From c401273bdabb933622ac16b8effb69a420e57b86 Mon Sep 17 00:00:00 2001
From: hap <happppp@users.noreply.github.com>
Date: Mon, 11 Dec 2023 12:15:09 +0100
Subject: schedule/timer: be more consistent with s32 param

---
 src/devices/machine/atahle.cpp       |  4 ++--
 src/devices/machine/atahle.h         |  4 ++--
 src/devices/machine/chessmachine.cpp |  6 +++---
 src/devices/machine/chessmachine.h   |  6 +++---
 src/devices/machine/edlc.cpp         |  4 ++--
 src/devices/machine/edlc.h           |  4 ++--
 src/devices/machine/timer.h          |  6 +++---
 src/devices/sound/ymfm_mame.h        |  6 +++---
 src/emu/schedule.cpp                 |  6 +++---
 src/emu/schedule.h                   | 12 ++++++------
 src/emu/sound.cpp                    |  2 +-
 src/emu/video.cpp                    |  2 +-
 src/emu/video.h                      |  2 +-
 src/mame/alliedleisure/killcom.cpp   |  6 +++---
 src/mame/alliedleisure/killcom.h     |  6 +++---
 src/mame/cinematronics/leland_a.cpp  |  2 +-
 src/mame/cinematronics/leland_a.h    |  2 +-
 src/mame/dg/aviion88k.cpp            |  2 +-
 src/mame/sgi/hpc3.cpp                |  2 +-
 src/mame/sgi/hpc3.h                  |  2 +-
 src/mame/shared/gottlieb_a.cpp       |  8 ++++----
 src/mame/shared/gottlieb_a.h         |  8 ++++----
 src/mame/shared/seibusound.cpp       |  2 +-
 src/mame/shared/seibusound.h         |  2 +-
 src/mame/shared/xbox_usb.cpp         |  2 +-
 src/mame/shared/xbox_usb.h           |  2 +-
 src/osd/osdnet.cpp                   |  2 +-
 src/osd/osdnet.h                     |  2 +-
 28 files changed, 57 insertions(+), 57 deletions(-)

diff --git a/src/devices/machine/atahle.cpp b/src/devices/machine/atahle.cpp
index 1e5ca3ce289..6decde4cb9f 100644
--- a/src/devices/machine/atahle.cpp
+++ b/src/devices/machine/atahle.cpp
@@ -157,7 +157,7 @@ TIMER_CALLBACK_MEMBER(ata_hle_device_base::empty_tick)
 	fill_buffer();
 }
 
-void ata_hle_device_base::finished_busy(int param)
+void ata_hle_device_base::finished_busy(int32_t param)
 {
 	switch (param)
 	{
@@ -406,7 +406,7 @@ void ata_hle_device_base::update_irq()
 		set_irq_out(CLEAR_LINE);
 }
 
-void ata_hle_device_base::start_busy(const attotime &time, int param)
+void ata_hle_device_base::start_busy(const attotime &time, int32_t param)
 {
 	m_status |= IDE_STATUS_BSY;
 	m_busy_timer->adjust(time, param);
diff --git a/src/devices/machine/atahle.h b/src/devices/machine/atahle.h
index 68ec21e2ecd..63a176c51ed 100644
--- a/src/devices/machine/atahle.h
+++ b/src/devices/machine/atahle.h
@@ -72,7 +72,7 @@ protected:
 		}
 	}
 
-	void start_busy(const attotime &time, int param);
+	void start_busy(const attotime &time, int32_t param);
 	void stop_busy();
 
 	int dev() { return (m_device_head & IDE_DEVICE_HEAD_DRV) >> 4; }
@@ -239,7 +239,7 @@ private:
 	void write_buffer_full();
 	void start_diagnostic();
 	void finished_diagnostic();
-	void finished_busy(int param);
+	void finished_busy(int32_t param);
 	bool set_dma_mode(int word);
 
 	int m_csel;
diff --git a/src/devices/machine/chessmachine.cpp b/src/devices/machine/chessmachine.cpp
index 2515de8e801..b833ccc6108 100644
--- a/src/devices/machine/chessmachine.cpp
+++ b/src/devices/machine/chessmachine.cpp
@@ -73,7 +73,7 @@ void chessmachine_device::device_start()
 //  external handlers
 //-------------------------------------------------
 
-void chessmachine_device::data0_w_sync(int param)
+void chessmachine_device::data0_w_sync(s32 param)
 {
 	if ((m_latch[0] & 1) != param)
 	{
@@ -87,7 +87,7 @@ void chessmachine_device::data0_w(int state)
 	machine().scheduler().synchronize(timer_expired_delegate(FUNC(chessmachine_device::data0_w_sync), this), state ? 1 : 0);
 }
 
-void chessmachine_device::data1_w_sync(int param)
+void chessmachine_device::data1_w_sync(s32 param)
 {
 	if ((m_latch[0] & 0x80) != param)
 	{
@@ -104,7 +104,7 @@ void chessmachine_device::data1_w(int state)
 	machine().scheduler().synchronize(timer_expired_delegate(FUNC(chessmachine_device::data1_w_sync), this), state ? 0x80 : 0);
 }
 
-void chessmachine_device::reset_w_sync(int param)
+void chessmachine_device::reset_w_sync(s32 param)
 {
 	m_maincpu->set_input_line(INPUT_LINE_RESET, param ? ASSERT_LINE : CLEAR_LINE);
 
diff --git a/src/devices/machine/chessmachine.h b/src/devices/machine/chessmachine.h
index 345cbcafa3e..d07ac764e5b 100644
--- a/src/devices/machine/chessmachine.h
+++ b/src/devices/machine/chessmachine.h
@@ -49,9 +49,9 @@ private:
 	u8 m_latch[2];
 	bool m_bootrom_enabled;
 
-	void data0_w_sync(int param);
-	void data1_w_sync(int param);
-	void reset_w_sync(int param);
+	void data0_w_sync(s32 param);
+	void data1_w_sync(s32 param);
+	void reset_w_sync(s32 param);
 
 	void install_bootrom(bool enable);
 	TIMER_DEVICE_CALLBACK_MEMBER(disable_bootrom) { install_bootrom(false); }
diff --git a/src/devices/machine/edlc.cpp b/src/devices/machine/edlc.cpp
index 5a76d5fd96f..28b33a807b8 100644
--- a/src/devices/machine/edlc.cpp
+++ b/src/devices/machine/edlc.cpp
@@ -253,7 +253,7 @@ void seeq8003_device::tx_command_w(u8 data)
 	m_tx_command = data;
 }
 
-void seeq8003_device::transmit(int param)
+void seeq8003_device::transmit(s32 param)
 {
 	if (m_tx_fifo.queue_length())
 	{
@@ -328,7 +328,7 @@ int seeq8003_device::receive(u8 *buf, int length)
 	return length;
 }
 
-void seeq8003_device::interrupt(int param)
+void seeq8003_device::interrupt(s32 param)
 {
 	int const state =
 		(!(m_tx_status & TXS_O) && (m_tx_status & m_tx_command & TXS_M)) ||
diff --git a/src/devices/machine/edlc.h b/src/devices/machine/edlc.h
index 8023c92030c..a450bcba9cd 100644
--- a/src/devices/machine/edlc.h
+++ b/src/devices/machine/edlc.h
@@ -56,9 +56,9 @@ protected:
 	virtual void tx_command_w(u8 data);
 
 	// helpers
-	void transmit(int param);
+	void transmit(s32 param);
 	int receive(u8 *buf, int length);
-	void interrupt(int param = 0);
+	void interrupt(s32 param = 0);
 	virtual bool address_filter(u8 *address);
 	void dump_bytes(u8 *buf, int length);
 
diff --git a/src/devices/machine/timer.h b/src/devices/machine/timer.h
index dbd7e0763f6..965235c7b6f 100644
--- a/src/devices/machine/timer.h
+++ b/src/devices/machine/timer.h
@@ -77,14 +77,14 @@ public:
 	template <typename... T> void set_callback(T &&... args) { m_callback.set(std::forward<T>(args)...); }
 
 	void set_start_delay(const attotime &delay) { m_start_delay = delay; }
-	void config_param(int param) { m_param = param; }
+	void config_param(s32 param) { m_param = param; }
 
 	// property getters
-	int param() const { return m_timer->param(); }
+	s32 param() const { return m_timer->param(); }
 	bool enabled() const { return m_timer->enabled(); }
 
 	// property setters
-	void set_param(int param) const { if(m_type != TIMER_TYPE_GENERIC) fatalerror("Cannot change parameter on a non-generic timer.\n"); m_timer->set_param(param); }
+	void set_param(s32 param) const { if(m_type != TIMER_TYPE_GENERIC) fatalerror("Cannot change parameter on a non-generic timer.\n"); m_timer->set_param(param); }
 	void enable(bool enable = true) const { m_timer->enable(enable); }
 
 	// adjustments
diff --git a/src/devices/sound/ymfm_mame.h b/src/devices/sound/ymfm_mame.h
index 479abdf038b..e6400e76d6c 100644
--- a/src/devices/sound/ymfm_mame.h
+++ b/src/devices/sound/ymfm_mame.h
@@ -144,9 +144,9 @@ protected:
 	}
 
 	// timer callbacks
-	void fm_mode_write(int param) { m_engine->engine_mode_write(param); }
-	void fm_check_interrupts(int param) { m_engine->engine_check_interrupts(); }
-	void fm_timer_handler(int param) { m_engine->engine_timer_expired(param); }
+	void fm_mode_write(s32 param) { m_engine->engine_mode_write(param); }
+	void fm_check_interrupts(s32 param) { m_engine->engine_check_interrupts(); }
+	void fm_timer_handler(s32 param) { m_engine->engine_timer_expired(param); }
 
 	// internal state
 	attotime m_busy_end;                 // busy end time
diff --git a/src/emu/schedule.cpp b/src/emu/schedule.cpp
index aa1f3df50c0..acc596d6798 100644
--- a/src/emu/schedule.cpp
+++ b/src/emu/schedule.cpp
@@ -76,7 +76,7 @@ inline emu_timer &emu_timer::init(
 		running_machine &machine,
 		timer_expired_delegate &&callback,
 		attotime start_delay,
-		int param,
+		s32 param,
 		bool temporary)
 {
 	// ensure the entire timer state is clean
@@ -613,7 +613,7 @@ emu_timer *device_scheduler::timer_alloc(timer_expired_delegate callback)
 //  amount of time
 //-------------------------------------------------
 
-void device_scheduler::timer_set(const attotime &duration, timer_expired_delegate callback, int param)
+void device_scheduler::timer_set(const attotime &duration, timer_expired_delegate callback, s32 param)
 {
 	[[maybe_unused]] emu_timer &timer = m_timer_allocator.alloc()->init(
 			machine(),
@@ -630,7 +630,7 @@ void device_scheduler::timer_set(const attotime &duration, timer_expired_delegat
 //  timer and set it to go off as soon as possible
 //-------------------------------------------------
 
-void device_scheduler::synchronize(timer_expired_delegate callback, int param)
+void device_scheduler::synchronize(timer_expired_delegate callback, s32 param)
 {
 	m_timer_allocator.alloc()->init(
 			machine(),
diff --git a/src/emu/schedule.h b/src/emu/schedule.h
index 338560594d9..e13fc18d573 100644
--- a/src/emu/schedule.h
+++ b/src/emu/schedule.h
@@ -39,11 +39,11 @@ class emu_timer
 public:
 	// getters
 	bool enabled() const noexcept { return m_enabled; }
-	int param() const noexcept { return m_param; }
+	s32 param() const noexcept { return m_param; }
 
 	// setters
 	bool enable(bool enable = true) noexcept;
-	void set_param(int param) noexcept { m_param = param; }
+	void set_param(s32 param) noexcept { m_param = param; }
 
 	// control
 	void reset(const attotime &duration = attotime::never) noexcept { adjust(duration, m_param, m_period); }
@@ -66,7 +66,7 @@ private:
 			running_machine &machine,
 			timer_expired_delegate &&callback,
 			attotime start_delay,
-			int param,
+			s32 param,
 			bool temporary);
 
 	// internal helpers
@@ -121,9 +121,9 @@ public:
 
 	// timers, specified by callback/name
 	emu_timer *timer_alloc(timer_expired_delegate callback);
-	[[deprecated("timer_set is deprecated; please avoid anonymous timers. Use TIMER_CALLBACK_MEMBER and an allocated emu_timer instead.")]]
-	void timer_set(const attotime &duration, timer_expired_delegate callback, int param = 0);
-	void synchronize(timer_expired_delegate callback = timer_expired_delegate(), int param = 0);
+	[[deprecated("timer_set is deprecated; please avoid anonymous timers. Use an allocated emu_timer instead.")]]
+	void timer_set(const attotime &duration, timer_expired_delegate callback, s32 param = 0);
+	void synchronize(timer_expired_delegate callback = timer_expired_delegate(), s32 param = 0);
 
 	// debugging
 	void dump_timers() const;
diff --git a/src/emu/sound.cpp b/src/emu/sound.cpp
index 129112ddb9a..c9626855197 100644
--- a/src/emu/sound.cpp
+++ b/src/emu/sound.cpp
@@ -1508,7 +1508,7 @@ stream_buffer::sample_t sound_manager::adjust_toward_compressor_scale(stream_buf
 //  and send it to the OSD layer
 //-------------------------------------------------
 
-void sound_manager::update(int param)
+void sound_manager::update(s32 param)
 {
 	LOG("sound_update\n");
 
diff --git a/src/emu/video.cpp b/src/emu/video.cpp
index 3c4a39ee862..06a16b76cda 100644
--- a/src/emu/video.cpp
+++ b/src/emu/video.cpp
@@ -518,7 +518,7 @@ void video_manager::exit()
 //  when there are no screens to drive it
 //-------------------------------------------------
 
-void video_manager::screenless_update_callback(int param)
+void video_manager::screenless_update_callback(s32 param)
 {
 	// force an update
 	frame_update(false);
diff --git a/src/emu/video.h b/src/emu/video.h
index da57d6b8a98..efc819ae793 100644
--- a/src/emu/video.h
+++ b/src/emu/video.h
@@ -90,7 +90,7 @@ public:
 private:
 	// internal helpers
 	void exit();
-	void screenless_update_callback(int param);
+	void screenless_update_callback(s32 param);
 	void postload();
 
 	// effective value helpers
diff --git a/src/mame/alliedleisure/killcom.cpp b/src/mame/alliedleisure/killcom.cpp
index 0901d5ca840..c8dc7701127 100644
--- a/src/mame/alliedleisure/killcom.cpp
+++ b/src/mame/alliedleisure/killcom.cpp
@@ -298,19 +298,19 @@ void killcom_state::coin_w(int state)
  *
  *************************************/
 
-void killcom_state::audio_cmd_w_sync(int param)
+void killcom_state::audio_cmd_w_sync(int32_t param)
 {
 	m_riot->pa_w(0, param, 0x7f);
 }
 
 
-void killcom_state::audio_trigger_w_sync(int param)
+void killcom_state::audio_trigger_w_sync(int32_t param)
 {
 	m_riot->pa_bit_w<7>(param);
 }
 
 
-void killcom_state::audio_reset_w_sync(int param)
+void killcom_state::audio_reset_w_sync(int32_t param)
 {
 	if (param && !m_audio_reset)
 	{
diff --git a/src/mame/alliedleisure/killcom.h b/src/mame/alliedleisure/killcom.h
index 8e037a0fe4b..5e1bd2ae8df 100644
--- a/src/mame/alliedleisure/killcom.h
+++ b/src/mame/alliedleisure/killcom.h
@@ -75,9 +75,9 @@ private:
 	void io_select_w(uint8_t data);
 	uint8_t io_port_r();
 
-	void audio_cmd_w_sync(int param);
-	void audio_trigger_w_sync(int param);
-	void audio_reset_w_sync(int param);
+	void audio_cmd_w_sync(int32_t param);
+	void audio_trigger_w_sync(int32_t param);
+	void audio_reset_w_sync(int32_t param);
 	void audio_cmd_w(uint8_t data) { machine().scheduler().synchronize(timer_expired_delegate(FUNC(killcom_state::audio_cmd_w_sync), this), data); }
 	void audio_trigger_w(int state) { machine().scheduler().synchronize(timer_expired_delegate(FUNC(killcom_state::audio_trigger_w_sync), this), state); }
 	void audio_reset_w(int state) { machine().scheduler().synchronize(timer_expired_delegate(FUNC(killcom_state::audio_reset_w_sync), this), state); }
diff --git a/src/mame/cinematronics/leland_a.cpp b/src/mame/cinematronics/leland_a.cpp
index f49f83b8915..53940f6f19e 100644
--- a/src/mame/cinematronics/leland_a.cpp
+++ b/src/mame/cinematronics/leland_a.cpp
@@ -493,7 +493,7 @@ void leland_80186_sound_device::command_hi_w(u8 data)
  *
  *************************************/
 
-void leland_80186_sound_device::delayed_response_r(int param)
+void leland_80186_sound_device::delayed_response_r(s32 param)
 {
 	int checkpc = param;
 	int pc = m_master->pc();
diff --git a/src/mame/cinematronics/leland_a.h b/src/mame/cinematronics/leland_a.h
index 724d27a297e..7d23bb779d8 100644
--- a/src/mame/cinematronics/leland_a.h
+++ b/src/mame/cinematronics/leland_a.h
@@ -71,7 +71,7 @@ protected:
 	void leland_80186_map_program(address_map &map);
 
 private:
-	void delayed_response_r(int param);
+	void delayed_response_r(s32 param);
 	void set_clock_line(int which, int state) { m_clock_active = state ? (m_clock_active | (1<<which)) : (m_clock_active & ~(1<<which)); }
 
 	// internal state
diff --git a/src/mame/dg/aviion88k.cpp b/src/mame/dg/aviion88k.cpp
index ecf8ce154de..82920f3a203 100644
--- a/src/mame/dg/aviion88k.cpp
+++ b/src/mame/dg/aviion88k.cpp
@@ -78,7 +78,7 @@ protected:
 	// address maps
 	void cpu_map(address_map &map);
 
-	void pit_timer(int param) { LOG("pit_timer<%d> expired\n", param); }
+	void pit_timer(s32 param) { LOG("pit_timer<%d> expired\n", param); }
 
 	template <unsigned N> u32 pit_cnt_r() { return m_pit[N]->enabled() ? m_pit[N]->elapsed().as_ticks(m_cpu->clock()) : 0; }
 	template <unsigned N> u32 pit_sts_r() { return m_pit_cmd[N]; }
diff --git a/src/mame/sgi/hpc3.cpp b/src/mame/sgi/hpc3.cpp
index a72ea9603ef..84f46bba4c6 100644
--- a/src/mame/sgi/hpc3.cpp
+++ b/src/mame/sgi/hpc3.cpp
@@ -1071,7 +1071,7 @@ void hpc3_device::eeprom_w(uint32_t data)
 	m_eeprom_clk_cb(BIT(data, 2));
 }
 
-void hpc3_device::enet_transmit(int param)
+void hpc3_device::enet_transmit(int32_t param)
 {
 	// save the first transmit buffer descriptor pointer
 	// TODO: not sure how cpfbdp and ppfbdp work, perhaps round-robin?
diff --git a/src/mame/sgi/hpc3.h b/src/mame/sgi/hpc3.h
index a0fac1cb4f8..c06ba7f9d91 100644
--- a/src/mame/sgi/hpc3.h
+++ b/src/mame/sgi/hpc3.h
@@ -117,7 +117,7 @@ protected:
 	void scsi_drq(bool state, int channel);
 	//void scsi_dma(int channel);
 
-	void enet_transmit(int param = 0);
+	void enet_transmit(int32_t param = 0);
 	void enet_misc_w(u32 data);
 	bool enet_rx_bc_dec(unsigned const count = 1);
 
diff --git a/src/mame/shared/gottlieb_a.cpp b/src/mame/shared/gottlieb_a.cpp
index cb6813a71a7..38e7506ae71 100644
--- a/src/mame/shared/gottlieb_a.cpp
+++ b/src/mame/shared/gottlieb_a.cpp
@@ -67,7 +67,7 @@ gottlieb_sound_p2_device::gottlieb_sound_p2_device(const machine_config &mconfig
 //  write - handle an external command write
 //-------------------------------------------------
 
-void gottlieb_sound_p2_device::write_sync(int param)
+void gottlieb_sound_p2_device::write_sync(s32 param)
 {
 	// write the command data to bits 0-3 (also bit 6 used in system1 pinballs)
 	u8 pb0_3 = ~param & 0x4f; // U7
@@ -176,7 +176,7 @@ gottlieb_sound_p3_device::gottlieb_sound_p3_device(const machine_config &mconfig
 //  write - handle an external command write
 //-------------------------------------------------
 
-void gottlieb_sound_p3_device::write_sync(int param)
+void gottlieb_sound_p3_device::write_sync(s32 param)
 {
 	// low 4 bits NORed together, triggers IRQ on falling edge
 	bool irqclock = (~param & 0xf) == 0;
@@ -286,7 +286,7 @@ gottlieb_sound_r1_device::gottlieb_sound_r1_device(const machine_config &mconfig
 //  write - handle an external command write
 //-------------------------------------------------
 
-void gottlieb_sound_r1_device::write_sync(int param)
+void gottlieb_sound_r1_device::write_sync(s32 param)
 {
 	// write the command data to the low 6 bits, the low 4 bits are also NANDed together and go to PA7
 	u8 pa0_5 = ~param & 0x3f;
@@ -742,7 +742,7 @@ gottlieb_sound_p4_device::gottlieb_sound_p4_device(const machine_config &mconfig
 //  write - handle an external command write
 //-------------------------------------------------
 
-void gottlieb_sound_p4_device::write_sync(int param)
+void gottlieb_sound_p4_device::write_sync(s32 param)
 {
 	// when data is not 0xff, the transparent latch at A3 allows it to pass through unmolested
 	if (param != 0xff)
diff --git a/src/mame/shared/gottlieb_a.h b/src/mame/shared/gottlieb_a.h
index 43a1adf2703..46e6433ce1b 100644
--- a/src/mame/shared/gottlieb_a.h
+++ b/src/mame/shared/gottlieb_a.h
@@ -59,7 +59,7 @@ protected:
 	virtual ioport_constructor device_input_ports() const override;
 	virtual void device_start() override;
 
-	virtual void write_sync(int param);
+	virtual void write_sync(s32 param);
 	void p2_map(address_map &map);
 
 	// devices
@@ -85,7 +85,7 @@ protected:
 	virtual ioport_constructor device_input_ports() const override;
 	virtual void device_start() override;
 
-	virtual void write_sync(int param) override;
+	virtual void write_sync(s32 param) override;
 
 private:
 	void r6530b_w(u8 data);
@@ -116,7 +116,7 @@ protected:
 	virtual ioport_constructor device_input_ports() const override;
 	virtual void device_start() override;
 
-	void write_sync(int param);
+	void write_sync(s32 param);
 
 	virtual void r1_map(address_map &map);
 
@@ -196,7 +196,7 @@ protected:
 	virtual void device_add_mconfig(machine_config &config) override;
 	virtual void device_start() override;
 
-	void write_sync(int param);
+	void write_sync(s32 param);
 	TIMER_CALLBACK_MEMBER(set_nmi);
 	TIMER_CALLBACK_MEMBER(clear_nmi);
 
diff --git a/src/mame/shared/seibusound.cpp b/src/mame/shared/seibusound.cpp
index 7a70a019cf9..00b8a1bcd01 100644
--- a/src/mame/shared/seibusound.cpp
+++ b/src/mame/shared/seibusound.cpp
@@ -130,7 +130,7 @@ void seibu_sound_device::device_reset()
 	update_irq_lines(VECTOR_INIT);
 }
 
-void seibu_sound_device::update_irq_lines(int param)
+void seibu_sound_device::update_irq_lines(s32 param)
 {
 	machine().scheduler().synchronize(timer_expired_delegate(FUNC(seibu_sound_device::update_irq_synced), this), param);
 }
diff --git a/src/mame/shared/seibusound.h b/src/mame/shared/seibusound.h
index 9e309779d4d..81dfb52edbc 100644
--- a/src/mame/shared/seibusound.h
+++ b/src/mame/shared/seibusound.h
@@ -78,7 +78,7 @@ protected:
 	virtual void device_reset() override;
 
 private:
-	void update_irq_lines(int param);
+	void update_irq_lines(s32 param);
 	TIMER_CALLBACK_MEMBER(update_irq_synced);
 
 	// device callbacks
diff --git a/src/mame/shared/xbox_usb.cpp b/src/mame/shared/xbox_usb.cpp
index 751ca3455ef..a1981380208 100644
--- a/src/mame/shared/xbox_usb.cpp
+++ b/src/mame/shared/xbox_usb.cpp
@@ -222,7 +222,7 @@ void ohci_usb_controller::write(offs_t offset, uint32_t data)
 	ohcist.hc_regs[offset] = data;
 }
 
-void ohci_usb_controller::timer(int param)
+void ohci_usb_controller::timer(s32 param)
 {
 	uint32_t plh;
 	int changed = 0;
diff --git a/src/mame/shared/xbox_usb.h b/src/mame/shared/xbox_usb.h
index ca65121243e..5e772ea101c 100644
--- a/src/mame/shared/xbox_usb.h
+++ b/src/mame/shared/xbox_usb.h
@@ -362,7 +362,7 @@ public:
 
 	void start();
 	void reset();
-	void timer(int param);
+	void timer(s32 param);
 
 	uint32_t read(offs_t offset);
 	void write(offs_t offset, uint32_t data);
diff --git a/src/osd/osdnet.cpp b/src/osd/osdnet.cpp
index 0281bed9c1c..aded09bcaff 100644
--- a/src/osd/osdnet.cpp
+++ b/src/osd/osdnet.cpp
@@ -64,7 +64,7 @@ int osd_netdev::send(uint8_t *buf, int len)
 	return 0;
 }
 
-void osd_netdev::recv(int param)
+void osd_netdev::recv(int32_t param)
 {
 	uint8_t *buf;
 	int len;
diff --git a/src/osd/osdnet.h b/src/osd/osdnet.h
index 0c78f0a1fad..05276e7e149 100644
--- a/src/osd/osdnet.h
+++ b/src/osd/osdnet.h
@@ -44,7 +44,7 @@ protected:
 	virtual int recv_dev(uint8_t **buf);
 
 private:
-	void recv(int param);
+	void recv(int32_t param);
 
 	class device_network_interface *m_dev;
 	emu_timer *m_timer;
-- 
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