diff --git a/src/mame/audio/namco52.cpp b/src/mame/audio/namco52.cpp
index 7375bd7d753..b1183a556fd 100644
--- a/src/mame/audio/namco52.cpp
+++ b/src/mame/audio/namco52.cpp
@@ -184,7 +184,10 @@ void namco_52xx_device::device_start()
 
 	/* start the external clock */
 	if (m_extclock != 0)
-		machine().scheduler().timer_pulse(attotime(0, m_extclock), timer_expired_delegate(FUNC(namco_52xx_device::external_clock_pulse),this), 0);
+	{
+		m_extclock_pulse_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(namco_52xx_device::external_clock_pulse), this));
+		m_extclock_pulse_timer->adjust(attotime(0, m_extclock), 0, attotime(0, m_extclock));
+	}
 }
 
 //-------------------------------------------------
diff --git a/src/mame/audio/namco52.h b/src/mame/audio/namco52.h
index 5ec24260315..b88565dd647 100644
--- a/src/mame/audio/namco52.h
+++ b/src/mame/audio/namco52.h
@@ -63,6 +63,7 @@ private:
 
 	int m_basenode;
 	attoseconds_t m_extclock;
+	emu_timer *m_extclock_pulse_timer;
 	devcb_read8 m_romread;
 	devcb_read8 m_si;
 
diff --git a/src/mame/drivers/pasopia.cpp b/src/mame/drivers/pasopia.cpp
index 2403fc33829..2a15b175685 100644
--- a/src/mame/drivers/pasopia.cpp
+++ b/src/mame/drivers/pasopia.cpp
@@ -62,6 +62,7 @@ private:
 	uint8_t m_mux_data;
 	bool m_video_wl;
 	bool m_ram_bank;
+	emu_timer *m_pio_timer;
 	virtual void machine_start() override;
 	virtual void machine_reset() override;
 	required_device<cpu_device> m_maincpu;
@@ -272,7 +273,8 @@ We preset all banks here, so that bankswitching will incur no speed penalty.
 	membank("bank1")->configure_entries(0, 2, &ram[0x00000], 0x10000);
 	membank("bank2")->configure_entry(0, &ram[0x10000]);
 
-	machine().scheduler().timer_pulse(attotime::from_hz(50), timer_expired_delegate(FUNC(pasopia_state::pio_timer),this));
+	m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia_state::pio_timer), this));
+	m_pio_timer->adjust(attotime::from_hz(50), 0, attotime::from_hz(50));
 }
 
 static MACHINE_CONFIG_START( pasopia, pasopia_state )
diff --git a/src/mame/drivers/pasopia7.cpp b/src/mame/drivers/pasopia7.cpp
index 7d4ea993e16..f8b1903b563 100644
--- a/src/mame/drivers/pasopia7.cpp
+++ b/src/mame/drivers/pasopia7.cpp
@@ -114,6 +114,7 @@ private:
 	int m_addr_latch;
 	void pasopia_nmi_trap();
 	uint8_t m_mux_data;
+	emu_timer *m_pio_timer;
 	virtual void machine_reset() override;
 	void fdc_irq(bool state);
 	void draw_cg4_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width);
@@ -1048,13 +1049,15 @@ ROM_END
 DRIVER_INIT_MEMBER(pasopia7_state,p7_raster)
 {
 	m_screen_type = 1;
-	machine().scheduler().timer_pulse(attotime::from_hz(50), timer_expired_delegate(FUNC(pasopia7_state::pio_timer),this));
+	m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia7_state::pio_timer), this));
+	m_pio_timer->adjust(attotime::from_hz(50), 0, attotime::from_hz(50));
 }
 
 DRIVER_INIT_MEMBER(pasopia7_state,p7_lcd)
 {
 	m_screen_type = 0;
-	machine().scheduler().timer_pulse(attotime::from_hz(50), timer_expired_delegate(FUNC(pasopia7_state::pio_timer),this));
+	m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia7_state::pio_timer), this));
+	m_pio_timer->adjust(attotime::from_hz(50), 0, attotime::from_hz(50));
 }
 
 
diff --git a/src/mame/drivers/pcw.cpp b/src/mame/drivers/pcw.cpp
index a7f19de601a..326f636baf6 100644
--- a/src/mame/drivers/pcw.cpp
+++ b/src/mame/drivers/pcw.cpp
@@ -2,7 +2,7 @@
 // copyright-holders:Kevin Thacker
 /******************************************************************************
 
-    pcw.c
+    pcw.cpp
     system driver
 
     Kevin Thacker [MESS driver]
@@ -165,7 +165,7 @@ TIMER_DEVICE_CALLBACK_MEMBER(pcw_state::pcw_timer_interrupt)
 
 	m_timer_irq_flag = 1;
 	pcw_update_irqs();
-	machine().scheduler().timer_set(attotime::from_usec(100), timer_expired_delegate(FUNC(pcw_state::pcw_timer_pulse),this));
+	m_pulse_timer->adjust(attotime::from_usec(100), 0, attotime::from_usec(100));
 }
 
 /* PCW uses UPD765 in NON-DMA mode. FDC Ints are connected to /INT or
@@ -1038,10 +1038,12 @@ DRIVER_INIT_MEMBER(pcw_state,pcw)
 	m_roller_ram_offset = 0;
 
 	/* timer interrupt */
-	machine().scheduler().timer_set(attotime::zero, timer_expired_delegate(FUNC(pcw_state::setup_beep),this));
+	m_beep_setup_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::setup_beep), this));
+	m_beep_setup_timer->adjust(attotime::zero);
 
-	m_prn_stepper = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::pcw_stepper_callback),this));
-	m_prn_pins = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::pcw_pins_callback),this));
+	m_prn_stepper = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::pcw_stepper_callback), this));
+	m_prn_pins = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::pcw_pins_callback), this));
+	m_pulse_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pcw_state::pcw_timer_pulse), this));
 }
 
 
diff --git a/src/mame/drivers/qdrmfgp.cpp b/src/mame/drivers/qdrmfgp.cpp
index 5ff8bfac1d0..0bcd0eb87cc 100644
--- a/src/mame/drivers/qdrmfgp.cpp
+++ b/src/mame/drivers/qdrmfgp.cpp
@@ -554,7 +554,8 @@ MACHINE_START_MEMBER(qdrmfgp_state,qdrmfgp)
 MACHINE_START_MEMBER(qdrmfgp_state,qdrmfgp2)
 {
 	/* sound irq (CCU? 240Hz) */
-	machine().scheduler().timer_pulse(attotime::from_hz(XTAL_18_432MHz/76800), timer_expired_delegate(FUNC(qdrmfgp_state::gp2_timer_callback),this));
+	m_gp2_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(qdrmfgp_state::gp2_timer_callback), this));
+	m_gp2_timer->adjust(attotime::from_hz(XTAL_18_432MHz/76800), 0, attotime::from_hz(XTAL_18_432MHz/76800));
 
 	MACHINE_START_CALL_MEMBER( qdrmfgp );
 }
diff --git a/src/mame/includes/bk.h b/src/mame/includes/bk.h
index 0910fd45685..6ac9b06d105 100644
--- a/src/mame/includes/bk.h
+++ b/src/mame/includes/bk.h
@@ -26,6 +26,7 @@ public:
 	uint16_t m_key_pressed;
 	uint16_t m_key_irq_vector;
 	uint16_t m_drive;
+	emu_timer *m_kbd_timer;
 	DECLARE_READ16_MEMBER(bk_key_state_r);
 	DECLARE_READ16_MEMBER(bk_key_code_r);
 	DECLARE_READ16_MEMBER(bk_vid_scrool_r);
diff --git a/src/mame/includes/hp48.h b/src/mame/includes/hp48.h
index c9ac8576a08..89ba8b8ba6f 100644
--- a/src/mame/includes/hp48.h
+++ b/src/mame/includes/hp48.h
@@ -79,6 +79,9 @@ public:
 	uint8_t m_screens[ HP48_NB_SCREENS ][ 64 ][ 144 ];
 	int m_cur_screen;
 	uint8_t* m_rom;
+	emu_timer *m_1st_timer;
+	emu_timer *m_2nd_timer;
+	emu_timer *m_kbd_timer;
 
 	DECLARE_DRIVER_INIT(hp48);
 	virtual void machine_reset() override;
diff --git a/src/mame/includes/lisa.h b/src/mame/includes/lisa.h
index 176164f4e38..f43392426e7 100644
--- a/src/mame/includes/lisa.h
+++ b/src/mame/includes/lisa.h
@@ -181,6 +181,7 @@ public:
 	int m_mouse_data_offset;
 	int m_COPS_force_unplug;
 	emu_timer *m_mouse_timer;
+	emu_timer *m_cops_ready_timer;
 	int m_hold_COPS_data;
 	int m_NMIcode;
 	clock_regs_t m_clock_regs;
diff --git a/src/mame/includes/pcw.h b/src/mame/includes/pcw.h
index 41e5df2a26f..5e44dee0c44 100644
--- a/src/mame/includes/pcw.h
+++ b/src/mame/includes/pcw.h
@@ -71,8 +71,10 @@ public:
 	uint32_t m_paper_feed;  // amount of paper fed through printer, by n/360 inches.  One line feed is 61/360in (from the linefeed command in CP/M;s ptr menu)
 	std::unique_ptr<bitmap_ind16> m_prn_output;
 	uint8_t m_printer_p2_prev;
-	emu_timer* m_prn_stepper;
-	emu_timer* m_prn_pins;
+	emu_timer *m_prn_stepper;
+	emu_timer *m_prn_pins;
+	emu_timer *m_pulse_timer;
+	emu_timer *m_beep_setup_timer;
 	DECLARE_READ8_MEMBER(pcw_keyboard_r);
 	DECLARE_READ8_MEMBER(pcw_keyboard_data_r);
 	DECLARE_READ8_MEMBER(pcw_interrupt_counter_r);
diff --git a/src/mame/includes/qdrmfgp.h b/src/mame/includes/qdrmfgp.h
index c7e0e2ab8ac..4d2b29d0dbb 100644
--- a/src/mame/includes/qdrmfgp.h
+++ b/src/mame/includes/qdrmfgp.h
@@ -39,6 +39,7 @@ public:
 	uint16_t m_control;
 	int32_t m_gp2_irq_control;
 	int32_t m_pal;
+	emu_timer *m_gp2_timer;
 
 	DECLARE_WRITE16_MEMBER(gp_control_w);
 	DECLARE_WRITE16_MEMBER(gp2_control_w);
diff --git a/src/mame/includes/rbisland.h b/src/mame/includes/rbisland.h
index 54900b51f01..ca521e489e2 100644
--- a/src/mame/includes/rbisland.h
+++ b/src/mame/includes/rbisland.h
@@ -36,6 +36,7 @@ public:
 	std::unique_ptr<uint8_t[]>    m_CRAM[8];
 	int         m_extra_version;
 	uint8_t       m_current_bank;
+	emu_timer *m_cchip_timer;
 
 	/* devices */
 	required_device<cpu_device> m_maincpu;
diff --git a/src/mame/includes/rm380z.h b/src/mame/includes/rm380z.h
index 41532a64ec7..c43219a3f31 100644
--- a/src/mame/includes/rm380z.h
+++ b/src/mame/includes/rm380z.h
@@ -85,6 +85,8 @@ private:
 	int m_videomode;
 	int m_old_videomode;
 
+	emu_timer *m_static_vblank_timer;
+
 	required_device<cpu_device> m_maincpu;
 	optional_device<cassette_image_device> m_cassette;
 	optional_device<ram_device> m_messram;
diff --git a/src/mame/includes/ti85.h b/src/mame/includes/ti85.h
index 9251f9b54b4..1d1e71e5387 100644
--- a/src/mame/includes/ti85.h
+++ b/src/mame/includes/ti85.h
@@ -112,6 +112,9 @@ public:
 	int m_ti_number_of_frames;
 	std::unique_ptr<uint8_t[]> m_frames;
 	uint8_t * m_bios;
+	emu_timer *m_ti85_timer;
+	emu_timer *m_ti83_1st_timer;
+	emu_timer *m_ti83_2nd_timer;
 	DECLARE_READ8_MEMBER(ti85_port_0000_r);
 	DECLARE_READ8_MEMBER(ti8x_keypad_r);
 	DECLARE_READ8_MEMBER(ti85_port_0006_r);
diff --git a/src/mame/includes/vector06.h b/src/mame/includes/vector06.h
index 88df82c5a55..b9a0e9b5fce 100644
--- a/src/mame/includes/vector06.h
+++ b/src/mame/includes/vector06.h
@@ -116,6 +116,7 @@ private:
 	uint8_t m_aylatch;
 	bool m_stack_state;
 	bool m_romen;
+	emu_timer *m_reset_check_timer;
 
 	void update_mem();
 };
diff --git a/src/mame/includes/z80ne.h b/src/mame/includes/z80ne.h
index 502bb44b0ac..03068d5e97e 100644
--- a/src/mame/includes/z80ne.h
+++ b/src/mame/includes/z80ne.h
@@ -114,6 +114,7 @@ public:
 	int m_lx383_downsampler;
 	uint8_t m_lx385_ctrl;
 	emu_timer *m_cassette_timer;
+	emu_timer *m_kbd_timer;
 	z80ne_cass_data_t m_cass_data;
 	wd17xx_state_t m_wd17xx_state;
 	DECLARE_READ8_MEMBER(lx383_r);
diff --git a/src/mame/machine/bk.cpp b/src/mame/machine/bk.cpp
index 10cbd4df372..c88b995f9f1 100644
--- a/src/mame/machine/bk.cpp
+++ b/src/mame/machine/bk.cpp
@@ -69,7 +69,8 @@ TIMER_CALLBACK_MEMBER(bk_state::keyboard_callback)
 
 void bk_state::machine_start()
 {
-	machine().scheduler().timer_pulse(attotime::from_hz(2400), timer_expired_delegate(FUNC(bk_state::keyboard_callback),this));
+	m_kbd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(bk_state::keyboard_callback), this));
+	m_kbd_timer->adjust(attotime::from_hz(2400), 0, attotime::from_hz(2400));
 }
 
 IRQ_CALLBACK_MEMBER(bk_state::bk0010_irq_callback)
diff --git a/src/mame/machine/hp48.cpp b/src/mame/machine/hp48.cpp
index 4c39f5517ab..72aba7c92b7 100644
--- a/src/mame/machine/hp48.cpp
+++ b/src/mame/machine/hp48.cpp
@@ -1110,11 +1110,15 @@ void hp48_state::hp48_machine_start( hp48_models model )
 	}
 
 	/* timers */
-	machine().scheduler().timer_pulse(attotime::from_hz( 16 ), timer_expired_delegate(FUNC(hp48_state::hp48_timer1_cb),this));
-	machine().scheduler().timer_pulse(attotime::from_hz( 8192 ), timer_expired_delegate(FUNC(hp48_state::hp48_timer2_cb),this));
+	m_1st_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(hp48_state::hp48_timer1_cb), this));
+	m_1st_timer->adjust(attotime::from_hz( 16 ), 0, attotime::from_hz( 16 ));
+
+	m_2nd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(hp48_state::hp48_timer2_cb), this));
+	m_2nd_timer->adjust(attotime::from_hz( 8192 ), 0, attotime::from_hz( 8192 ));
 
 	/* 1ms keyboard polling */
-	machine().scheduler().timer_pulse(attotime::from_msec( 1 ), timer_expired_delegate(FUNC(hp48_state::hp48_kbd_cb),this));
+	m_kbd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(hp48_state::hp48_kbd_cb), this));
+	m_kbd_timer->adjust(attotime::from_msec( 1 ), 0, attotime::from_msec( 1 ));
 
 	/* save state */
 	save_item(NAME(m_out) );
diff --git a/src/mame/machine/lisa.cpp b/src/mame/machine/lisa.cpp
index cfc9ef45f60..0c5b73c0826 100644
--- a/src/mame/machine/lisa.cpp
+++ b/src/mame/machine/lisa.cpp
@@ -945,7 +945,8 @@ void lisa_state::machine_start()
 	m_mouse_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(lisa_state::handle_mouse),this));
 
 	/* read command every ms (don't know the real value) */
-	machine().scheduler().timer_pulse(attotime::from_msec(1), timer_expired_delegate(FUNC(lisa_state::set_COPS_ready),this));
+	m_cops_ready_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(lisa_state::set_COPS_ready), this));
+	m_cops_ready_timer->adjust(attotime::from_msec(1), 0, attotime::from_msec(1));
 
 	m_nvram->set_base(m_fdc_ram, 1024);
 }
diff --git a/src/mame/machine/lviv.cpp b/src/mame/machine/lviv.cpp
index cebbe846cc6..024652e8173 100644
--- a/src/mame/machine/lviv.cpp
+++ b/src/mame/machine/lviv.cpp
@@ -2,7 +2,7 @@
 // copyright-holders:Krzysztof Strzecha
 /***************************************************************************
 
-  machine.c
+  lviv.cpp
 
   Functions to emulate general aspects of PK-01 Lviv (RAM, ROM, interrupts,
   I/O ports)
@@ -208,8 +208,6 @@ void lviv_state::machine_reset()
 	membank("bank3")->set_base(mem + 0x010000);
 	membank("bank4")->set_base(mem + 0x010000);
 
-	/*machine().scheduler().timer_pulse(TIME_IN_NSEC(200), FUNC(lviv_draw_pixel));*/
-
 	/*memset(m_ram->pointer(), 0, sizeof(unsigned char)*0xffff);*/
 }
 
diff --git a/src/mame/machine/rbisland.cpp b/src/mame/machine/rbisland.cpp
index 7b1baf800b9..4b8b1bcbbac 100644
--- a/src/mame/machine/rbisland.cpp
+++ b/src/mame/machine/rbisland.cpp
@@ -815,11 +815,9 @@ READ16_MEMBER(rbisland_state::rbisland_cchip_ram_r)
 
 void rbisland_state::rbisland_cchip_init( int version )
 {
-	int i;
-
 	m_extra_version = version;
 
-	for (i = 0; i < 8; i++)
+	for (int i = 0; i < 8; i++)
 	{
 		m_CRAM[i] = std::make_unique<uint8_t[]>(0x400);
 
@@ -828,5 +826,6 @@ void rbisland_state::rbisland_cchip_init( int version )
 
 	save_item(m_current_bank, "cchip/m_current_bank");
 
-	machine().scheduler().timer_pulse(attotime::from_hz(60), timer_expired_delegate(FUNC(rbisland_state::cchip_timer),this));
+	m_cchip_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(rbisland_state::cchip_timer), this));
+	m_cchip_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60));
 }
diff --git a/src/mame/machine/rm380z.cpp b/src/mame/machine/rm380z.cpp
index 158f26cf182..c3919c51c23 100644
--- a/src/mame/machine/rm380z.cpp
+++ b/src/mame/machine/rm380z.cpp
@@ -238,7 +238,8 @@ WRITE8_MEMBER( rm380z_state::disk_0_control )
 
 void rm380z_state::machine_start()
 {
-	machine().scheduler().timer_pulse(attotime::from_hz(TIMER_SPEED), timer_expired_delegate(FUNC(rm380z_state::static_vblank_timer),this));
+	m_static_vblank_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(rm380z_state::static_vblank_timer), this));
+	m_static_vblank_timer->adjust(attotime::from_hz(TIMER_SPEED), 0, attotime::from_hz(TIMER_SPEED));
 }
 
 DRIVER_INIT_MEMBER( rm380z_state, rm380z )
diff --git a/src/mame/machine/ti85.cpp b/src/mame/machine/ti85.cpp
index f51c9df76fb..bbe219e159d 100644
--- a/src/mame/machine/ti85.cpp
+++ b/src/mame/machine/ti85.cpp
@@ -2,7 +2,7 @@
 // copyright-holders:Krzysztof Strzecha,Jon Sturm
 /***************************************************************************
   TI-85 driver by Krzysztof Strzecha
-  TI-83 Plus, TI-84 Plus, and Siliver Edition support by Jon Sturm
+  TI-83 Plus, TI-84 Plus, and Silver Edition support by Jon Sturm
 
   Functions to emulate general aspects of the machine (RAM, ROM, interrupts,
   I/O ports)
@@ -255,7 +255,8 @@ void ti85_state::machine_start()
 	m_port4_bit0 = 0;
 	m_ti81_port_7_data = 0;
 
-	machine().scheduler().timer_pulse(attotime::from_hz(256), timer_expired_delegate(FUNC(ti85_state::ti85_timer_callback),this));
+	m_ti85_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti85_timer_callback), this));
+	m_ti85_timer->adjust(attotime::from_hz(256), 0, attotime::from_hz(256));
 
 	space.unmap_write(0x0000, 0x3fff);
 	space.unmap_write(0x4000, 0x7fff);
@@ -316,10 +317,10 @@ MACHINE_START_MEMBER(ti85_state,ti83p)
 
 	ti85_state::update_ti83p_memory();
 
-
-	machine().scheduler().timer_pulse(attotime::from_hz(256), timer_expired_delegate(FUNC(ti85_state::ti83_timer1_callback),this));
-	machine().scheduler().timer_pulse(attotime::from_hz(512), timer_expired_delegate(FUNC(ti85_state::ti83_timer2_callback),this));
-
+	m_ti83_1st_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti83_timer1_callback), this));
+	m_ti83_1st_timer->adjust(attotime::from_hz(256), 0, attotime::from_hz(256));
+	m_ti83_2nd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti83_timer2_callback), this));
+	m_ti83_2nd_timer->adjust(attotime::from_hz(512), 0, attotime::from_hz(512));
 
 	/* save states and debugging */
 	save_item(NAME(m_timer_interrupt_status));
@@ -357,8 +358,10 @@ void ti85_state::ti8xpse_init_common()
 
 	ti85_state::update_ti83pse_memory();
 
-	machine().scheduler().timer_pulse(attotime::from_hz(256), timer_expired_delegate(FUNC(ti85_state::ti83_timer1_callback),this));
-	machine().scheduler().timer_pulse(attotime::from_hz(512), timer_expired_delegate(FUNC(ti85_state::ti83_timer2_callback),this));
+	m_ti83_1st_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti83_timer1_callback), this));
+	m_ti83_1st_timer->adjust(attotime::from_hz(256), 0, attotime::from_hz(256));
+	m_ti83_2nd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti83_timer2_callback), this));
+	m_ti83_2nd_timer->adjust(attotime::from_hz(512), 0, attotime::from_hz(512));
 
 	m_crystal_timer1 = timer_alloc(CRYSTAL_TIMER1);
 	m_crystal_timer2 = timer_alloc(CRYSTAL_TIMER2);
@@ -427,7 +430,8 @@ MACHINE_START_MEMBER(ti85_state,ti86)
 	membank("bank4")->set_base(m_ti8x_ram.get());
 	machine().device<nvram_device>("nvram")->set_base(m_ti8x_ram.get(), sizeof(uint8_t)*128*1024);
 
-	machine().scheduler().timer_pulse(attotime::from_hz(256), timer_expired_delegate(FUNC(ti85_state::ti85_timer_callback),this));
+	m_ti85_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(ti85_state::ti85_timer_callback), this));
+	m_ti85_timer->adjust(attotime::from_hz(256), 0, attotime::from_hz(256));
 }
 
 
diff --git a/src/mame/machine/vector06.cpp b/src/mame/machine/vector06.cpp
index f16eae3e56a..db91755457f 100644
--- a/src/mame/machine/vector06.cpp
+++ b/src/mame/machine/vector06.cpp
@@ -218,7 +218,8 @@ READ8_MEMBER(vector06_state::pit8253_r)
 
 void vector06_state::machine_start()
 {
-	machine().scheduler().timer_pulse(attotime::from_hz(50), timer_expired_delegate(FUNC(vector06_state::reset_check_callback),this));
+	m_reset_check_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(vector06_state::reset_check_callback), this));
+	m_reset_check_timer->adjust(attotime::from_hz(50), 0, attotime::from_hz(50));
 }
 
 void vector06_state::machine_reset()
diff --git a/src/mame/machine/z80ne.cpp b/src/mame/machine/z80ne.cpp
index a357d9dd089..5b80e5b1ed4 100644
--- a/src/mame/machine/z80ne.cpp
+++ b/src/mame/machine/z80ne.cpp
@@ -351,8 +351,9 @@ MACHINE_START_MEMBER(z80ne_state,z80ne)
 	save_item(NAME(m_lx383_scan_counter));
 	save_item(NAME(m_lx383_downsampler));
 	save_item(NAME(m_lx383_key));
-	m_cassette_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(z80ne_state::z80ne_cassette_tc),this));
-	machine().scheduler().timer_pulse( attotime::from_hz(1000), timer_expired_delegate(FUNC(z80ne_state::z80ne_kbd_scan),this));
+	m_cassette_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(z80ne_state::z80ne_cassette_tc), this));
+	m_kbd_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(z80ne_state::z80ne_kbd_scan), this));
+	m_kbd_timer->adjust(attotime::from_hz(1000), 0, attotime::from_hz(1000));
 }
 
 MACHINE_START_MEMBER(z80ne_state,z80net)
diff --git a/src/mame/video/vtvideo.cpp b/src/mame/video/vtvideo.cpp
index 225af086bdd..4e3114a5a02 100644
--- a/src/mame/video/vtvideo.cpp
+++ b/src/mame/video/vtvideo.cpp
@@ -108,7 +108,8 @@ void vt100_video_device::device_start()
 	m_write_clear_video_interrupt.resolve_safe();
 
 	// LBA7 is scan line frequency update
-	machine().scheduler().timer_pulse(attotime::from_nsec(31778), timer_expired_delegate(FUNC(vt100_video_device::lba7_change), this));
+	m_lba7_change_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(vt100_video_device::lba7_change), this));
+	m_lba7_change_timer->adjust(attotime::from_nsec(31778), 0, attotime::from_nsec(31778));
 
 	save_item(NAME(m_lba7));
 	save_item(NAME(m_scroll_latch));
diff --git a/src/mame/video/vtvideo.h b/src/mame/video/vtvideo.h
index 1293fdd6cc9..9a2e7e4c6ad 100644
--- a/src/mame/video/vtvideo.h
+++ b/src/mame/video/vtvideo.h
@@ -64,6 +64,7 @@ protected:
 	uint8_t m_fill_lines;
 	uint8_t m_frequency;
 	uint8_t m_interlaced;
+	emu_timer * m_lba7_change_timer;
 
 	required_region_ptr<uint8_t> m_char_rom; /* character rom region */
 	required_device<palette_device> m_palette;