diff options
Diffstat (limited to 'src/mess/drivers/splitsec.c')
-rw-r--r-- | src/mess/drivers/splitsec.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/mess/drivers/splitsec.c b/src/mess/drivers/splitsec.c new file mode 100644 index 00000000000..2aae2430d3e --- /dev/null +++ b/src/mess/drivers/splitsec.c @@ -0,0 +1,135 @@ +// license:BSD-3-Clause +// copyright-holders:hap +/*************************************************************************** + + Parker Brothers Split Second + * TMS1400NLL MP7314-N2 (die labeled MP7314) + + +***************************************************************************/ + +#include "emu.h" +#include "cpu/tms0980/tms0980.h" +#include "sound/speaker.h" + +#include "splitsec.lh" + +// master clock is a single stage RC oscillator: R=24K, C=100pf, +// according to the TMS 1000 series data manual this is around 375kHz +#define MASTER_CLOCK (375000) + + +class splitsec_state : public driver_device +{ +public: + splitsec_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), +// m_button_matrix(*this, "IN"), + m_speaker(*this, "speaker") + { } + + required_device<cpu_device> m_maincpu; +// required_ioport_array<4> m_button_matrix; + required_device<speaker_sound_device> m_speaker; + + UINT16 m_r; + UINT16 m_o; + + DECLARE_READ8_MEMBER(read_k); + DECLARE_WRITE16_MEMBER(write_o); + DECLARE_WRITE16_MEMBER(write_r); + + virtual void machine_start(); +}; + + + +/*************************************************************************** + + I/O + +***************************************************************************/ + +READ8_MEMBER(splitsec_state::read_k) +{ + return 0; +} + +WRITE16_MEMBER(splitsec_state::write_r) +{ + m_r = data; +} + +WRITE16_MEMBER(splitsec_state::write_o) +{ + m_o = data; +} + + + +/*************************************************************************** + + Inputs + +***************************************************************************/ + +static INPUT_PORTS_START( splitsec ) +INPUT_PORTS_END + + + +/*************************************************************************** + + Machine Config + +***************************************************************************/ + +void splitsec_state::machine_start() +{ + m_r = 0; + m_o = 0; + + save_item(NAME(m_r)); + save_item(NAME(m_o)); +} + + +static MACHINE_CONFIG_START( splitsec, splitsec_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", TMS1400, MASTER_CLOCK) + MCFG_TMS1XXX_READ_K_CB(READ8(splitsec_state, read_k)) + MCFG_TMS1XXX_WRITE_O_CB(WRITE16(splitsec_state, write_o)) + MCFG_TMS1XXX_WRITE_R_CB(WRITE16(splitsec_state, write_r)) + + MCFG_DEFAULT_LAYOUT(layout_splitsec) + + /* no video! */ + + /* sound hardware */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) +MACHINE_CONFIG_END + + + +/*************************************************************************** + + Game driver(s) + +***************************************************************************/ + +ROM_START( splitsec ) + ROM_REGION( 0x1000, "maincpu", 0 ) + ROM_LOAD( "tms1400nll_mp7314", 0x0000, 0x1000, CRC(0cccdf59) SHA1(06a533134a433aaf856b80f0ca239d0498b98d5f) ) + + ROM_REGION( 867, "maincpu:mpla", 0 ) + ROM_LOAD( "tms1100_default_mpla.pla", 0, 867, CRC(62445fc9) SHA1(d6297f2a4bc7a870b76cc498d19dbb0ce7d69fec) ) + ROM_REGION( 557, "maincpu:opla", 0 ) + ROM_LOAD( "tms1400_splitsec_opla.pla", 0, 557, CRC(7539283b) SHA1(f791fa98259fc10c393ff1961d4c93040f1a2932) ) +ROM_END + + +CONS( 1980, splitsec, 0, 0, splitsec, splitsec, driver_device, 0, "Parker Brothers", "Split Second", GAME_SUPPORTS_SAVE | GAME_NOT_WORKING ) |