diff --git a/src/mame/drivers/segag80r.cpp b/src/mame/drivers/segag80r.cpp
index e964523a73a..83d34bef13b 100644
--- a/src/mame/drivers/segag80r.cpp
+++ b/src/mame/drivers/segag80r.cpp
@@ -156,6 +156,7 @@ INPUT_CHANGED_MEMBER(segag80r_state::service_switch)
 
 void segag80r_state::machine_start()
 {
+	m_vblank_latch_clear_timer = timer_alloc(TIMER_VBLANK_LATCH_CLEAR);
 	/* register for save states */
 }
 
diff --git a/src/mame/includes/exidy440.h b/src/mame/includes/exidy440.h
index 832c56512ac..185ad52e7ab 100644
--- a/src/mame/includes/exidy440.h
+++ b/src/mame/includes/exidy440.h
@@ -48,6 +48,8 @@ public:
 	uint8_t m_firq_select;
 	uint8_t m_palettebank_io;
 	uint8_t m_palettebank_vis;
+	emu_timer *m_beam_firq_timer;
+	emu_timer *m_collide_firq_timer;
 	DECLARE_WRITE8_MEMBER(bankram_w);
 	DECLARE_READ8_MEMBER(exidy440_input_port_3_r);
 	DECLARE_READ8_MEMBER(sound_command_ack_r);
diff --git a/src/mame/includes/segag80r.h b/src/mame/includes/segag80r.h
index 55943ead060..796b79c40c8 100644
--- a/src/mame/includes/segag80r.h
+++ b/src/mame/includes/segag80r.h
@@ -158,6 +158,7 @@ public:
 
 protected:
 	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+	emu_timer *m_vblank_latch_clear_timer;
 };
 
 
diff --git a/src/mame/video/exidy440.cpp b/src/mame/video/exidy440.cpp
index 0a5e8580699..5420a665b26 100644
--- a/src/mame/video/exidy440.cpp
+++ b/src/mame/video/exidy440.cpp
@@ -50,6 +50,9 @@ VIDEO_START_MEMBER(exidy440_state,exidy440)
 	/* allocate a buffer for palette RAM */
 	m_local_paletteram = std::make_unique<uint8_t[]>(512 * 2);
 	memset(m_local_paletteram.get(), 0, 512 * 2);
+
+	m_collide_firq_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(exidy440_state::collide_firq_callback), this));
+	m_beam_firq_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(exidy440_state::beam_firq_callback), this));
 }
 
 
@@ -349,7 +352,7 @@ void exidy440_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, c
 
 						/* check the collisions bit */
 						if (check_collision && (palette[2 * pen] & 0x80) && (count++ < 128))
-							screen.machine().scheduler().timer_set(screen.time_until_pos(yoffs, currx), timer_expired_delegate(FUNC(exidy440_state::collide_firq_callback), this), currx);
+							m_collide_firq_timer->adjust(screen.time_until_pos(yoffs, currx), currx);
 					}
 					currx++;
 
@@ -362,7 +365,7 @@ void exidy440_state::draw_sprites(screen_device &screen, bitmap_ind16 &bitmap, c
 
 						/* check the collisions bit */
 						if (check_collision && (palette[2 * pen] & 0x80) && (count++ < 128))
-							screen.machine().scheduler().timer_set(screen.time_until_pos(yoffs, currx), timer_expired_delegate(FUNC(exidy440_state::collide_firq_callback), this), currx);
+							m_collide_firq_timer->adjust(screen.time_until_pos(yoffs, currx), currx);
 					}
 					currx++;
 				}
@@ -430,7 +433,7 @@ uint32_t exidy440_state::screen_update_exidy440(screen_device &screen, bitmap_in
 		attotime time = screen.time_until_pos(beamy, beamx) - increment * 6;
 		for (i = 0; i <= 12; i++)
 		{
-			machine().scheduler().timer_set(time, timer_expired_delegate(FUNC(exidy440_state::beam_firq_callback),this), beamx);
+			m_beam_firq_timer->adjust(time, beamx);
 			time += increment;
 		}
 	}
diff --git a/src/mame/video/segag80r.cpp b/src/mame/video/segag80r.cpp
index 908da5a53a1..cc831db8dab 100644
--- a/src/mame/video/segag80r.cpp
+++ b/src/mame/video/segag80r.cpp
@@ -39,7 +39,7 @@ void segag80r_state::vblank_latch_set()
 	/* set a timer to mimic the 555 timer that drives the EDGINT signal */
 	/* the 555 is run in monostable mode with R=56000 and C=1000pF */
 	m_vblank_latch = 1;
-	timer_set(PERIOD_OF_555_MONOSTABLE(CAP_P(1000), RES_K(56)), TIMER_VBLANK_LATCH_CLEAR);
+	m_vblank_latch_clear_timer->adjust(PERIOD_OF_555_MONOSTABLE(CAP_P(1000), RES_K(56)));
 
 	/* latch the current flip state at the same time */
 	m_video_flip = m_video_control & 1;