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Diffstat (limited to 'src/mame/drivers/leapfrog_iquest.cpp')
-rw-r--r--src/mame/drivers/leapfrog_iquest.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/mame/drivers/leapfrog_iquest.cpp b/src/mame/drivers/leapfrog_iquest.cpp
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+++ b/src/mame/drivers/leapfrog_iquest.cpp
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+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+/******************************************************************************
+
+ Leapfrog IQuest
+
+ has LCD display, resolution unknown
+
+*******************************************************************************/
+
+#include "emu.h"
+
+#include "cpu/mcs51/mcs51.h"
+
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+
+#include "screen.h"
+#include "softlist.h"
+#include "speaker.h"
+#include "screen.h"
+
+class leapfrog_iquest_state : public driver_device
+{
+public:
+ leapfrog_iquest_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_cart(*this, "cartslot")
+ , m_screen(*this, "screen")
+ , m_cart_region(nullptr)
+ { }
+
+ void leapfrog_iquest(machine_config &config);
+
+private:
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+
+ void prog_map(address_map &map);
+ void ext_map(address_map &map);
+
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load);
+
+ required_device<mcs51_cpu_device> m_maincpu;
+ required_device<generic_slot_device> m_cart;
+ required_device<screen_device> m_screen;
+ memory_region *m_cart_region;
+};
+
+
+
+void leapfrog_iquest_state::machine_start()
+{
+ // if there's a cart, override the standard mapping
+ if (m_cart && m_cart->exists())
+ {
+ m_cart_region = memregion(std::string(m_cart->tag()) + GENERIC_ROM_REGION_TAG);
+ }
+}
+
+void leapfrog_iquest_state::machine_reset()
+{
+}
+
+void leapfrog_iquest_state::prog_map(address_map &map)
+{
+ map(0x0000, 0xffff).rom().region("maincpu", 0x10000); // TODO: banking
+}
+
+void leapfrog_iquest_state::ext_map(address_map &map)
+{
+}
+
+DEVICE_IMAGE_LOAD_MEMBER(leapfrog_iquest_state::cart_load)
+{
+ uint32_t size = m_cart->common_get_size("rom");
+
+ m_cart->rom_alloc(size, GENERIC_ROM16_WIDTH, ENDIANNESS_LITTLE);
+ m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
+
+ return image_init_result::PASS;
+}
+
+static INPUT_PORTS_START( leapfrog_iquest )
+INPUT_PORTS_END
+
+uint32_t leapfrog_iquest_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+
+void leapfrog_iquest_state::leapfrog_iquest(machine_config &config)
+{
+ I8032(config, m_maincpu, 96000000/10); // unknown clock
+ m_maincpu->set_addrmap(AS_PROGRAM, &leapfrog_iquest_state::prog_map);
+ m_maincpu->set_addrmap(AS_IO, &leapfrog_iquest_state::ext_map);
+
+ SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
+ m_screen->set_refresh_hz(60);
+ m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(10));
+ m_screen->set_size(160, 160);
+ m_screen->set_visarea(0, 160-1, 0, 160-1);
+ m_screen->set_screen_update(FUNC(leapfrog_iquest_state::screen_update));
+ //m_screen->screen_vblank().set(FUNC(leapfrog_iquest_state::screen_vblank));
+
+ GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "leapfrog_iquest_cart");
+ m_cart->set_width(GENERIC_ROM16_WIDTH);
+ m_cart->set_device_load(FUNC(leapfrog_iquest_state::cart_load));
+
+ SOFTWARE_LIST(config, "cart_list").set_original("leapfrog_iquest_cart");
+}
+
+ROM_START( iquest )
+ ROM_REGION( 0x400000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD( "iquest.bin", 0x000000, 0x400000, CRC(f785dc4e) SHA1(ec002c18df536737334fe6b7db0e7342bad7b66b))
+ROM_END
+
+// year, name, parent, compat, machine, input, class, init, company, fullname, flags
+CONS( 200?, iquest, 0, 0, leapfrog_iquest, leapfrog_iquest, leapfrog_iquest_state, empty_init, "LeapFrog", "IQuest (US)", MACHINE_IS_SKELETON )