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Diffstat (limited to 'src/mess/drivers/simon.c')
-rw-r--r-- | src/mess/drivers/simon.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/mess/drivers/simon.c b/src/mess/drivers/simon.c deleted file mode 100644 index 3a885b542c0..00000000000 --- a/src/mess/drivers/simon.c +++ /dev/null @@ -1,188 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -/*************************************************************************** - - Milton Bradley Simon, created by Ralph Baer - - Revision A hardware: - * TMS1000 (has internal ROM), DS75494 lamp driver - - Newer revisions have a smaller 16-pin MB4850 chip instead of the TMS1000. - This one has been decapped too, but we couldn't find an internal ROM. - It is possibly a cost-reduced custom ASIC specifically for Simon. - - Other games assumed to be on similar hardware: - - Pocket Simon, but there's a chance it only exists with MB4850 chip - - Super Simon (TMS1100) - -***************************************************************************/ - -#include "emu.h" -#include "cpu/tms0980/tms0980.h" -#include "sound/speaker.h" - -#include "simon.lh" // clickable - -// master clock is a single stage RC oscillator: R=33K, C=100pf, -// according to the TMS 1000 series data manual this is around 350kHz -#define MASTER_CLOCK (350000) - - -class simon_state : public driver_device -{ -public: - simon_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; - - DECLARE_READ8_MEMBER(read_k); - DECLARE_WRITE16_MEMBER(write_o); - DECLARE_WRITE16_MEMBER(write_r); - - virtual void machine_start(); -}; - - -/*************************************************************************** - - I/O - -***************************************************************************/ - -READ8_MEMBER(simon_state::read_k) -{ - UINT8 k = 0; - - // read selected button rows - for (int i = 0; i < 4; i++) - { - const int ki[4] = { 0, 1, 2, 9 }; - if (m_r >> ki[i] & 1) - k |= m_button_matrix[i]->read(); - } - - return k; -} - -WRITE16_MEMBER(simon_state::write_r) -{ - // R4-R8 go through an 75494 IC first: - // R4 -> 75494 IN6 -> green lamp - // R5 -> 75494 IN3 -> red lamp - // R6 -> 75494 IN5 -> yellow lamp - // R7 -> 75494 IN2 -> blue lamp - for (int i = 0; i < 4; i++) - output_set_lamp_value(i, data >> (4 + i) & 1); - - // R8 -> 75494 IN0 -> speaker - m_speaker->level_w(data >> 8 & 1); - - // R0,R1,R2,R9: input mux - // R3: GND - // other bits: N/C - m_r = data; -} - -WRITE16_MEMBER(simon_state::write_o) -{ - // N/C -} - - - -/*************************************************************************** - - Inputs - -***************************************************************************/ - -static INPUT_PORTS_START( simon ) - PORT_START("IN.0") // R0 - PORT_CONFNAME( 0x07, 0x02, "Game Select") - PORT_CONFSETTING( 0x02, "1" ) - PORT_CONFSETTING( 0x01, "2" ) - PORT_CONFSETTING( 0x04, "3" ) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("IN.1") // R1 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON5 ) PORT_NAME("Green Button") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON6 ) PORT_NAME("Red Button") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON7 ) PORT_NAME("Yellow Button") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON8 ) PORT_NAME("Blue Button") - - PORT_START("IN.2") // R2 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_START ) PORT_NAME("Start") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Last") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Longest") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("IN.3") // R9 - PORT_CONFNAME( 0x0f, 0x01, "Skill Level") - PORT_CONFSETTING( 0x02, "1" ) - PORT_CONFSETTING( 0x04, "2" ) - PORT_CONFSETTING( 0x08, "3" ) - PORT_CONFSETTING( 0x01, "4" ) -INPUT_PORTS_END - - - -/*************************************************************************** - - Machine Config - -***************************************************************************/ - -void simon_state::machine_start() -{ - m_r = 0; - save_item(NAME(m_r)); -} - - -static MACHINE_CONFIG_START( simon, simon_state ) - - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", TMS1000, MASTER_CLOCK) - MCFG_TMS1XXX_READ_K_CB(READ8(simon_state, read_k)) - MCFG_TMS1XXX_WRITE_O_CB(WRITE16(simon_state, write_o)) - MCFG_TMS1XXX_WRITE_R_CB(WRITE16(simon_state, write_r)) - - MCFG_DEFAULT_LAYOUT(layout_simon) - - /* 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( simon ) - ROM_REGION( 0x0400, "maincpu", 0 ) - ROM_LOAD( "tms1000.u1", 0x0000, 0x0400, CRC(9961719d) SHA1(35dddb018a8a2b31f377ab49c1f0cb76951b81c0) ) - - ROM_REGION( 867, "maincpu:mpla", 0 ) - ROM_LOAD( "tms1000_simon_mpla.pla", 0, 867, CRC(52f7c1f1) SHA1(dbc2634dcb98eac173ad0209df487cad413d08a5) ) - ROM_REGION( 365, "maincpu:opla", 0 ) - ROM_LOAD( "tms1000_simon_opla.pla", 0, 365, CRC(2943c71b) SHA1(bd5bb55c57e7ba27e49c645937ec1d4e67506601) ) -ROM_END - - -CONS( 1978, simon, 0, 0, simon, simon, driver_device, 0, "Milton Bradley", "Simon (Rev. A)", GAME_SUPPORTS_SAVE ) |