vtech/vtech5303.cpp: Added a skeleton driver for the VTech Paw Patrol…

… Learning Tablet. (#13236)

Internal CPU ROM is not dumped

New systems marked not working
------------------------------
Paw Patrol: The Movie Learning Tablet (Spanish) [ArcadeHacker]

src/mame/mame.lst

@@ -47145,6 +47145,9 @@ laser350                        // 1984? Laser 350
 laser500                        // 1984? Laser 500
 laser700                        // 1984? Laser 700
 
+@source:vtech/vtech5303.cpp
+pawmoviesp                      // (c) 2022
+
 @source:vtech/vtech_eu3a12.cpp
 vreadere
 

src/mame/vtech/vtech5303.cpp

@@ -0,0 +1,86 @@
+// license:BSD-3-Clause
+// copyright-holders:
+
+
+/*********************************************************************************************
+
+    Skeleton driver for toy computers on VTech 5303 hardware.
+
+    PCB with a 25VQ16A serial flash and a 8 MHz xtal on one side and a big glob on the other.
+
+*********************************************************************************************/
+
+
+#include "emu.h"
+
+#include "cpu/m6502/w65c02.h"
+
+#include "screen.h"
+#include "speaker.h"
+
+
+namespace {
+
+
+class vtech5303_state : public driver_device
+{
+public:
+	vtech5303_state(const machine_config &mconfig, device_type type, const char *tag) :
+		driver_device(mconfig, type, tag),
+		m_maincpu(*this, "maincpu"),
+		m_screen(*this, "screen")
+	{ }
+
+	void vtech5303(machine_config &config) ATTR_COLD;
+
+protected:
+	required_device<cpu_device> m_maincpu;
+	required_device<screen_device> m_screen;
+
+	uint32_t screen_update_vtech5303(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+};
+
+uint32_t vtech5303_state::screen_update_vtech5303(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+	return 0;
+}
+
+/* The Paw Patrol the keyboard has:
+    -6 "character" buttons (Marshall, Rocky, Chase, Skye, Ryder, Rubble).
+    -6 "activity" buttons (bone, letters, maths, pairs, maze, adventure).
+    -26 leter keys in QWERTY layout (QWERTYUIOP ASDFGHJKL ZXCVBNM).
+    -Mute button to the left of Z.
+    -3 navigation buttons (right arrow, left arrow, OK).
+    -Clock button.
+    The Spanish version repurposes the mute button as a letter key and organises
+    the letters in alphabetical order (ABCDEFGHIJ KLMNÑOPQR STUVWXYZ)
+*/
+INPUT_PORTS_START( vtech5303 )
+INPUT_PORTS_END
+
+void vtech5303_state::vtech5303(machine_config &config)
+{
+	W65C02(config, m_maincpu, 8_MHz_XTAL); // Unknown core and frequency, probably 6802
+
+	SCREEN(config, m_screen, SCREEN_TYPE_LCD); // Monochrome 64x32 LCD screen
+	m_screen->set_refresh_hz(60); // Guess
+	m_screen->set_size(64, 32);
+	m_screen->set_visarea(0, 64-1, 0, 32-1);
+	m_screen->set_screen_update(FUNC(vtech5303_state::screen_update_vtech5303));
+
+	SPEAKER(config, "mono").front_left();
+}
+
+// Spanish machine
+ROM_START( pawpatrols )
+	ROM_REGION( 0x010000, "maincpu", 0 )
+	ROM_LOAD( "internal.bin", 0x000000, 0x010000, NO_DUMP ) // Unknown CPU type, unknown internal ROM size
+
+	ROM_REGION( 0x200300, "program", 0 )
+	ROM_LOAD( "vtech_paw_patrol_5303_25vq16a.u5", 0x000000, 0x200300, CRC(fee8abd7) SHA1(4ea120246fb4a7efc699e0295864beba4e3317cc) )
+ROM_END
+
+} // anonymous namespace
+
+
+CONS( 2022, pawmoviesp, 0, 0, vtech5303, vtech5303, vtech5303_state, empty_init, "VTech", "Paw Patrol: The Movie Learning Tablet (Spanish)", MACHINE_NO_SOUND | MACHINE_NOT_WORKING )