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gamepock: remove input tag lookups, add notes
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hap
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867167bb97
commit
7d79f0c508
3 changed files with 65 additions and 56 deletions
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@ -30,7 +30,8 @@ license:CC0
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</software>
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<software name="pokemahj">
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<description>Pokekon Mahjong</description>
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<!-- cartridge label literally has "MAHJONGG" with the extra g -->
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<description>Pokekon Mahjongg</description>
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<year>1984</year>
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<publisher>Epoch</publisher>
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<info name="serial" value="3" />
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@ -60,7 +61,7 @@ license:CC0
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<info name="serial" value="5" />
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<part name="cart" interface="gamepock_cart">
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<dataarea name="rom" size="0x2000">
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<rom name="soukoban.bin" size="0x2000" crc="5d6f7819" sha1="61ef6483e8f9935dd8b6351fd2bdfda3af3899bd"/>
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<rom name="sokoban.bin" size="0x2000" crc="5d6f7819" sha1="61ef6483e8f9935dd8b6351fd2bdfda3af3899bd"/>
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</dataarea>
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</part>
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</software>
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@ -4,7 +4,6 @@
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license:CC0
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All known games are dumped, 18 total.
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There's a rumour about one missing game called "S-Race", no proof it exists.
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Some of the games don't match box/cart label with what's on the title screen:
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- Car Racing: Super F-1
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@ -6,8 +6,14 @@ Epoch Game Pocket Computer
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Japanese LCD handheld console
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Hardware notes:
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- NEC uPD78C06AG
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- x
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- NEC uPD78C06AG (4KB internal ROM), 6MHz XTAL
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- 2KB external RAM(HM6116P-4), up to 28KB external ROM on cartridge
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(28KB in theory, actually the largest game is 16KB)
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- 3*HD44102CH, 75*64 1bpp LCD screen
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- 1-bit sound
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Not counting the mini games included in the BIOS, only 5 games were released.
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It takes around 3 seconds for a cartridge to start up, this is normal.
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TODO:
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- use hd44102_device
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@ -34,12 +40,21 @@ public:
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gamepock_state(const machine_config &mconfig, device_type type, const char *tag) :
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driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_speaker(*this, "speaker")
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m_speaker(*this, "speaker"),
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m_inputs(*this, "IN%u", 0)
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{ }
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void gamepock(machine_config &config);
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protected:
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virtual void machine_start() override;
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virtual void machine_reset() override;
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private:
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required_device<upd78c06_device> m_maincpu;
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required_device<speaker_sound_device> m_speaker;
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required_ioport_array<2> m_inputs;
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struct HD44102CH {
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uint8_t enabled = 0U;
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uint8_t start_page = 0U;
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@ -48,14 +63,11 @@ private:
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uint8_t ram[256]{}; // There are actually 50 x 4 x 8 bits. This just makes addressing easier.
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};
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virtual void machine_reset() override;
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void hd44102ch_w(int which, int c_d, uint8_t data);
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void hd44102ch_init(int which);
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void lcd_update();
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void port_a_w(uint8_t data);
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uint8_t port_b_r();
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void port_b_w(uint8_t data);
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uint8_t port_c_r();
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uint32_t screen_update_gamepock(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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@ -64,11 +76,20 @@ private:
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uint8_t m_port_a = 0U;
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uint8_t m_port_b = 0U;
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HD44102CH m_hd44102ch[3];
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required_device<upd78c06_device> m_maincpu;
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required_device<speaker_sound_device> m_speaker;
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};
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void gamepock_state::machine_start()
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{
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}
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void gamepock_state::machine_reset()
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{
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hd44102ch_init( 0 );
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hd44102ch_init( 1 );
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hd44102ch_init( 2 );
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}
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void gamepock_state::hd44102ch_w( int which, int c_d, uint8_t data )
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{
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@ -155,6 +176,12 @@ void gamepock_state::lcd_update()
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void gamepock_state::port_a_w(uint8_t data)
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{
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// 76------ input select
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// --543--- LCD CS
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// -----2-- LCD D/I (all 3)
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// ------1- LCD M (all 3)
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// -------0 unknown
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uint8_t old_port_a = m_port_a;
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m_port_a = data;
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@ -168,41 +195,24 @@ void gamepock_state::port_a_w(uint8_t data)
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void gamepock_state::port_b_w(uint8_t data)
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{
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// LCD data
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m_port_b = data;
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}
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uint8_t gamepock_state::port_b_r()
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{
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logerror("gamepock_port_b_r: not implemented\n");
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return 0xFF;
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}
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uint8_t gamepock_state::port_c_r()
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{
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uint8_t data = 0xFF;
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uint8_t data = 0xff;
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if ( m_port_a & 0x80 )
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{
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data &= ioport("IN0")->read();
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}
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if ( m_port_a & 0x40 )
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{
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data &= ioport("IN1")->read();
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}
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// read inputs
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for (int i = 0; i < 2; i++)
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if (BIT(m_port_a, i ^ 7))
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data &= m_inputs[i]->read();
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return data;
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}
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void gamepock_state::machine_reset()
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{
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hd44102ch_init( 0 );
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hd44102ch_init( 1 );
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hd44102ch_init( 2 );
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}
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uint32_t gamepock_state::screen_update_gamepock(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
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{
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@ -279,10 +289,8 @@ uint32_t gamepock_state::screen_update_gamepock(screen_device &screen, bitmap_in
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void gamepock_state::gamepock_mem(address_map &map)
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{
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map.unmap_value_high();
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// 0x0000-0x0fff is internal ROM
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map(0x1000, 0x3fff).noprw();
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map(0x4000, 0xbfff).r("cartslot", FUNC(generic_slot_device::read_rom));
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map(0x0000, 0x7fff).r("cartslot", FUNC(generic_slot_device::read_rom));
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map(0xc000, 0xc7ff).mirror(0x0800).ram();
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// 0xff80-0xffff is internal RAM
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}
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@ -290,48 +298,49 @@ void gamepock_state::gamepock_mem(address_map &map)
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static INPUT_PORTS_START( gamepock )
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PORT_START("IN0")
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PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
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PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
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PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_SELECT )
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PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
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PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 )
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_SELECT )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) // top-left
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) // bottom-left
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PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_START("IN1")
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PORT_BIT ( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
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PORT_BIT ( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
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PORT_BIT ( 0x04, IP_ACTIVE_LOW, IPT_START )
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PORT_BIT ( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 )
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PORT_BIT ( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 )
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START )
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) // top-right
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 ) // bottom-right
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PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )
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INPUT_PORTS_END
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void gamepock_state::gamepock(machine_config &config)
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{
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UPD78C06(config, m_maincpu, 6_MHz_XTAL); // uPD78C06AG
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// basic machine hardware
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UPD78C06(config, m_maincpu, 6_MHz_XTAL);
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m_maincpu->set_addrmap(AS_PROGRAM, &gamepock_state::gamepock_mem);
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m_maincpu->pa_out_cb().set(FUNC(gamepock_state::port_a_w));
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m_maincpu->pb_in_cb().set(FUNC(gamepock_state::port_b_r));
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m_maincpu->pb_out_cb().set(FUNC(gamepock_state::port_b_w));
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m_maincpu->pc_in_cb().set(FUNC(gamepock_state::port_c_r));
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m_maincpu->to_func().set(m_speaker, FUNC(speaker_sound_device::level_w));
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// video hardware
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
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screen.set_refresh_hz(60);
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screen.set_size(75, 64);
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screen.set_visarea(0, 74, 0, 63);
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screen.set_visarea_full();
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screen.set_screen_update(FUNC(gamepock_state::screen_update_gamepock));
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screen.set_palette("palette");
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PALETTE(config, "palette", palette_device::MONOCHROME);
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/* sound hardware */
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// sound hardware
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SPEAKER(config, "mono").front_center();
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SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50);
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/* cartridge */
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GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "gamepock_cart");
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/* Software lists */
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// cartridge
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GENERIC_CARTSLOT(config, "cartslot", generic_linear_slot, "gamepock_cart");
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SOFTWARE_LIST(config, "cart_list").set_original("gamepock");
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}
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