pc090oj: Fix validation by (partially) adopting device_gfx_interface (nw)

src/mame/drivers/asuka.cpp

@@ -884,7 +884,7 @@ void asuka_state::bonzeadv(machine_config &config)
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_offsets(0, 8);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag(m_tc0110pcr);
+	m_pc090oj->set_palette(m_tc0110pcr);
 
 	TC0100SCN(config, m_tc0100scn, 0);
 	m_tc0100scn->set_gfx_region(1);
@@ -943,7 +943,7 @@ void asuka_state::asuka(machine_config &config)
 	m_pc090oj->set_offsets(0, 8);
 	m_pc090oj->set_usebuffer(1);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag(m_tc0110pcr);
+	m_pc090oj->set_palette(m_tc0110pcr);
 
 	TC0100SCN(config, m_tc0100scn, 0);
 	m_tc0100scn->set_gfx_region(1);
@@ -1014,7 +1014,7 @@ void asuka_state::cadash(machine_config &config)
 	m_pc090oj->set_offsets(0, 8);
 	m_pc090oj->set_usebuffer(1);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag(m_tc0110pcr);
+	m_pc090oj->set_palette(m_tc0110pcr);
 
 	TC0100SCN(config, m_tc0100scn, 0);
 	m_tc0100scn->set_gfx_region(1);
@@ -1073,7 +1073,7 @@ void asuka_state::mofflott(machine_config &config)
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_offsets(0, 8);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag(m_tc0110pcr);
+	m_pc090oj->set_palette(m_tc0110pcr);
 
 	TC0100SCN(config, m_tc0100scn, 0);
 	m_tc0100scn->set_gfx_region(1);
@@ -1140,7 +1140,7 @@ void asuka_state::eto(machine_config &config)
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_offsets(0, 8);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag(m_tc0110pcr);
+	m_pc090oj->set_palette(m_tc0110pcr);
 
 	TC0100SCN(config, m_tc0100scn, 0);
 	m_tc0100scn->set_gfx_region(1);

src/mame/drivers/opwolf.cpp

@@ -287,6 +287,7 @@ register. So what is controlling priority.
 #include "video/pc080sn.h"
 #include "video/pc090oj.h"
 #include "audio/taitosnd.h"
+#include "emupal.h"
 #include "screen.h"
 #include "speaker.h"
 
@@ -972,7 +973,7 @@ void opwolf_state::opwolf(machine_config &config)
 
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag("palette");
+	m_pc090oj->set_palette("palette");
 
 	/* sound hardware */
 	SPEAKER(config, "lspeaker").front_left();
@@ -1046,7 +1047,7 @@ void opwolf_state::opwolfb(machine_config &config) /* OSC clocks unknown for the
 
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag("palette");
+	m_pc090oj->set_palette("palette");
 
 	/* sound hardware */
 	SPEAKER(config, "lspeaker").front_left();

src/mame/drivers/rastan.cpp

@@ -164,6 +164,7 @@ Note: The 'rastsagaa' set's rom numbers were named as RSxx_37 through RSxx_42
 #include "machine/watchdog.h"
 #include "sound/msm5205.h"
 #include "sound/ym2151.h"
+#include "emupal.h"
 #include "screen.h"
 #include "speaker.h"
 
@@ -393,7 +394,7 @@ void rastan_state::rastan(machine_config &config)
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_gfx_region(1);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag("palette");
+	m_pc090oj->set_palette("palette");
 
 	/* sound hardware */
 	SPEAKER(config, "mono").front_center();

src/mame/drivers/rbisland.cpp

@@ -692,7 +692,7 @@ void rbisland_state::rbisland(machine_config &config)
 
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_gfxdecode_tag(m_gfxdecode);
-	m_pc090oj->set_palette_tag(m_palette);
+	m_pc090oj->set_palette(m_palette);
 
 	/* sound hardware */
 	SPEAKER(config, "mono").front_center();

src/mame/drivers/volfied.cpp

@@ -53,6 +53,7 @@ Stephh's notes (based on the game M68000 code and some tests) :
 #include "cpu/m68000/m68000.h"
 #include "cpu/z80/z80.h"
 #include "sound/2203intf.h"
+#include "emupal.h"
 #include "speaker.h"
 
 
@@ -274,7 +275,7 @@ void volfied_state::volfied(machine_config &config)
 
 	PC090OJ(config, m_pc090oj, 0);
 	m_pc090oj->set_gfxdecode_tag("gfxdecode");
-	m_pc090oj->set_palette_tag("palette");
+	m_pc090oj->set_palette("palette");
 
 	/* sound hardware */
 	SPEAKER(config, "mono").front_center();

src/mame/video/pc090oj.cpp

@@ -76,6 +76,7 @@ DEFINE_DEVICE_TYPE(PC090OJ, pc090oj_device, "pc090oj", "Taito PC090OJ")
 
 pc090oj_device::pc090oj_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
 	: device_t(mconfig, PC090OJ, tag, owner, clock),
+	device_gfx_interface(mconfig, *this),
 	m_ctrl(0),
 	m_sprite_ctrl(0),
 	m_ram(nullptr),
@@ -84,8 +85,7 @@ pc090oj_device::pc090oj_device(const machine_config &mconfig, const char *tag, d
 	m_x_offset(0),
 	m_y_offset(0),
 	m_use_buffer(0),
-	m_gfxdecode(*this, finder_base::DUMMY_TAG),
+	m_gfxdecode(*this, finder_base::DUMMY_TAG)
-	m_palette(*this, finder_base::DUMMY_TAG)
 {
 }
 

src/mame/video/pc090oj.h

@@ -5,16 +5,13 @@
 
 #pragma once
 
-#include "emupal.h"
+class pc090oj_device : public device_t, public device_gfx_interface
-
-class pc090oj_device : public device_t
 {
 public:
 	pc090oj_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
 
 	// configuration
 	template <typename T> void set_gfxdecode_tag(T &&tag) { m_gfxdecode.set_tag(std::forward<T>(tag)); }
-	template <typename T> void set_palette_tag(T &&tag) { m_palette.set_tag(std::forward<T>(tag)); }
 	void set_gfx_region(int gfxregion) { m_gfxnum = gfxregion; }
 	void set_usebuffer(int use_buf) { m_use_buffer = use_buf; }
 	void set_offsets(int x_offset, int y_offset)
@@ -57,7 +54,6 @@ private:
 	int        m_use_buffer;
 
 	required_device<gfxdecode_device> m_gfxdecode;
-	required_device<palette_device> m_palette;
 };
 
 DECLARE_DEVICE_TYPE(PC090OJ, pc090oj_device)