dirom: added pre and post rom bank change callbacks and changed almost all users to 'pre'

src/devices/machine/gt913_snd.cpp

@@ -120,7 +120,7 @@ void gt913_sound_device::sound_stream_update(sound_stream& stream, std::vector<r
 	}
 }
 
-void gt913_sound_device::rom_bank_updated()
+void gt913_sound_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/machine/gt913_snd.h

@@ -41,7 +41,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	sound_stream *m_stream;

src/devices/machine/ripple_counter.cpp

@@ -116,11 +116,11 @@ void ripple_counter_device::device_clock_changed()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - called when the ROM bank
-//  is changed
+//  rom_bank_post_change - called after the ROM
+//  bank is changed
 //-------------------------------------------------
 
-void ripple_counter_device::rom_bank_updated()
+void ripple_counter_device::rom_bank_post_change()
 {
 	m_rom_out_cb(read_byte(m_count));
 }

src/devices/machine/ripple_counter.h

@@ -46,7 +46,7 @@ protected:
 
 	// device_rom_interface overrides
 	virtual space_config_vector memory_space_config() const override;
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_post_change() override;
 
 	TIMER_CALLBACK_MEMBER(advance_counter);
 

src/devices/sound/bsmt2000.cpp

@@ -196,10 +196,11 @@ void bsmt2000_device::sound_stream_update(sound_stream &stream, std::vector<read
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void bsmt2000_device::rom_bank_updated()
+void bsmt2000_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/bsmt2000.h

@@ -55,7 +55,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	TIMER_CALLBACK_MEMBER(deferred_reset);
 	TIMER_CALLBACK_MEMBER(deferred_reg_write);

src/devices/sound/c140.cpp

@@ -204,7 +204,7 @@ void c140_device::device_clock_changed()
 }
 
 
-void c140_device::rom_bank_updated()
+void c140_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/c140.h

@@ -41,7 +41,7 @@ protected:
 	virtual void device_start() override;
 	virtual void device_clock_changed() override;
 
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// sound stream update overrides
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;

src/devices/sound/c352.cpp

@@ -50,10 +50,11 @@ c352_device::c352_device(const machine_config &mconfig, const char *tag, device_
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void c352_device::rom_bank_updated()
+void c352_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/c352.h

@@ -42,7 +42,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	enum

src/devices/sound/es5503.cpp

@@ -77,10 +77,11 @@ TIMER_CALLBACK_MEMBER(es5503_device::delayed_stream_update)
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void es5503_device::rom_bank_updated()
+void es5503_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/es5503.h

@@ -38,7 +38,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	TIMER_CALLBACK_MEMBER(delayed_stream_update);
 

src/devices/sound/es8712.cpp

@@ -95,16 +95,7 @@ void es8712_device::device_reset()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - nothing for now
-//-------------------------------------------------
-
-void es8712_device::rom_bank_updated()
-{
-}
-
-
-//-------------------------------------------------
-//   state save support for MAME
+//  state save support for MAME
 //-------------------------------------------------
 
 void es8712_device::es8712_state_save_register()

src/devices/sound/es8712.h

@@ -41,8 +41,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
-
 private:
 	void es8712_state_save_register();
 

src/devices/sound/gaelco.cpp

@@ -327,7 +327,7 @@ void gaelco_gae1_device::device_clock_changed()
 }
 
 
-void gaelco_gae1_device::rom_bank_updated()
+void gaelco_gae1_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/gaelco.h

@@ -46,7 +46,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	static constexpr int NUM_CHANNELS   = 0x07;

src/devices/sound/iremga20.cpp

@@ -117,10 +117,11 @@ void iremga20_device::device_clock_changed()
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void iremga20_device::rom_bank_updated()
+void iremga20_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/iremga20.h

@@ -39,7 +39,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	struct channel_def

src/devices/sound/k053260.cpp

@@ -158,10 +158,11 @@ void k053260_device::device_reset()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void k053260_device::rom_bank_updated()
+void k053260_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/k053260.h

@@ -44,7 +44,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	TIMER_CALLBACK_MEMBER(update_state_outputs);
 

src/devices/sound/k054539.cpp

@@ -557,10 +557,11 @@ void k054539_device::device_reset()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void k054539_device::rom_bank_updated()
+void k054539_device::rom_bank_pre_change()
 {
 	stream->update();
 }

src/devices/sound/k054539.h

@@ -69,7 +69,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	TIMER_CALLBACK_MEMBER(call_timer_handler);
 

src/devices/sound/multipcm.cpp

@@ -778,10 +778,11 @@ void multipcm_device::sound_stream_update(sound_stream &stream, std::vector<read
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void multipcm_device::rom_bank_updated()
+void multipcm_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/multipcm.h

@@ -32,7 +32,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	struct sample_t

src/devices/sound/okim6295.cpp

@@ -190,10 +190,11 @@ void okim6295_device::sound_stream_update(sound_stream &stream, std::vector<read
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void okim6295_device::rom_bank_updated()
+void okim6295_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/okim6295.h

@@ -63,7 +63,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// a single voice
 	class okim_voice

src/devices/sound/okim6376.cpp

@@ -196,8 +196,9 @@ void okim6376_device::device_reset()
 }
 
 
-void okim6376_device::rom_bank_updated()
+void okim6376_device::rom_bank_pre_change()
 {
+	m_stream->update();
 }
 
 

src/devices/sound/okim6376.h

@@ -35,7 +35,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	virtual offs_t get_start_position(int channel);
 	virtual u32 get_sample_rate();

src/devices/sound/okim9810.cpp

@@ -200,10 +200,11 @@ void okim9810_device::device_clock_changed()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void okim9810_device::rom_bank_updated()
+void okim9810_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/okim9810.h

@@ -90,7 +90,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// a single voice
 	class okim_voice

src/devices/sound/qs1000.cpp

@@ -212,10 +212,11 @@ void qs1000_device::device_add_mconfig(machine_config &config)
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void qs1000_device::rom_bank_updated()
+void qs1000_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/qs1000.h

@@ -75,7 +75,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	static constexpr unsigned QS1000_CHANNELS       = 32;

src/devices/sound/qsound.cpp

@@ -262,10 +262,11 @@ void qsound_device::sound_stream_update(sound_stream &stream, std::vector<read_s
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_post_change - called after the ROM
+//  bank is changed
 //-------------------------------------------------
 
-void qsound_device::rom_bank_updated()
+void qsound_device::rom_bank_post_change()
 {
 	machine().scheduler().synchronize();
 }

src/devices/sound/qsound.h

@@ -35,7 +35,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface implementation
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_post_change() override;
 
 	void dsp_io_map(address_map &map);
 

src/devices/sound/qsoundhle.cpp

@@ -50,10 +50,11 @@ qsound_hle_device::qsound_hle_device(const machine_config &mconfig, const char *
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void qsound_hle_device::rom_bank_updated()
+void qsound_hle_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/qsoundhle.h

@@ -33,7 +33,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface implementation
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 

src/devices/sound/rf5c400.cpp

@@ -349,7 +349,7 @@ void rf5c400_device::sound_stream_update(sound_stream &stream, std::vector<read_
 	}
 }
 
-void rf5c400_device::rom_bank_updated()
+void rf5c400_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/rf5c400.h

@@ -37,7 +37,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	struct rf5c400_channel

src/devices/sound/rolandpcm.cpp

@@ -73,10 +73,11 @@ void mb87419_mb87420_device::device_reset()
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void mb87419_mb87420_device::rom_bank_updated()
+void mb87419_mb87420_device::rom_bank_pre_change()
 {
 	// unused right now
 	m_stream->update();

src/devices/sound/rolandpcm.h

@@ -27,7 +27,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	static int16_t decode_sample(int8_t data);
 	static int16_t sample_interpolate(int16_t smp1, int16_t smp2, uint16_t frac);

src/devices/sound/scsp.cpp

@@ -303,7 +303,7 @@ void scsp_device::device_clock_changed()
 	m_stream->set_sample_rate(clock() / 512);
 }
 
-void scsp_device::rom_bank_updated()
+void scsp_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/scsp.h

@@ -44,7 +44,7 @@ protected:
 	virtual void device_post_load() override;
 	virtual void device_clock_changed() override;
 
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// sound stream update overrides
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;

src/devices/sound/segapcm.cpp

@@ -58,10 +58,11 @@ void segapcm_device::device_clock_changed()
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void segapcm_device::rom_bank_updated()
+void segapcm_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/segapcm.h

@@ -44,7 +44,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	std::unique_ptr<uint8_t[]> m_ram;

src/devices/sound/setapcm.cpp

@@ -162,11 +162,12 @@ void setapcm_device<MaxVoices, Divider>::sound_stream_update(sound_stream &strea
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
 template<unsigned MaxVoices, unsigned Divider>
-void setapcm_device<MaxVoices, Divider>::rom_bank_updated()
+void setapcm_device<MaxVoices, Divider>::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/setapcm.h

@@ -41,7 +41,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface implementation
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	static constexpr unsigned MAX_VOICES = MaxVoices;  // max voices
 	static constexpr unsigned CLOCK_DIVIDER = Divider; // clock divider for generate output rate

src/devices/sound/swp00.cpp

@@ -28,7 +28,7 @@ void swp00_device::device_reset()
 {
 }
 
-void swp00_device::rom_bank_updated()
+void swp00_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/swp00.h

@@ -22,7 +22,7 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 	virtual void device_add_mconfig(machine_config &config) override;
 
 private:

src/devices/sound/swp20.cpp

@@ -28,10 +28,6 @@ void swp20_device::device_reset()
 	m_keyoff = 0;
 }
 
-void swp20_device::rom_bank_updated()
-{
-}
-
 void swp20_device::map(address_map &map)
 {
 	map(0x00, 0x3f).rw(FUNC(swp20_device::snd_r), FUNC(swp20_device::snd_w));

src/devices/sound/swp20.h

@@ -21,7 +21,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
-	virtual void rom_bank_updated() override;
 
 private:
 	u8 m_p3c_port;

src/devices/sound/swp30.cpp

@@ -301,11 +301,6 @@ void swp30_device::device_reset()
 	m_waverom_val = 0;
 }
 
-void swp30_device::rom_bank_updated()
-{
-	// Nothing to do, stream is synchronous
-}
-
 void swp30_device::map(address_map &map)
 {
 	map(0x0000, 0x1fff).rw(FUNC(swp30_device::snd_r), FUNC(swp30_device::snd_w));

src/devices/sound/swp30.h

@@ -22,7 +22,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
-	virtual void rom_bank_updated() override;
 	virtual void device_add_mconfig(machine_config &config) override;
 
 private:

src/devices/sound/tt5665.cpp

@@ -251,10 +251,11 @@ void tt5665_device::sound_stream_update(sound_stream &stream, std::vector<read_s
 
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void tt5665_device::rom_bank_updated()
+void tt5665_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/tt5665.h

@@ -72,7 +72,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	// a single voice

src/devices/sound/upd7759.cpp

@@ -257,7 +257,7 @@ void upd775x_device::device_clock_changed()
 	m_channel->set_sample_rate(clock() / 4);
 }
 
-void upd775x_device::rom_bank_updated()
+void upd775x_device::rom_bank_pre_change()
 {
 	m_channel->update();
 }

src/devices/sound/upd7759.h

@@ -70,7 +70,7 @@ protected:
 	virtual void device_clock_changed() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// sound stream update overrides
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;

src/devices/sound/vlm5030.cpp

@@ -267,7 +267,7 @@ void vlm5030_device::device_post_load()
 	restore_state();
 }
 
-void vlm5030_device::rom_bank_updated()
+void vlm5030_device::rom_bank_pre_change()
 {
 	m_channel->update();
 }

src/devices/sound/vlm5030.h

@@ -37,7 +37,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	// configuration state

src/devices/sound/x1_010.cpp

@@ -147,10 +147,11 @@ void x1_010_device::device_clock_changed()
 }
 
 //-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
+//  rom_bank_pre_change - refresh the stream if the
+//  ROM banking changes
 //-------------------------------------------------
 
-void x1_010_device::rom_bank_updated()
+void x1_010_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/x1_010.h

@@ -29,7 +29,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	static constexpr unsigned NUM_CHANNELS = 16;

src/devices/sound/ymf271.cpp

@@ -1781,7 +1781,7 @@ void ymf271_device::device_clock_changed()
 	calculate_clock_correction();
 }
 
-void ymf271_device::rom_bank_updated()
+void ymf271_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/ymf271.h

@@ -30,7 +30,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	TIMER_CALLBACK_MEMBER(timer_a_expired);
 	TIMER_CALLBACK_MEMBER(timer_b_expired);

src/devices/sound/ymopl.cpp

@@ -40,11 +40,11 @@ y8950_device::y8950_device(const machine_config &mconfig, const char *tag, devic
 
 
 //-------------------------------------------------
-//  rom_bank_updated - refresh the stream if the
+//  rom_bank_pre_change - refresh the stream if the
 //  ROM banking changes
 //-------------------------------------------------
 
-void y8950_device::rom_bank_updated()
+void y8950_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }
@@ -131,11 +131,11 @@ ymf278b_device::ymf278b_device(const machine_config &mconfig, const char *tag, d
 
 
 //-------------------------------------------------
-//  rom_bank_updated - refresh the stream if the
+//  rom_bank_pre_change - refresh the stream if the
 //  ROM banking changes
 //-------------------------------------------------
 
-void ymf278b_device::rom_bank_updated()
+void ymf278b_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/ymopl.h

@@ -46,7 +46,7 @@ public:
 
 protected:
 	// ROM device overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	// ADPCM read/write callbacks
@@ -106,7 +106,7 @@ public:
 
 protected:
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// sound overrides
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;

src/devices/sound/ymopn.cpp

@@ -98,11 +98,11 @@ const tiny_rom_entry *ym2608_device::device_rom_region() const
 
 
 //-------------------------------------------------
-//  rom_bank_updated - refresh the stream if the
+//  rom_bank_pre_change - refresh the stream if the
 //  ROM banking changes
 //-------------------------------------------------
 
-void ym2608_device::rom_bank_updated()
+void ym2608_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/ymopn.h

@@ -71,7 +71,7 @@ protected:
 	virtual const tiny_rom_entry *device_rom_region() const override;
 
 	// ROM device overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	// ADPCM read/write callbacks

src/devices/sound/ymz280b.cpp

@@ -646,7 +646,7 @@ void ymz280b_device::device_clock_changed()
 }
 
 
-void ymz280b_device::rom_bank_updated()
+void ymz280b_device::rom_bank_pre_change()
 {
 	m_stream->update();
 }

src/devices/sound/ymz280b.h

@@ -38,7 +38,7 @@ protected:
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;
 
 	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 private:
 	/* struct describing a single playing ADPCM voice */

src/emu/dirom.h

@@ -32,7 +32,8 @@ public:
 	void set_rom_bank(int bank);
 
 protected:
-	virtual void rom_bank_updated() = 0;
+	virtual void rom_bank_pre_change() { }
+	virtual void rom_bank_post_change() { }
 	virtual space_config_vector memory_space_config() const override;
 
 	void override_address_width(u8 width);

src/emu/dirom.ipp

@@ -45,9 +45,10 @@ void device_rom_interface<AddrWidth, DataWidth, AddrShift, Endian>::set_rom_bank
 	}
 
 	if (m_cur_bank != bank) {
+		rom_bank_pre_change();
 		m_cur_bank = bank;
 		m_bank->set_entry(bank);
-		rom_bank_updated();
+		rom_bank_post_change();
 	}
 }
 

src/mame/ces/galgames.cpp

@@ -115,7 +115,6 @@ protected:
 	// device-level overrides
 	virtual void device_start() override;
 	virtual void device_reset() override;
-	virtual void rom_bank_updated() override { }
 
 	bool is_selected();
 

src/mame/dynax/dynax_blitter_rev2.h

@@ -45,9 +45,6 @@ protected:
 	virtual void device_resolve_objects() override;
 	virtual void device_start() override;
 
-	// device_rom_interface overrides
-	virtual void rom_bank_updated() override { }
-
 	// internal helpers
 	void plot_pixel(int x, int y, int pen);
 	u32 blitter_draw(u32 src, int pen, int x, int y);

src/mame/irem/m72_a.cpp

@@ -66,14 +66,6 @@ void m72_audio_device::device_start()
 	save_item(NAME(m_sample_addr));
 }
 
-//-------------------------------------------------
-//  rom_bank_updated - the rom bank has changed
-//-------------------------------------------------
-
-void m72_audio_device::rom_bank_updated()
-{
-}
-
 void m72_audio_device::set_sample_start(int start)
 {
 	m_sample_addr = start;

src/mame/irem/m72_a.h

@@ -36,9 +36,6 @@ protected:
 	// device-level overrides
 	virtual void device_start() override;
 
-	// device_rom_interface overrides
-	virtual void rom_bank_updated() override;
-
 private:
 	// internal state
 	uint32_t m_sample_addr;

src/mame/kaneko/kaneko_grap2.cpp

@@ -74,10 +74,6 @@ void kaneko_grap2_device::device_reset()
 	m_framebuffer_bright2 = 0;
 }
 
-void kaneko_grap2_device::rom_bank_updated()
-{
-}
-
 uint16_t kaneko_grap2_device::regs1_r(offs_t offset, uint16_t mem_mask)
 {
 	switch (offset)

src/mame/kaneko/kaneko_grap2.h

@@ -71,8 +71,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
-
 	// device_palette_interface overrides
 	virtual uint32_t palette_entries() const noexcept override { return PALETTE_SIZE; }
 };

src/mame/kaneko/sknsspr.cpp

@@ -45,11 +45,6 @@ void sknsspr_device::device_reset()
 	//printf("sknsspr_device::device_reset()\n");
 }
 
-void sknsspr_device::rom_bank_updated()
-{
-	//printf("sknsspr_device::rom_bank_updated()\n");
-}
-
 int sknsspr_device::skns_rle_decode ( int romoffset, int size )
 {
 	int decodeoffset = 0;

src/mame/kaneko/sknsspr.h

@@ -20,7 +20,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
 private:
 	static constexpr unsigned SUPRNOVA_DECODE_BUFFER_SIZE = 0x2000;
 	int m_sprite_kludge_x = 0, m_sprite_kludge_y = 0;

src/mame/sega/315-5838_317-0229_comp.cpp

@@ -54,10 +54,6 @@ void sega_315_5838_comp_device::device_reset()
 	m_abort = false;
 }
 
-void sega_315_5838_comp_device::rom_bank_updated()
-{
-}
-
 /**************************
 *
 * Decathlete

src/mame/sega/315-5838_317-0229_comp.h

@@ -39,8 +39,6 @@ protected:
 	virtual void device_start() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
-
 private:
 	uint16_t source_word_r();
 

src/mame/shared/seibusound.h

@@ -127,7 +127,6 @@ public:
 protected:
 	// device-level overrides
 	virtual void device_start() override { }
-	virtual void rom_bank_updated() override { }
 };
 
 DECLARE_DEVICE_TYPE(SEI80BU, sei80bu_device)

src/mame/shared/wswansound.cpp

@@ -96,7 +96,7 @@ void wswan_sound_device::device_clock_changed()
 	m_channel->set_sample_rate(clock() / clk_div);
 }
 
-void wswan_sound_device::rom_bank_updated()
+void wswan_sound_device::rom_bank_pre_change()
 {
 	m_channel->update();
 }

src/mame/shared/wswansound.h

@@ -51,7 +51,7 @@ protected:
 	virtual void device_clock_changed() override;
 	virtual void device_reset() override;
 
-	virtual void rom_bank_updated() override;
+	virtual void rom_bank_pre_change() override;
 
 	// sound stream update overrides
 	virtual void sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs) override;