mirror of
https://github.com/holub/mame
synced 2025-07-04 09:28:51 +03:00
Emulate the Sega Billboard and hook it up to the STV driver
[biggestsonicfan, Dirk Best] It's not shown by default. To view it, choose the layout view 'Billboard'.
This commit is contained in:
Dirk Best
parent
cb8c159092
commit
5c4048ad73
@ -3511,6 +3511,8 @@ files {
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MAME_DIR .. "src/mame/machine/mc8123.h",
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MAME_DIR .. "src/mame/machine/segaic16.cpp",
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MAME_DIR .. "src/mame/machine/segaic16.h",
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MAME_DIR .. "src/mame/machine/segabill.cpp",
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MAME_DIR .. "src/mame/machine/segabill.h",
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MAME_DIR .. "src/mame/audio/segasnd.cpp",
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MAME_DIR .. "src/mame/audio/segasnd.h",
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MAME_DIR .. "src/mame/video/segaic16.cpp",
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@ -51,6 +51,7 @@
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#include "coreutil.h"
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#include "segabill.lh"
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#define FIRST_SPEEDUP_SLOT (2) // in case we remove/alter the BIOS speedups later
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@ -147,6 +148,9 @@ WRITE8_MEMBER(stv_state::stv_ioga_w)
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machine().bookkeeping().coin_lockout_w(0,~data & 0x04);
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machine().bookkeeping().coin_lockout_w(1,~data & 0x08);
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break;
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case 0x09:
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m_billboard->write(data);
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break;
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case 0x0d:
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// then bit 7==0 - reset counters, currently this is unhandled, instead counters reset after each read (PORT_RESET used)
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m_ioga_portg = data;
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@ -1182,6 +1186,10 @@ void stv_state::stv(machine_config &config)
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m_scsp->main_irq_cb().set(m_scu, FUNC(sega_scu_device::sound_req_w));
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m_scsp->add_route(0, "lspeaker", 1.0);
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m_scsp->add_route(1, "rspeaker", 1.0);
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SEGA_BILLBOARD(config, m_billboard, 0);
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config.set_default_layout(layout_segabill);
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}
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void stv_state::stv_5881(machine_config &config)
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@ -9,6 +9,7 @@
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#include "audio/rax.h"
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#include "machine/eepromser.h"
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#include "machine/ticket.h"
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#include "machine/segabill.h"
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class stv_state : public saturn_state
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{
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@ -24,7 +25,8 @@ public:
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m_eeprom(*this, "eeprom"),
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m_cryptdevice(*this, "315_5881"),
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m_5838crypt(*this, "315_5838"),
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m_hopper(*this, "hopper")
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m_hopper(*this, "hopper"),
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m_billboard(*this, "billboard")
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{
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}
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@ -153,6 +155,7 @@ private:
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optional_device<sega_315_5881_crypt_device> m_cryptdevice;
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optional_device<sega_315_5838_comp_device> m_5838crypt;
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optional_device<ticket_dispenser_device> m_hopper;
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required_device<sega_billboard_device> m_billboard;
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uint16_t crypt_read_callback(uint32_t addr);
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DECLARE_READ8_MEMBER(pdr1_input_r);
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186
src/mame/machine/segabill.cpp
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186
src/mame/machine/segabill.cpp
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@ -0,0 +1,186 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Sega Billboard
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***************************************************************************/
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#include "emu.h"
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#include "segabill.h"
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#include "cpu/z80/z80.h"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE(SEGA_BILLBOARD, sega_billboard_device, "segabill", "Sega Billboard")
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//-------------------------------------------------
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// mem_map - z80 memory map
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//-------------------------------------------------
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void sega_billboard_device::mem_map(address_map &map)
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{
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map(0x0000, 0x7fff).rom();
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map(0xe000, 0xffff).ram();
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}
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//-------------------------------------------------
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// io_map - z80 io map
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//-------------------------------------------------
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void sega_billboard_device::io_map(address_map &map)
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{
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map.global_mask(0xff);
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map(0x20, 0x2f).rw("io", FUNC(sega_315_5338a_device::read), FUNC(sega_315_5338a_device::write));
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}
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//-------------------------------------------------
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// input_ports - device-specific input ports
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//-------------------------------------------------
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static INPUT_PORTS_START( billboard )
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PORT_START("dsw")
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PORT_DIPNAME(0x01, 0x01, "Test Winner LED P1")
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PORT_DIPSETTING( 0x01, DEF_STR( Off ))
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PORT_DIPSETTING( 0x00, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:1")
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PORT_DIPNAME(0x02, 0x02, "Test Winner LED P2")
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PORT_DIPSETTING( 0x02, DEF_STR( Off ))
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PORT_DIPSETTING( 0x00, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:2")
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PORT_DIPNAME(0x04, 0x04, "Test 7-Segment P1")
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PORT_DIPSETTING( 0x04, DEF_STR( Off ))
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PORT_DIPSETTING( 0x00, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:3")
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PORT_DIPNAME(0x08, 0x08, "Test 7-Segment P2")
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PORT_DIPSETTING( 0x08, DEF_STR( Off ))
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PORT_DIPSETTING( 0x00, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:4")
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PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "DSW:5")
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PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "DSW:6")
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PORT_DIPNAME(0x40, 0x00, "Demo")
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PORT_DIPSETTING( 0x00, DEF_STR( Off ))
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PORT_DIPSETTING( 0x40, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:7")
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PORT_DIPNAME(0x80, 0x00, "Testmode")
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PORT_DIPSETTING( 0x00, DEF_STR( Off ))
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PORT_DIPSETTING( 0x80, DEF_STR( On ))
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PORT_DIPLOCATION("DSW:8")
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INPUT_PORTS_END
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ioport_constructor sega_billboard_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME(billboard);
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}
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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ROM_START( billboard )
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ROM_REGION(0x10000, "billcpu", 0)
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ROM_LOAD("epr-18022.ic2", 0x00000, 0x10000, CRC(0ca70f80) SHA1(edf5ade72d9fa2f4d5f83f9f89e6cecfadd77f56))
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ROM_END
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const tiny_rom_entry *sega_billboard_device::device_rom_region() const
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{
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return ROM_NAME(billboard);
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}
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//-------------------------------------------------
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// device_add_mconfig - add device configuration
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//-------------------------------------------------
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void sega_billboard_device::device_add_mconfig(machine_config &config)
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{
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Z80(config, m_billcpu, 32_MHz_XTAL / 8); // divisor guessed
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m_billcpu->set_addrmap(AS_PROGRAM, &sega_billboard_device::mem_map);
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m_billcpu->set_addrmap(AS_IO, &sega_billboard_device::io_map);
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m_billcpu->set_periodic_int(FUNC(sega_billboard_device::irq0_line_hold), attotime::from_hz(32_MHz_XTAL/65536)); // timing?
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sega_315_5338a_device &io(SEGA_315_5338A(config, "io", 32_MHz_XTAL));
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io.in_pa_callback().set_ioport("dsw");
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io.in_pb_callback().set(FUNC(sega_billboard_device::cmd_r));
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io.out_pc_callback().set(FUNC(sega_billboard_device::digit_w<1>));
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io.out_pd_callback().set(FUNC(sega_billboard_device::digit_w<0>));
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io.out_pe_callback().set(FUNC(sega_billboard_device::digit_w<3>));
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io.out_pf_callback().set(FUNC(sega_billboard_device::digit_w<2>));
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io.out_pg_callback().set(FUNC(sega_billboard_device::led_w));
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// sega_billboard_device - constructor
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//-------------------------------------------------
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sega_billboard_device::sega_billboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, SEGA_BILLBOARD, tag, owner, clock),
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m_billcpu(*this, "billcpu"),
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m_io(*this, "io"),
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m_digits(*this, "digit%u", 0U),
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m_leds(*this, "led_winner%u", 0U),
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m_cmd(0xff)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void sega_billboard_device::device_start()
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{
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// resolve output finders
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m_digits.resolve();
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m_leds.resolve();
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// register for save states
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save_item(NAME(m_cmd));
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}
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//-------------------------------------------------
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// device_start - device-specific reset
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//-------------------------------------------------
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void sega_billboard_device::device_reset()
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{
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m_cmd = 0xff;
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}
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//**************************************************************************
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// INTERFACE
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//**************************************************************************
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void sega_billboard_device::irq0_line_hold(device_t &device)
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{
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m_billcpu->set_input_line(INPUT_LINE_IRQ0, HOLD_LINE);
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}
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void sega_billboard_device::write(uint8_t data)
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{
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m_cmd = data;
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}
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uint8_t sega_billboard_device::cmd_r()
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{
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return m_cmd;
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}
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template<int N>
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void sega_billboard_device::digit_w(uint8_t data)
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{
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m_digits[N] = ~data & 0xff;
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}
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void sega_billboard_device::led_w(uint8_t data)
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{
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m_leds[0] = BIT(~data, 0);
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m_leds[1] = BIT(~data, 1);
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}
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58
src/mame/machine/segabill.h
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58
src/mame/machine/segabill.h
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@ -0,0 +1,58 @@
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// license: BSD-3-Clause
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// copyright-holders: Dirk Best
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/***************************************************************************
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Sega Billboard
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***************************************************************************/
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#ifndef MAME_MACHINE_SEGABILL_H
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#define MAME_MACHINE_SEGABILL_H
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#pragma once
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#include "machine/315_5338a.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class sega_billboard_device : public device_t
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{
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public:
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// construction/destruction
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sega_billboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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void mem_map(address_map &map);
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void io_map(address_map &map);
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void write(uint8_t data);
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protected:
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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virtual const tiny_rom_entry *device_rom_region() const override;
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virtual ioport_constructor device_input_ports() const override;
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virtual void device_add_mconfig(machine_config &config) override;
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private:
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required_device<cpu_device> m_billcpu;
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required_device<sega_315_5338a_device> m_io;
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output_finder<4> m_digits;
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output_finder<2> m_leds;
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void irq0_line_hold(device_t &device);
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uint8_t cmd_r();
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template<int N> void digit_w(uint8_t data);
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void led_w(uint8_t data);
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uint8_t m_cmd;
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};
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// device type definition
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DECLARE_DEVICE_TYPE(SEGA_BILLBOARD, sega_billboard_device)
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#endif // MAME_MACHINE_SEGABILL_H
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