less space (nw)

src/devices/bus/bbc/userport/beebspch.cpp

@@ -107,7 +107,7 @@ WRITE8_MEMBER(bbc_beebspch_device::pb_w)
 	}
 
 	// allophone
-	m_nsp->ald_w(space, 0, data & 0x3f);
+	m_nsp->ald_w(data & 0x3f);
 }
 
 WRITE_LINE_MEMBER(bbc_beebspch_device::cb1_w)

src/devices/bus/c64/currah_speech.cpp

@@ -234,6 +234,6 @@ void c64_currah_speech_cartridge_device::c64_cd_w(address_space &space, offs_t o
 
 		set_osc1(voice, intonation);
 
-		m_nsp->ald_w(space, 0, data & 0x3f);
+		m_nsp->ald_w(data & 0x3f);
 	}
 }

src/devices/bus/coco/coco_ssc.cpp

@@ -448,7 +448,7 @@ WRITE8_MEMBER(coco_ssc_device::ssc_port_c_w)
 
 	if( (data & C_ALD) == 0 )
 	{
-		m_spo->ald_w(space, 0, m_tms7000_portd);
+		m_spo->ald_w(m_tms7000_portd);
 	}
 
 	if( ((m_tms7000_portc & C_BSY) == 0) && ((data & C_BSY) == C_BSY) )

src/devices/bus/cpc/cpc_ssa1.cpp

@@ -41,7 +41,7 @@ READ8_MEMBER(cpc_ssa1_device::ssa1_r)
 
 WRITE8_MEMBER(cpc_ssa1_device::ssa1_w)
 {
-	m_sp0256_device->ald_w(space, 0, data);
+	m_sp0256_device->ald_w(data);
 }
 
 READ8_MEMBER(cpc_dkspeech_device::dkspeech_r)
@@ -58,7 +58,7 @@ READ8_MEMBER(cpc_dkspeech_device::dkspeech_r)
 
 WRITE8_MEMBER(cpc_dkspeech_device::dkspeech_w)
 {
-	m_sp0256_device->ald_w(space, 0, data & 0x3f);
+	m_sp0256_device->ald_w(data & 0x3f);
 }
 
 WRITE_LINE_MEMBER(cpc_ssa1_device::lrq_cb)

src/devices/bus/einstein/userport/speech.cpp

@@ -85,5 +85,5 @@ uint8_t einstein_speech_device::read()
 void einstein_speech_device::write(uint8_t data)
 {
 	if (BIT(data, 7) == 0)
-		m_sp0256->ald_w(machine().dummy_space(), 0, data & 0x3f);
+		m_sp0256->ald_w(data & 0x3f);
 }

src/devices/bus/intv/voice.cpp

@@ -98,7 +98,7 @@ const tiny_rom_entry *intv_voice_device::device_rom_region() const
 READ16_MEMBER(intv_voice_device::read_speech)
 {
 	if (ACCESSING_BITS_0_7)
-		return m_speech->spb640_r(space, offset, mem_mask);
+		return m_speech->spb640_r(offset);
 	else
 		return 0xff;
 }
@@ -110,7 +110,7 @@ READ16_MEMBER(intv_voice_device::read_speech)
 WRITE16_MEMBER(intv_voice_device::write_speech)
 {
 	if (ACCESSING_BITS_0_7)
-		return m_speech->spb640_w(space, offset, data, mem_mask);
+		return m_speech->spb640_w(offset, data);
 }
 
 

src/devices/bus/odyssey2/voice.cpp

@@ -88,7 +88,7 @@ WRITE_LINE_MEMBER(o2_voice_device::lrq_callback)
 WRITE8_MEMBER(o2_voice_device::io_write)
 {
 	if (data & 0x20)
-		m_speech->ald_w(space, 0, offset & 0x7f);
+		m_speech->ald_w(offset & 0x7f);
 	else
 		m_speech->reset();
 }

src/devices/bus/spectrum/uspeech.cpp

@@ -128,7 +128,7 @@ WRITE8_MEMBER(spectrum_uspeech_device::mreq_w)
 	{
 	case 0x1000:
 		// allophone
-		m_nsp->ald_w(space, 0, data & 0x3f);
+		m_nsp->ald_w(data & 0x3f);
 		break;
 
 	case 0x3000:

src/devices/sound/sp0256.cpp

@@ -1141,7 +1141,7 @@ void sp0256_device::micro()
 
 
 
-WRITE8_MEMBER( sp0256_device::ald_w )
+void sp0256_device::ald_w(uint8_t data)
 {
 	/* ---------------------------------------------------------------- */
 	/*  Drop writes to the ALD register if we're busy.                  */
@@ -1180,7 +1180,7 @@ READ_LINE_MEMBER( sp0256_device::sby_r )
 	return m_sby_line;
 }
 
-READ16_MEMBER( sp0256_device::spb640_r )
+uint16_t sp0256_device::spb640_r(offs_t offset)
 {
 	/* -------------------------------------------------------------------- */
 	/*  Offset 0 returns the SP0256 LRQ status on bit 15.                   */
@@ -1204,11 +1204,11 @@ READ16_MEMBER( sp0256_device::spb640_r )
 	return 0x00ff;
 }
 
-WRITE16_MEMBER( sp0256_device::spb640_w )
+void sp0256_device::spb640_w(offs_t offset, uint16_t data)
 {
 	if (offset == 0)
 	{
-		ald_w(space, 0, data & 0xff);
+		ald_w(data & 0xff);
 		return;
 	}
 

src/devices/sound/sp0256.h

@@ -45,11 +45,11 @@ public:
 	auto data_request_callback() { return m_drq_cb.bind(); }
 	auto standby_callback() { return m_sby_cb.bind(); }
 
-	DECLARE_WRITE8_MEMBER(ald_w);
+	void ald_w(uint8_t data);
 	DECLARE_READ_LINE_MEMBER(lrq_r);
 	DECLARE_READ_LINE_MEMBER(sby_r);
-	DECLARE_READ16_MEMBER(spb640_r);
-	DECLARE_WRITE16_MEMBER(spb640_w);
+	uint16_t spb640_r(offs_t offset);
+	void spb640_w(offs_t offset, uint16_t data);
 
 	TIMER_CALLBACK_MEMBER(set_lrq_timer_proc);
 	void set_clock(int clock);

src/mame/drivers/idsa.cpp

@@ -233,7 +233,7 @@ INPUT_PORTS_END
 // This came from pinmame, even though there's no spb640 chip
 READ8_MEMBER( idsa_state::portb0_r )
 {
-	uint16_t data = m_speech->spb640_r(space, offset / 2);
+	uint16_t data = m_speech->spb640_r(offset / 2);
 	return offset % 2 ? (uint8_t)(data >> 8) : (uint8_t)(data & 0xff);
 }
 

src/mame/drivers/jupace.cpp

@@ -666,7 +666,7 @@ WRITE8_MEMBER(ace_state::ald_w)
 
 	if (!BIT(data, 6))
 	{
-		m_sp0256->ald_w(space, 0, data & 0x3f);
+		m_sp0256->ald_w(data & 0x3f);
 	}
 }
 

src/mame/drivers/sauro.cpp

@@ -181,7 +181,7 @@ WRITE_LINE_MEMBER(sauro_state::flip_screen_w)
 
 WRITE8_MEMBER(sauro_state::adpcm_w)
 {
-	m_sp0256->ald_w(space, 0, data);
+	m_sp0256->ald_w(data);
 }
 
 void sauro_state::sauro_map(address_map &map)