cycles)
 {
-	assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET);
+	assert(irqline != INPUT_LINE_NMI && irqline != INPUT_LINE_RESET && cycles > 0);
 	device_set_input_line_and_vector(device, irqline, ASSERT_LINE, vector);
 
 	cpu_device *cpudevice = downcast<cpu_device *>(device);
-	attotime target_time = cpudevice->local_time() + cpudevice->cycles_to_attotime(cpudevice->min_cycles());
+	attotime target_time = cpudevice->local_time() + cpudevice->cycles_to_attotime(cycles * cpudevice->min_cycles());
 	device->machine().scheduler().timer_set(target_time - device->machine().time(), FUNC(irq_pulse_clear), irqline, (void *)device);
 }
 
@@ -633,35 +633,35 @@ INTERRUPT_GEN( nmi_line_assert )	{ if (interrupt_enabled(device)) device_set_inp
 -------------------------------------------------*/
 
 INTERRUPT_GEN( irq0_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 0, HOLD_LINE); }
-INTERRUPT_GEN( irq0_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 0); }
+INTERRUPT_GEN( irq0_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 0, 1); }
 INTERRUPT_GEN( irq0_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 0, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq1_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 1, HOLD_LINE); }
-INTERRUPT_GEN( irq1_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 1); }
+INTERRUPT_GEN( irq1_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 1, 1); }
 INTERRUPT_GEN( irq1_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 1, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq2_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 2, HOLD_LINE); }
-INTERRUPT_GEN( irq2_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 2); }
+INTERRUPT_GEN( irq2_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 2, 1); }
 INTERRUPT_GEN( irq2_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 2, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq3_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 3, HOLD_LINE); }
-INTERRUPT_GEN( irq3_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 3); }
+INTERRUPT_GEN( irq3_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 3, 1); }
 INTERRUPT_GEN( irq3_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 3, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq4_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 4, HOLD_LINE); }
-INTERRUPT_GEN( irq4_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 4); }
+INTERRUPT_GEN( irq4_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 4, 1); }
 INTERRUPT_GEN( irq4_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 4, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq5_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 5, HOLD_LINE); }
-INTERRUPT_GEN( irq5_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 5); }
+INTERRUPT_GEN( irq5_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 5, 1); }
 INTERRUPT_GEN( irq5_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 5, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq6_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 6, HOLD_LINE); }
-INTERRUPT_GEN( irq6_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 6); }
+INTERRUPT_GEN( irq6_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 6, 1); }
 INTERRUPT_GEN( irq6_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 6, ASSERT_LINE); }
 
 INTERRUPT_GEN( irq7_line_hold )		{ if (interrupt_enabled(device)) device_set_input_line(device, 7, HOLD_LINE); }
-INTERRUPT_GEN( irq7_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 7); }
+INTERRUPT_GEN( irq7_line_pulse )	{ if (interrupt_enabled(device)) generic_pulse_irq_line(device, 7, 1); }
 INTERRUPT_GEN( irq7_line_assert )	{ if (interrupt_enabled(device)) device_set_input_line(device, 7, ASSERT_LINE); }
 
 
diff --git a/src/emu/machine/generic.h b/src/emu/machine/generic.h
index e0a91eea32e..26edf2b9036 100644
--- a/src/emu/machine/generic.h
+++ b/src/emu/machine/generic.h
@@ -106,8 +106,8 @@ void set_led_status(running_machine &machine, int num, int value);
 
 /* ----- interrupt enable and vector helpers ----- */
 
-void generic_pulse_irq_line(device_t *device, int irqline);
-void generic_pulse_irq_line_and_vector(device_t *device, int irqline, int vector);
+void generic_pulse_irq_line(device_t *device, int irqline, int cycles);
+void generic_pulse_irq_line_and_vector(device_t *device, int irqline, int vector, int cycles);
 
 
 
diff --git a/src/mame/audio/dcs.c b/src/mame/audio/dcs.c
index 21ef8c489e1..cde0e702fd4 100644
--- a/src/mame/audio/dcs.c
+++ b/src/mame/audio/dcs.c
@@ -1977,7 +1977,7 @@ static TIMER_DEVICE_CALLBACK( dcs_irq )
 		reg = dcs.ireg_base;
 
 		/* generate the (internal, thats why the pulse) irq */
-		generic_pulse_irq_line(dcs.cpu, ADSP2105_IRQ1);
+		generic_pulse_irq_line(dcs.cpu,  ADSP2105_IRQ1, 1);
 	}
 
 	/* store it */
diff --git a/src/mame/audio/n8080.c b/src/mame/audio/n8080.c
index e8fb5a3cc40..cd69deb1ec6 100644
--- a/src/mame/audio/n8080.c
+++ b/src/mame/audio/n8080.c
@@ -191,7 +191,7 @@ static void spacefev_sound_pins_changed( running_machine &machine )
 	}
 	if (changes & ((1 << 0x2) | (1 << 0x3) | (1 << 0x5)))
 	{
-		generic_pulse_irq_line(machine.device("audiocpu"), 0);
+		generic_pulse_irq_line(machine.device("audiocpu"), 0, 1);
 	}
 }
 
@@ -216,7 +216,7 @@ static void sheriff_sound_pins_changed( running_machine &machine )
 	}
 	if (changes & ((1 << 0x2) | (1 << 0x3) | (1 << 0x5)))
 	{
-		generic_pulse_irq_line(machine.device("audiocpu"), 0);
+		generic_pulse_irq_line(machine.device("audiocpu"), 0, 1);
 	}
 }
 
@@ -232,7 +232,7 @@ static void helifire_sound_pins_changed( running_machine &machine )
 
 	if (changes & (1 << 6))
 	{
-		generic_pulse_irq_line(machine.device("audiocpu"), 0);
+		generic_pulse_irq_line(machine.device("audiocpu"), 0, 1);
 	}
 }
 
diff --git a/src/mame/drivers/bfcobra.c b/src/mame/drivers/bfcobra.c
index e5070d81f8e..314d2e8f3e9 100644
--- a/src/mame/drivers/bfcobra.c
+++ b/src/mame/drivers/bfcobra.c
@@ -1398,7 +1398,7 @@ static WRITE8_HANDLER( meter_w )
 		if (changed & (1 << i))
 		{
 			MechMtr_update(i, data & (1 << i) );
-			generic_pulse_irq_line(&space->device(), M6809_FIRQ_LINE);
+			generic_pulse_irq_line(&space->device(), M6809_FIRQ_LINE, 1);
 		}
 	}
 }
@@ -1756,7 +1756,7 @@ static DRIVER_INIT( bfcobra )
 /* TODO */
 static INTERRUPT_GEN( timer_irq )
 {
-	generic_pulse_irq_line(device, M6809_IRQ_LINE);
+	generic_pulse_irq_line(device, M6809_IRQ_LINE, 1);
 }
 
 /* TODO */
diff --git a/src/mame/drivers/bfm_sc1.c b/src/mame/drivers/bfm_sc1.c
index 2787d28bb7a..4bfdc6962c4 100644
--- a/src/mame/drivers/bfm_sc1.c
+++ b/src/mame/drivers/bfm_sc1.c
@@ -176,7 +176,7 @@ static INTERRUPT_GEN( timer_irq )
 
 	    state->m_sc1_Inputs[2] = input_port_read(device->machine(),"STROBE0");
 
-		generic_pulse_irq_line(device->machine().device("maincpu"), M6809_IRQ_LINE);
+		generic_pulse_irq_line(device->machine().device("maincpu"), M6809_IRQ_LINE, 1);
 	}
 }
 
@@ -277,7 +277,7 @@ static WRITE8_HANDLER( mmtr_w )
 			if ( changed & (1 << i) )
 			{
 				MechMtr_update(i, data & (1 << i) );
-				generic_pulse_irq_line(space->machine().device("maincpu"), M6809_FIRQ_LINE);
+				generic_pulse_irq_line(space->machine().device("maincpu"), M6809_FIRQ_LINE, 1);
 			}
 		}
 	}
diff --git a/src/mame/drivers/bfm_sc2.c b/src/mame/drivers/bfm_sc2.c
index b4278cd47be..af7c0fa30cc 100644
--- a/src/mame/drivers/bfm_sc2.c
+++ b/src/mame/drivers/bfm_sc2.c
@@ -444,7 +444,7 @@ static INTERRUPT_GEN( timer_irq )
 		state->m_irq_timer_stat = 0x01;
 		state->m_irq_status     = 0x02;
 
-		generic_pulse_irq_line(device, M6809_IRQ_LINE);
+		generic_pulse_irq_line(device, M6809_IRQ_LINE, 1);
 	}
 }
 
diff --git a/src/mame/drivers/bfmsys85.c b/src/mame/drivers/bfmsys85.c
index e3a9c804aeb..65dee6196ab 100644
--- a/src/mame/drivers/bfmsys85.c
+++ b/src/mame/drivers/bfmsys85.c
@@ -172,7 +172,7 @@ static INTERRUPT_GEN( timer_irq )
 	if ( state->m_is_timer_enabled )
 	{
 		state->m_irq_status = 0x01 |0x02; //0xff;
-		generic_pulse_irq_line(device, M6809_IRQ_LINE);
+		generic_pulse_irq_line(device, M6809_IRQ_LINE, 1);
 	}
 }
 
@@ -235,7 +235,7 @@ static WRITE8_HANDLER( mmtr_w )
 	for (i=0; i<8; i++)
 	if ( changed & (1 << i) )	MechMtr_update(i, data & (1 << i) );
 
-	if ( data ) generic_pulse_irq_line(space->machine().device("maincpu"), M6809_FIRQ_LINE);
+	if ( data ) generic_pulse_irq_line(space->machine().device("maincpu"), M6809_FIRQ_LINE, 1);
 }
 ///////////////////////////////////////////////////////////////////////////
 
diff --git a/src/mame/drivers/cb2001.c b/src/mame/drivers/cb2001.c
index 0a947857663..3b495cebf5f 100644
--- a/src/mame/drivers/cb2001.c
+++ b/src/mame/drivers/cb2001.c
@@ -736,7 +736,7 @@ INPUT_PORTS_END
 
 static INTERRUPT_GEN( vblank_irq )
 {
-	generic_pulse_irq_line(device, NEC_INPUT_LINE_INTP0);
+	generic_pulse_irq_line(device, NEC_INPUT_LINE_INTP0, 1);
 }
 
 static const gfx_layout cb2001_layout =
diff --git a/src/mame/drivers/cball.c b/src/mame/drivers/cball.c
index fed0cea6407..3265d8bca47 100644
--- a/src/mame/drivers/cball.c
+++ b/src/mame/drivers/cball.c
@@ -73,7 +73,7 @@ static TIMER_CALLBACK( interrupt_callback )
 	cball_state *state = machine.driver_data<cball_state>();
 	int scanline = param;
 
-	generic_pulse_irq_line(state->m_maincpu, 0);
+	generic_pulse_irq_line(state->m_maincpu, 0, 1);
 
 	scanline = scanline + 32;
 
diff --git a/src/mame/drivers/changela.c b/src/mame/drivers/changela.c
index ba86d6f086a..b36d49d8578 100644
--- a/src/mame/drivers/changela.c
+++ b/src/mame/drivers/changela.c
@@ -433,7 +433,7 @@ static INTERRUPT_GEN( chl_mcu_irq )
 {
 	changela_state *state = device->machine().driver_data<changela_state>();
 
-	generic_pulse_irq_line(state->m_mcu, 0);
+	generic_pulse_irq_line(state->m_mcu, 0, 1);
 }
 
 static MACHINE_START(changela)
diff --git a/src/mame/drivers/cvs.c b/src/mame/drivers/cvs.c
index 9b7dbf18ce2..490b217dc54 100644
--- a/src/mame/drivers/cvs.c
+++ b/src/mame/drivers/cvs.c
@@ -239,7 +239,7 @@ WRITE8_HANDLER( cvs_s2636_2_or_character_ram_w )
 static INTERRUPT_GEN( cvs_main_cpu_interrupt )
 {
 	device_set_input_line_vector(device, 0, 0x03);
-	generic_pulse_irq_line(device, 0);
+	generic_pulse_irq_line(device, 0, 1);
 
 	cvs_scroll_stars(device->machine());
 }
diff --git a/src/mame/drivers/equites.c b/src/mame/drivers/equites.c
index 40107318d32..eee30d45e34 100644
--- a/src/mame/drivers/equites.c
+++ b/src/mame/drivers/equites.c
@@ -436,7 +436,7 @@ static WRITE8_HANDLER(equites_c0f8_w)
 
 		case 1: // c0f9: RST75 trigger (written by NMI handler)
 			// Note: solder pad CP3 on the pcb would allow to disable this
-			generic_pulse_irq_line(state->m_audio_cpu, I8085_RST75_LINE);
+			generic_pulse_irq_line(state->m_audio_cpu, I8085_RST75_LINE, 1);
 			break;
 
 		case 2: // c0fa: INTR trigger (written by NMI handler)
diff --git a/src/mame/drivers/firetrk.c b/src/mame/drivers/firetrk.c
index 1c38986a5dd..bd14f62c347 100644
--- a/src/mame/drivers/firetrk.c
+++ b/src/mame/drivers/firetrk.c
@@ -62,7 +62,7 @@ static TIMER_CALLBACK( periodic_callback )
 {
 	int scanline = param;
 
-	generic_pulse_irq_line(machine.device("maincpu"), 0);
+	generic_pulse_irq_line(machine.device("maincpu"), 0, 1);
 
 	/* IRQs are generated by inverse 16V signal */
 	scanline += 32;
diff --git a/src/mame/drivers/flyball.c b/src/mame/drivers/flyball.c
index b7efa8ab542..14088327471 100644
--- a/src/mame/drivers/flyball.c
+++ b/src/mame/drivers/flyball.c
@@ -119,7 +119,7 @@ static TIMER_CALLBACK( flyball_joystick_callback )
 	int potsense = param;
 
 	if (potsense & ~state->m_potmask)
-		generic_pulse_irq_line(state->m_maincpu, 0);
+		generic_pulse_irq_line(state->m_maincpu, 0, 1);
 
 	state->m_potsense |= potsense;
 }
diff --git a/src/mame/drivers/gaelco3d.c b/src/mame/drivers/gaelco3d.c
index af89606d135..6d9f552506a 100644
--- a/src/mame/drivers/gaelco3d.c
+++ b/src/mame/drivers/gaelco3d.c
@@ -657,7 +657,7 @@ static TIMER_DEVICE_CALLBACK( adsp_autobuffer_irq )
 		reg = state->m_adsp_ireg_base;
 
 		/* generate the (internal, thats why the pulse) irq */
-		generic_pulse_irq_line(adsp, ADSP2105_IRQ1);
+		generic_pulse_irq_line(adsp, ADSP2105_IRQ1, 1);
 	}
 
 	/* store it */
diff --git a/src/mame/drivers/igs_m027.c b/src/mame/drivers/igs_m027.c
index 7f205dae73d..ca7a53e6737 100644
--- a/src/mame/drivers/igs_m027.c
+++ b/src/mame/drivers/igs_m027.c
@@ -383,7 +383,7 @@ GFXDECODE_END
 
 static INTERRUPT_GEN( igs_majhong_interrupt )
 {
-	generic_pulse_irq_line(device, ARM7_FIRQ_LINE);
+	generic_pulse_irq_line(device, ARM7_FIRQ_LINE, 1);
 }
 
 
diff --git a/src/mame/drivers/lasso.c b/src/mame/drivers/lasso.c
index 2998aabc489..2df2ae4349c 100644
--- a/src/mame/drivers/lasso.c
+++ b/src/mame/drivers/lasso.c
@@ -51,7 +51,7 @@ static WRITE8_HANDLER( sound_command_w )
 {
 	lasso_state *state = space->machine().driver_data<lasso_state>();
 	soundlatch_w(space, offset, data);
-	generic_pulse_irq_line(state->m_audiocpu, 0);
+	generic_pulse_irq_line(state->m_audiocpu, 0, 1);
 }
 
 static WRITE8_HANDLER( pinbo_sound_command_w )
diff --git a/src/mame/drivers/m90.c b/src/mame/drivers/m90.c
index 9f734fa56b3..74775f1cb9e 100644
--- a/src/mame/drivers/m90.c
+++ b/src/mame/drivers/m90.c
@@ -696,7 +696,7 @@ static INTERRUPT_GEN( bomblord_fake_nmi )
 
 static INTERRUPT_GEN( m90_interrupt )
 {
-	generic_pulse_irq_line(device, NEC_INPUT_LINE_INTP0);
+	generic_pulse_irq_line(device, NEC_INPUT_LINE_INTP0, 1);
 }
 
 static INTERRUPT_GEN( dynablsb_interrupt )
diff --git a/src/mame/drivers/maxaflex.c b/src/mame/drivers/maxaflex.c
index 2ee41a29e05..2776246b910 100644
--- a/src/mame/drivers/maxaflex.c
+++ b/src/mame/drivers/maxaflex.c
@@ -178,7 +178,7 @@ static TIMER_DEVICE_CALLBACK( mcu_timer_proc )
 		if ( (state->m_tcr & 0x40) == 0 )
 		{
 			//timer interrupt!
-			generic_pulse_irq_line(timer.machine().device("mcu"), M68705_INT_TIMER);
+			generic_pulse_irq_line(timer.machine().device("mcu"), M68705_INT_TIMER, 1);
 		}
 	}
 }
diff --git a/src/mame/drivers/mgolf.c b/src/mame/drivers/mgolf.c
index e43b7db17b4..610914c975f 100644
--- a/src/mame/drivers/mgolf.c
+++ b/src/mame/drivers/mgolf.c
@@ -112,7 +112,7 @@ static TIMER_CALLBACK( interrupt_callback )
 
 	update_plunger(machine);
 
-	generic_pulse_irq_line(state->m_maincpu, 0);
+	generic_pulse_irq_line(state->m_maincpu, 0, 1);
 
 	scanline = scanline + 32;
 
diff --git a/src/mame/drivers/multigam.c b/src/mame/drivers/multigam.c
index 919b255ac53..a37adee142c 100644
--- a/src/mame/drivers/multigam.c
+++ b/src/mame/drivers/multigam.c
@@ -377,7 +377,7 @@ static void multigam3_mmc3_scanline_cb( device_t *device, int scanline, int vbla
 		if (--state->m_multigam3_mmc3_scanline_counter == -1)
 		{
 			state->m_multigam3_mmc3_scanline_counter = state->m_multigam3_mmc3_scanline_latch;
-			generic_pulse_irq_line(device->machine().device("maincpu"), 0);
+			generic_pulse_irq_line(device->machine().device("maincpu"), 0, 1);
 		}
 	}
 }
diff --git a/src/mame/drivers/namcond1.c b/src/mame/drivers/namcond1.c
index fa07b1a3806..2f14cdedd05 100644
--- a/src/mame/drivers/namcond1.c
+++ b/src/mame/drivers/namcond1.c
@@ -273,7 +273,7 @@ static INTERRUPT_GEN( mcu_interrupt )
 	namcond1_state *state = device->machine().driver_data<namcond1_state>();
 	if( state->m_h8_irq5_enabled )
 	{
-		generic_pulse_irq_line(device, H8_IRQ5);
+		generic_pulse_irq_line(device, H8_IRQ5, 1);
 	}
 }
 
diff --git a/src/mame/drivers/namcos22.c b/src/mame/drivers/namcos22.c
index 2a55043f909..dd287a6505e 100644
--- a/src/mame/drivers/namcos22.c
+++ b/src/mame/drivers/namcos22.c
@@ -2727,7 +2727,7 @@ static READ8_HANDLER( propcycle_mcu_adc_r )
 				int i;
 				for (i = 0; i < 16; i++)
 				{
-					generic_pulse_irq_line(space->machine().device("mcu"), M37710_LINE_TIMERA3TICK);
+					generic_pulse_irq_line(space->machine().device("mcu"), M37710_LINE_TIMERA3TICK, 1);
 				}
 			}
 
diff --git a/src/mame/drivers/nwk-tr.c b/src/mame/drivers/nwk-tr.c
index 60eab11669a..191eff2ea9a 100644
--- a/src/mame/drivers/nwk-tr.c
+++ b/src/mame/drivers/nwk-tr.c
@@ -638,9 +638,9 @@ static const adc12138_interface nwktr_adc_interface = {
 static void sound_irq_callback(running_machine &machine, int irq)
 {
 	if (irq == 0)
-		generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ1);
+		generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ1, 1);
 	else
-		generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ2);
+		generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ2, 1);
 }
 
 static const k056800_interface nwktr_k056800_interface =
diff --git a/src/mame/drivers/pgm.c b/src/mame/drivers/pgm.c
index 93976a2b8b3..fa45b6e9dd2 100644
--- a/src/mame/drivers/pgm.c
+++ b/src/mame/drivers/pgm.c
@@ -313,7 +313,7 @@ static WRITE16_HANDLER( arm7_latch_68k_w )
 		logerror("M68K: Latch write: %04x (%04x) (%06x)\n", data & 0x0000ffff, mem_mask, cpu_get_pc(&space->device()));
 	COMBINE_DATA(&state->m_kov2_latchdata_68k_w);
 
-	generic_pulse_irq_line(state->m_prot, ARM7_FIRQ_LINE);
+	generic_pulse_irq_line(state->m_prot, ARM7_FIRQ_LINE, 1);
 	space->machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(200));
 	device_spin_until_time(&space->device(), state->m_prot->cycles_to_attotime(200)); // give the arm time to respond (just boosting the interleave doesn't help)
 }
@@ -562,7 +562,7 @@ static READ16_HANDLER( svg_68k_nmi_r )
 static WRITE16_HANDLER( svg_68k_nmi_w )
 {
 	pgm_state *state = space->machine().driver_data<pgm_state>();
-	generic_pulse_irq_line(state->m_prot, ARM7_FIRQ_LINE);
+	generic_pulse_irq_line(state->m_prot, ARM7_FIRQ_LINE, 1);
 	space->machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(200));
 	device_spin_until_time(&space->device(), state->m_prot->cycles_to_attotime(200)); // give the arm time to respond (just boosting the interleave doesn't help)
 }
diff --git a/src/mame/drivers/pntnpuzl.c b/src/mame/drivers/pntnpuzl.c
index 58f66586810..e465b14b32a 100644
--- a/src/mame/drivers/pntnpuzl.c
+++ b/src/mame/drivers/pntnpuzl.c
@@ -319,7 +319,7 @@ static INPUT_CHANGED( coin_inserted )
 
 	/* TODO: change this! */
 	if(newval)
-		generic_pulse_irq_line(state->m_maincpu, (UINT8)(FPTR)param);
+		generic_pulse_irq_line(state->m_maincpu, (UINT8)(FPTR)param, 1);
 }
 
 static INPUT_PORTS_START( pntnpuzl )
diff --git a/src/mame/drivers/segas16b.c b/src/mame/drivers/segas16b.c
index 46bc4fe46e4..b42870061d3 100644
--- a/src/mame/drivers/segas16b.c
+++ b/src/mame/drivers/segas16b.c
@@ -1401,7 +1401,7 @@ static WRITE8_HANDLER( mcu_data_w )
 {
 	segas1x_state *state = space->machine().driver_data<segas1x_state>();
 	state->m_mcu_data = data;
-	generic_pulse_irq_line(state->m_mcu, 1);
+	generic_pulse_irq_line(state->m_mcu, 1, 1);
 }
 #endif
 
diff --git a/src/mame/drivers/sigmab52.c b/src/mame/drivers/sigmab52.c
index c1f73dc4bfa..b2c6118e42c 100644
--- a/src/mame/drivers/sigmab52.c
+++ b/src/mame/drivers/sigmab52.c
@@ -528,7 +528,7 @@ INPUT_PORTS_END
 
 static INTERRUPT_GEN( timer_irq )
 {
-	generic_pulse_irq_line(device, M6809_IRQ_LINE);
+	generic_pulse_irq_line(device, M6809_IRQ_LINE, 1);
 }
 
 
diff --git a/src/mame/drivers/ssfindo.c b/src/mame/drivers/ssfindo.c
index 03ee86d8e98..5dde36fd9a9 100644
--- a/src/mame/drivers/ssfindo.c
+++ b/src/mame/drivers/ssfindo.c
@@ -279,7 +279,7 @@ static TIMER_CALLBACK( PS7500_Timer0_callback )
 	state->m_PS7500_IO[IRQSTA]|=0x20;
 	if(state->m_PS7500_IO[IRQMSKA]&0x20)
 	{
-		generic_pulse_irq_line(machine.device("maincpu"), ARM7_IRQ_LINE);
+		generic_pulse_irq_line(machine.device("maincpu"), ARM7_IRQ_LINE, 1);
 	}
 }
 
@@ -300,7 +300,7 @@ static TIMER_CALLBACK( PS7500_Timer1_callback )
 	state->m_PS7500_IO[IRQSTA]|=0x40;
 	if(state->m_PS7500_IO[IRQMSKA]&0x40)
 	{
-		generic_pulse_irq_line(machine.device("maincpu"), ARM7_IRQ_LINE);
+		generic_pulse_irq_line(machine.device("maincpu"), ARM7_IRQ_LINE, 1);
 	}
 }
 
@@ -320,7 +320,7 @@ static INTERRUPT_GEN( ssfindo_interrupt )
 	state->m_PS7500_IO[IRQSTA]|=0x08;
 		if(state->m_PS7500_IO[IRQMSKA]&0x08)
 		{
-			generic_pulse_irq_line(device, ARM7_IRQ_LINE);
+			generic_pulse_irq_line(device, ARM7_IRQ_LINE, 1);
 		}
 }
 
diff --git a/src/mame/drivers/starshp1.c b/src/mame/drivers/starshp1.c
index 54cd255b600..f70d3da734a 100644
--- a/src/mame/drivers/starshp1.c
+++ b/src/mame/drivers/starshp1.c
@@ -17,7 +17,7 @@ Atari Starship 1 driver
 static INTERRUPT_GEN( starshp1_interrupt )
 {
 	if ((input_port_read(device->machine(), "SYSTEM") & 0x90) != 0x90)
-		generic_pulse_irq_line(device, 0);
+		generic_pulse_irq_line(device, 0, 1);
 }
 
 
diff --git a/src/mame/drivers/toratora.c b/src/mame/drivers/toratora.c
index 46a97338fd2..52db67c1bca 100644
--- a/src/mame/drivers/toratora.c
+++ b/src/mame/drivers/toratora.c
@@ -149,7 +149,7 @@ static INTERRUPT_GEN( toratora_timer )
 	if (state->m_last != (input_port_read(device->machine(), "INPUT") & 0x0f))
 	{
 		state->m_last = input_port_read(device->machine(), "INPUT") & 0x0f;
-		generic_pulse_irq_line(device, 0);
+		generic_pulse_irq_line(device, 0, 1);
 	}
 	state->m_pia_u1->set_a_input(input_port_read(device->machine(), "INPUT") & 0x0f, 0);
 	state->m_pia_u1->ca1_w(input_port_read(device->machine(), "INPUT") & 0x10);
diff --git a/src/mame/drivers/truco.c b/src/mame/drivers/truco.c
index 27bdc9dd33c..9004e9b633d 100644
--- a/src/mame/drivers/truco.c
+++ b/src/mame/drivers/truco.c
@@ -399,7 +399,7 @@ static INTERRUPT_GEN( truco_interrupt )
 	{
 		if ( state->m_trigger == 0 )
 		{
-			generic_pulse_irq_line(device, M6809_IRQ_LINE);
+			generic_pulse_irq_line(device, M6809_IRQ_LINE, 1);
 			state->m_trigger++;
 		}
 	} else
diff --git a/src/mame/drivers/ultrsprt.c b/src/mame/drivers/ultrsprt.c
index 259b25fda99..4ba8ab8f13a 100644
--- a/src/mame/drivers/ultrsprt.c
+++ b/src/mame/drivers/ultrsprt.c
@@ -202,7 +202,7 @@ static INTERRUPT_GEN( ultrsprt_vblank )
 static void sound_irq_callback(running_machine &machine, int irq)
 {
 	if (irq == 0)
-		/*generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ5)*/;
+		/*generic_pulse_irq_line(machine.device("audiocpu"), INPUT_LINE_IRQ5, 1)*/;
 	else
 		cputag_set_input_line(machine, "audiocpu", INPUT_LINE_IRQ6, HOLD_LINE);
 }
diff --git a/src/mame/drivers/wecleman.c b/src/mame/drivers/wecleman.c
index 63b50787b42..a45448a1765 100644
--- a/src/mame/drivers/wecleman.c
+++ b/src/mame/drivers/wecleman.c
@@ -1084,7 +1084,7 @@ MACHINE_CONFIG_END
 
 static INTERRUPT_GEN( hotchase_sound_timer )
 {
-	generic_pulse_irq_line(device, M6809_FIRQ_LINE);
+	generic_pulse_irq_line(device, M6809_FIRQ_LINE, 1);
 }
 
 static const k051316_interface hotchase_k051316_intf_0 =
diff --git a/src/mame/machine/archimds.c b/src/mame/machine/archimds.c
index 3ce47404615..970c86231d5 100644
--- a/src/mame/machine/archimds.c
+++ b/src/mame/machine/archimds.c
@@ -74,7 +74,7 @@ void archimedes_request_irq_b(running_machine &machine, int mask)
 
 	if (ioc_regs[IRQ_MASK_B] & mask)
 	{
-		generic_pulse_irq_line(machine.device("maincpu"), ARM_IRQ_LINE);
+		generic_pulse_irq_line(machine.device("maincpu"), ARM_IRQ_LINE, 1);
 	}
 }
 
@@ -84,7 +84,7 @@ void archimedes_request_fiq(running_machine &machine, int mask)
 
 	if (ioc_regs[FIQ_MASK] & mask)
 	{
-		generic_pulse_irq_line(machine.device("maincpu"), ARM_FIRQ_LINE);
+		generic_pulse_irq_line(machine.device("maincpu"), ARM_FIRQ_LINE, 1);
 	}
 }
 
diff --git a/src/mame/machine/galaxold.c b/src/mame/machine/galaxold.c
index 7139b0217c2..0d3d51d6b3d 100644
--- a/src/mame/machine/galaxold.c
+++ b/src/mame/machine/galaxold.c
@@ -418,7 +418,7 @@ DRIVER_INIT( 4in1 )
 
 INTERRUPT_GEN( hunchbks_vh_interrupt )
 {
-	generic_pulse_irq_line_and_vector(device,0,0x03);
+	generic_pulse_irq_line_and_vector(device,0,0x03,1);
 }
 
 DRIVER_INIT( ladybugg )
diff --git a/src/mame/machine/namcos2.c b/src/mame/machine/namcos2.c
index bdf8341b37a..fe9b7dc3b85 100644
--- a/src/mame/machine/namcos2.c
+++ b/src/mame/machine/namcos2.c
@@ -774,7 +774,7 @@ WRITE8_HANDLER( namcos2_mcu_analog_ctrl_w )
 		/* If the interrupt enable bit is set trigger an A/D IRQ */
 		if(data & 0x20)
 		{
-			generic_pulse_irq_line(space->machine().device("mcu"), HD63705_INT_ADCONV);
+			generic_pulse_irq_line(space->machine().device("mcu"), HD63705_INT_ADCONV, 1);
 		}
 	}
 }
diff --git a/src/mame/machine/playch10.c b/src/mame/machine/playch10.c
index 8ecbff2c5a8..4f8d9df42b6 100644
--- a/src/mame/machine/playch10.c
+++ b/src/mame/machine/playch10.c
@@ -872,7 +872,7 @@ static void gboard_scanline_cb( device_t *device, int scanline, int vblank, int
 		if (--state->m_gboard_scanline_counter == -1)
 		{
 			state->m_gboard_scanline_counter = state->m_gboard_scanline_latch;
-			generic_pulse_irq_line(device->machine().device("cart"), 0);
+			generic_pulse_irq_line(device->machine().device("cart"), 0, 1);
 		}
 	}
 }