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-rw-r--r--src/mame/drivers/bbcbc.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/mame/drivers/bbcbc.c b/src/mame/drivers/bbcbc.c
new file mode 100644
index 00000000000..8a11968e0c4
--- /dev/null
+++ b/src/mame/drivers/bbcbc.c
@@ -0,0 +1,164 @@
+// license:BSD-3-Clause
+// copyright-holders:Incog, Robbbert
+/***************************************************************************
+
+ bbcbc.c
+
+ BBC Bridge Companion
+
+ Inputs hooked up - 2009-03-14 - Robbbert
+ Clock Freq added - 2009-05-18 - incog
+
+***************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "video/tms9928a.h"
+#include "machine/z80pio.h"
+#include "cpu/z80/z80daisy.h"
+#include "bus/generic/slot.h"
+#include "bus/generic/carts.h"
+
+
+class bbcbc_state : public driver_device
+{
+public:
+ bbcbc_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_cart(*this, "cartslot")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<generic_slot_device> m_cart;
+ virtual void machine_start();
+ virtual void machine_reset();
+ DECLARE_WRITE_LINE_MEMBER(tms_interrupt);
+};
+
+
+#define MAIN_CLOCK XTAL_4_433619MHz
+
+
+static ADDRESS_MAP_START( bbcbc_prg, AS_PROGRAM, 8, bbcbc_state )
+ AM_RANGE(0x0000, 0x3fff) AM_ROM
+ //AM_RANGE(0x4000, 0xbfff) // mapped by the cartslot
+ AM_RANGE(0xe000, 0xe02f) AM_RAM
+ AM_RANGE(0xe030, 0xe030) AM_READ_PORT("LINE01")
+ AM_RANGE(0xe031, 0xe031) AM_READ_PORT("LINE02")
+ AM_RANGE(0xe032, 0xe032) AM_READ_PORT("LINE03")
+ AM_RANGE(0xe033, 0xe033) AM_READ_PORT("LINE04")
+ AM_RANGE(0xe034, 0xe034) AM_READ_PORT("LINE05")
+ AM_RANGE(0xe035, 0xe035) AM_READ_PORT("LINE06")
+ AM_RANGE(0xe036, 0xe036) AM_READ_PORT("LINE07")
+ AM_RANGE(0xe037, 0xe037) AM_READ_PORT("LINE08")
+ AM_RANGE(0xe038, 0xe038) AM_READ_PORT("LINE09")
+ AM_RANGE(0xe039, 0xe039) AM_READ_PORT("LINE10")
+ AM_RANGE(0xe03a, 0xe03a) AM_READ_PORT("LINE11")
+ AM_RANGE(0xe03b, 0xe03b) AM_READ_PORT("LINE12")
+ AM_RANGE(0xe03c, 0xe7ff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( bbcbc_io, AS_IO, 8, bbcbc_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0x40, 0x43) AM_DEVREADWRITE("z80pio", z80pio_device, read, write)
+ AM_RANGE(0x80, 0x80) AM_DEVREADWRITE("tms9129", tms9129_device, vram_read, vram_write)
+ AM_RANGE(0x81, 0x81) AM_DEVREADWRITE("tms9129", tms9129_device, register_read, register_write)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( bbcbc )
+ PORT_START("LINE01")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Pass") PORT_CODE(KEYCODE_W) PORT_IMPULSE(1)
+
+ PORT_START("LINE02")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Clubs") PORT_CODE(KEYCODE_G) PORT_IMPULSE(1)
+
+ PORT_START("LINE03")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Spades") PORT_CODE(KEYCODE_D) PORT_IMPULSE(1)
+
+ PORT_START("LINE04")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Rdbl") PORT_CODE(KEYCODE_T) PORT_IMPULSE(1)
+
+ PORT_START("LINE05")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("NT") PORT_CODE(KEYCODE_E) PORT_IMPULSE(1)
+
+ PORT_START("LINE06")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Hearts, Up") PORT_CODE(KEYCODE_S) PORT_IMPULSE(1)
+
+ PORT_START("LINE07")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Play, Yes") PORT_CODE(KEYCODE_X) PORT_IMPULSE(1)
+
+ PORT_START("LINE08")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Back") PORT_CODE(KEYCODE_A) PORT_IMPULSE(1)
+
+ PORT_START("LINE09")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Dbl") PORT_CODE(KEYCODE_R) PORT_IMPULSE(1)
+
+ PORT_START("LINE10")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Diamonds, Down") PORT_CODE(KEYCODE_F) PORT_IMPULSE(1)
+
+ PORT_START("LINE11")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Start") PORT_CODE(KEYCODE_Q) PORT_IMPULSE(1)
+
+ PORT_START("LINE12")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Play, No") PORT_CODE(KEYCODE_B) PORT_IMPULSE(1)
+INPUT_PORTS_END
+
+WRITE_LINE_MEMBER(bbcbc_state::tms_interrupt)
+{
+ m_maincpu->set_input_line(0, state ? ASSERT_LINE : CLEAR_LINE);
+}
+
+static const z80_daisy_config bbcbc_daisy_chain[] =
+{
+ { "z80pio" },
+ { NULL }
+};
+
+
+void bbcbc_state::machine_start()
+{
+ if (m_cart->exists())
+ m_maincpu->space(AS_PROGRAM).install_read_handler(0x4000, 0xbfff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart));
+}
+
+void bbcbc_state::machine_reset()
+{
+}
+
+
+static MACHINE_CONFIG_START( bbcbc, bbcbc_state )
+ MCFG_CPU_ADD( "maincpu", Z80, MAIN_CLOCK / 8 )
+ MCFG_CPU_PROGRAM_MAP( bbcbc_prg)
+ MCFG_CPU_IO_MAP( bbcbc_io)
+ MCFG_CPU_CONFIG(bbcbc_daisy_chain)
+
+ MCFG_DEVICE_ADD("z80pio", Z80PIO, MAIN_CLOCK/8)
+
+ MCFG_DEVICE_ADD( "tms9129", TMS9129, XTAL_10_738635MHz / 2 )
+ MCFG_TMS9928A_VRAM_SIZE(0x4000)
+ MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(bbcbc_state, tms_interrupt))
+ MCFG_TMS9928A_SCREEN_ADD_PAL( "screen" )
+ MCFG_SCREEN_UPDATE_DEVICE( "tms9129", tms9928a_device, screen_update )
+
+ MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "bbcbc_cart")
+
+ /* Software lists */
+ MCFG_SOFTWARE_LIST_ADD("cart_list","bbcbc")
+MACHINE_CONFIG_END
+
+
+ROM_START( bbcbc )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD("br_4_1.ic3", 0x0000, 0x2000, CRC(7c880d75) SHA1(954db096bd9e8edfef72946637a12f1083841fb0))
+ ROM_LOAD("br_4_2.ic4", 0x2000, 0x2000, CRC(16a33aef) SHA1(9529f9f792718a3715af2063b91a5fb18f741226))
+ROM_END
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+CONS(1985, bbcbc, 0, 0, bbcbc, bbcbc, driver_device, 0, "BBC", "Bridge Companion", MACHINE_NO_SOUND_HW )