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Diffstat (limited to 'src/mame/drivers/bbcbc.cpp')
-rw-r--r-- | src/mame/drivers/bbcbc.cpp | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/mame/drivers/bbcbc.cpp b/src/mame/drivers/bbcbc.cpp deleted file mode 100644 index acaa2c13f4a..00000000000 --- a/src/mame/drivers/bbcbc.cpp +++ /dev/null @@ -1,184 +0,0 @@ -// 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 - - From the Operations Manual, Page 1: - - The BBC BRIDGE COMPANION and its associated family of - Cartridges are distributed in the U.K. by: - - CONTEMPORARY CHESS COMPUTERS - 2/3 Noble Corner - Great West Road - HOUNSLOW - Middlesex - TW5 0PA - - (C) 1985 Unicard Ltd. - - The title BBC Bridge is under licence from BBC Enterprises Ltd. - -***************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "video/tms9928a.h" -#include "machine/z80pio.h" -#include "machine/z80daisy.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" -#include "softlist.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_z80pio(*this, "z80pio") - , m_buttons(*this, "BUTTONS.%u", 0) - { } - - DECLARE_READ8_MEMBER(input_r); - DECLARE_WRITE8_MEMBER(input_select_w); - - void bbcbc(machine_config &config); - void io_map(address_map &map); - void mem_map(address_map &map); -private: - uint8_t m_input_select; - virtual void machine_start() override; - virtual void machine_reset() override; - required_device<z80_device> m_maincpu; - required_device<z80pio_device> m_z80pio; - required_ioport_array<3> m_buttons; -}; - - -#define MAIN_CLOCK XTAL(4'433'619) - - -void bbcbc_state::mem_map(address_map &map) -{ - map(0x0000, 0x3fff).rom(); - map(0x4000, 0xbfff).r("cartslot", FUNC(generic_slot_device::read_rom)); - map(0xe000, 0xe7ff).ram(); -} - -void bbcbc_state::io_map(address_map &map) -{ - map.global_mask(0xff); - map(0x00, 0x7f).lrw8( - NAME([this](offs_t offset) { return m_z80pio->read(offset >> 5); }), - NAME([this](offs_t offset, u8 data) { m_z80pio->write(offset >> 5, data); })); - map(0x80, 0x81).rw("tms9129", FUNC(tms9129_device::read), FUNC(tms9129_device::write)); -} - -// Input bits are read through the PIO four at a time, then stored individually in RAM at E030-E03B -static INPUT_PORTS_START( bbcbc ) - PORT_START("BUTTONS.0") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Pass") PORT_CODE(KEYCODE_A) // Grey button - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Spades") PORT_CODE(KEYCODE_Z) // Grey button - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Clubs") PORT_CODE(KEYCODE_V) // Grey button - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Rdbl") PORT_CODE(KEYCODE_F) // Grey button - PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("BUTTONS.1") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("NT") PORT_CODE(KEYCODE_S) // Grey button - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Hearts, Up") PORT_CODE(KEYCODE_X) // Grey button - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("Play, Yes") // Yellow button - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Back") // Red button - PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("BUTTONS.2") - PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Dbl") PORT_CODE(KEYCODE_D) // Grey button - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYPAD) PORT_NAME("Diamonds, Down") PORT_CODE(KEYCODE_C) // Grey button - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start") // Red button - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("Play, No") // Yellow button - PORT_BIT(0xf0, IP_ACTIVE_LOW, IPT_UNUSED) -INPUT_PORTS_END - - -static const z80_daisy_config bbcbc_daisy_chain[] = -{ - { "z80pio" }, - { nullptr } -}; - - -void bbcbc_state::bbcbc(machine_config &config) -{ - Z80(config, m_maincpu, 10.6875_MHz_XTAL / 3); - m_maincpu->set_addrmap(AS_PROGRAM, &bbcbc_state::mem_map); - m_maincpu->set_addrmap(AS_IO, &bbcbc_state::io_map); - m_maincpu->set_daisy_config(bbcbc_daisy_chain); - - Z80PIO(config, m_z80pio, 10.6875_MHz_XTAL / 3); - //m_z80pio->out_pa_callback().set(???); - m_z80pio->in_pb_callback().set(FUNC(bbcbc_state::input_r)); - m_z80pio->out_pb_callback().set(FUNC(bbcbc_state::input_select_w)); - - tms9129_device &vdp(TMS9129(config, "tms9129", 10.6875_MHz_XTAL)); - vdp.set_screen("screen"); - vdp.set_vram_size(0x4000); - vdp.int_callback().set_inputline("maincpu", 0); - SCREEN(config, "screen", SCREEN_TYPE_RASTER); - - // Software on ROM cartridges - GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "bbcbc_cart"); - SOFTWARE_LIST(config, "cart_list").set_original("bbcbc"); -} - - -void bbcbc_state::machine_start() -{ - save_item(NAME(m_input_select)); -} - -void bbcbc_state::machine_reset() -{ - m_input_select = 0xff; -} - -READ8_MEMBER(bbcbc_state::input_r) -{ - switch (m_input_select) - { - case 0xef: - return m_buttons[0]->read(); - case 0xdf: - return m_buttons[1]->read(); - case 0xbf: - return m_buttons[2]->read(); - } - logerror("Unknown input select: %02x\n", m_input_select); - return 0xff; -} - -WRITE8_MEMBER(bbcbc_state::input_select_w) -{ - m_input_select = data; -} - - -ROM_START( bbcbc ) - ROM_REGION( 0x4000, "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 CLASS INIT COMPANY FULLNAME FLAGS -CONS(1985, bbcbc, 0, 0, bbcbc, bbcbc, bbcbc_state, empty_init, "Unicard", "BBC Bridge Companion", MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE) |