/*************************************************************************** esqkt.c - Ensoniq KT-76, KT-88, and E-Prime Driver by R. Belmont Hardware: CPU: 68EC020-16 CPU Serial/timers: SCN2681 (MC68681 clone) Sound: 2xES5506 Effects: ES5510 Memory map: 0x000000-0x07FFFF OS ROM 0x200000-0x20003F Master ES5506 0x240000-0x24003F Slave ES5506 0x280000-0x2801FF ES5510 0x300000-0x30000F 68681 DUART 0xFF0000-0xFFFFFF OS RAM Ensoniq KT-76 Ensoniq 1994 This is a wavetable-based synth keyboard made by Ensoniq in 1994 PCB Layout ---------- KT-76 |---------------------------------------------| |J12 J3 J11 J10 | | LM393 LM358| | 74HC4051| |ADM691 | | 62256 | | | |3V_BATTERY KT76_0590_LO.U5 ROM0 | | | | 68EC020 62256 OTTOR2 ROM1 | | | | KT76_690B_HI.U6 ROM2 | | PAL1 | | HP_6N138 | | PAL2 OTTOR2 J6| | 7407 | | | | D41464 D41464 | | | | SCN2681 D41464 D41464 | | 137000402 | | | | 18.432MHz | | ESPR6 16MHz | | POT | | R1136-11 | | | | LM339 LM339 | | J13 J5 J1 J2 J4 | |---------------------------------------------| Notes: J1 - connector for digital jacks J2 - connector for keyboard J3 - connector for LCD display J4 - connector for keyboard J5 - connector for power input J6 - connector for wave expansion J10 - connector for wheels/pressure J11 - connector for memory card J12 - connector for headphones J13 - connector for analog jacks 68EC020 - Motorola MC68EC020FG16 CPU. Clock input 16MHz 1370000402 - Unknown PLCC44 IC stamped with the Ensoniq logo. Likely CPLD or gate array. ESPR6 - Ensoniq ESPR6 (ES5510) sound chip OTTOR2 - Ensoniq OTTOR2 (ES5506) sound chip POT - ESP adjustment pot KT76* - 27C2048/27C210 EPROM ROM* - 2M x8-bit SOP44 mask ROM R1136-11 - DIP40 IC manufactured by Rockwell - believed to be some type of MCU. D41464 - NEC D41464 64k x4-bit DRAM 62256 - 32k x8-bit SRAM SCN2681 - Philips SCN2681 Dual Universal Asynchronous Receiver/Transmitter (DUART) HP_6N138 - HP/Agilent HP 6N138 Low Input Current High Gain Optocoupler PAL1 - MMI PAL20L8ACN stamped 'KT-76 MMU 6A0A'. Printing is faint so 0 could be a B or a D. PAL2 - MMI PAL20L8ACN stamped 'KT-76 BCU 73D6' ***************************************************************************/ #include "bus/midi/midi.h" #include "cpu/m68000/m68000.h" #include "cpu/es5510/es5510.h" #include "sound/es5506.h" #include "machine/mc68681.h" #include "machine/esqpanel.h" class esqkt_state : public driver_device { public: esqkt_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_esp(*this, "esp"), m_duart(*this, "duart"), m_sq1panel(*this, "sq1panel"), m_mdout(*this, "mdout") { } required_device m_maincpu; required_device m_esp; required_device m_duart; required_device m_sq1panel; required_device m_mdout; virtual void machine_reset(); DECLARE_WRITE_LINE_MEMBER(duart_irq_handler); DECLARE_WRITE_LINE_MEMBER(duart_tx_a); DECLARE_WRITE_LINE_MEMBER(duart_tx_b); DECLARE_WRITE8_MEMBER(duart_output); UINT8 m_duart_io; bool m_bCalibSecondByte; private: UINT32 *m_rom, *m_ram; public: DECLARE_DRIVER_INIT(kt); DECLARE_INPUT_CHANGED_MEMBER(key_stroke); DECLARE_WRITE_LINE_MEMBER(esq5506_otto_irq); DECLARE_READ16_MEMBER(esq5506_read_adc); }; void esqkt_state::machine_reset() { m_bCalibSecondByte = false; } static ADDRESS_MAP_START( kt_map, AS_PROGRAM, 32, esqkt_state ) AM_RANGE(0x000000, 0x07ffff) AM_ROM AM_REGION("osrom", 0) AM_RANGE(0x200000, 0x20003f) AM_DEVREADWRITE8("ensoniq", es5506_device, read, write, 0xffffffff) AM_RANGE(0x240000, 0x24003f) AM_DEVREADWRITE8("ensoniq2", es5506_device, read, write, 0xffffffff) AM_RANGE(0x280000, 0x2801ff) AM_DEVREADWRITE8("esp", es5510_device, host_r, host_w, 0xffffffff) AM_RANGE(0x300000, 0x30001f) AM_DEVREADWRITE8("duart", mc68681_device, read, write, 0xffffffff) AM_RANGE(0xff0000, 0xffffff) AM_RAM AM_SHARE("osram") ADDRESS_MAP_END WRITE_LINE_MEMBER(esqkt_state::esq5506_otto_irq) { #if 0 // 5505/06 IRQ generation needs (more) work m_maincpu->set_input_line(1, state); #endif } READ16_MEMBER(esqkt_state::esq5506_read_adc) { switch ((m_duart_io & 7) ^ 7) { case 0: // vRef to check battery return 0x5b00; case 2: // battery voltage return 0x7f00; default: // pedal return 0; } if (m_duart_io & 1) { return 0x5b00; // vRef } else { return 0x7f00; // vBattery } } WRITE_LINE_MEMBER(esqkt_state::duart_irq_handler) { m_maincpu->set_input_line(M68K_IRQ_3, state); }; WRITE8_MEMBER(esqkt_state::duart_output) { m_duart_io = data; // printf("DUART output: %02x (PC=%x)\n", data, m_maincpu->pc()); } WRITE_LINE_MEMBER(esqkt_state::duart_tx_a) { m_mdout->write_txd(state); } WRITE_LINE_MEMBER(esqkt_state::duart_tx_b) { m_sq1panel->rx_w(state); } static MACHINE_CONFIG_START( kt, esqkt_state ) MCFG_CPU_ADD("maincpu", M68EC020, XTAL_16MHz) MCFG_CPU_PROGRAM_MAP(kt_map) MCFG_CPU_ADD("esp", ES5510, XTAL_10MHz) MCFG_DEVICE_DISABLE() MCFG_ESQPANEL2x40_SQ1_ADD("sq1panel") MCFG_ESQPANEL_TX_CALLBACK(DEVWRITELINE("duart", mc68681_device, rx_b_w)) MCFG_MC68681_ADD("duart", 4000000) MCFG_MC68681_IRQ_CALLBACK(WRITELINE(esqkt_state, duart_irq_handler)) MCFG_MC68681_A_TX_CALLBACK(WRITELINE(esqkt_state, duart_tx_a)) MCFG_MC68681_B_TX_CALLBACK(WRITELINE(esqkt_state, duart_tx_b)) MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(esqkt_state, duart_output)) MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000) MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000) MCFG_MIDI_PORT_ADD("mdin", midiin_slot, "midiin") MCFG_MIDI_RX_HANDLER(DEVWRITELINE("duart", mc68681_device, rx_a_w)) // route MIDI Tx send directly to 68681 channel A Rx MCFG_MIDI_PORT_ADD("mdout", midiout_slot, "midiout") MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker") MCFG_SOUND_ADD("ensoniq", ES5506, XTAL_16MHz) MCFG_ES5506_REGION0("waverom") /* Bank 0 */ MCFG_ES5506_REGION1("waverom2") /* Bank 1 */ MCFG_ES5506_REGION2("waverom3") /* Bank 0 */ MCFG_ES5506_REGION3("waverom4") /* Bank 1 */ MCFG_ES5506_CHANNELS(1) /* channels */ MCFG_ES5506_IRQ_CB(WRITELINE(esqkt_state, esq5506_otto_irq)) /* irq */ MCFG_ES5506_READ_PORT_CB(READ16(esqkt_state, esq5506_read_adc)) MCFG_SOUND_ROUTE(0, "lspeaker", 0.5) MCFG_SOUND_ROUTE(1, "rspeaker", 0.5) MCFG_SOUND_ADD("ensoniq2", ES5506, XTAL_16MHz) MCFG_ES5506_REGION0("waverom") /* Bank 0 */ MCFG_ES5506_REGION1("waverom2") /* Bank 1 */ MCFG_ES5506_REGION2("waverom3") /* Bank 0 */ MCFG_ES5506_REGION3("waverom4") /* Bank 1 */ MCFG_ES5506_CHANNELS(1) /* channels */ MCFG_SOUND_ROUTE(0, "lspeaker", 0.5) MCFG_SOUND_ROUTE(1, "rspeaker", 0.5) MACHINE_CONFIG_END static INPUT_PORTS_START( kt ) INPUT_PORTS_END ROM_START( kt76 ) ROM_REGION(0x80000, "osrom", 0) ROM_LOAD32_WORD( "kt76_162_lo.bin", 0x000000, 0x020000, CRC(1a1ab910) SHA1(dcc80db2297fd25993e090c2e5bb7f947319a8bf) ) ROM_LOAD32_WORD( "kt76_162_hi.bin", 0x000002, 0x040000, CRC(de16d236) SHA1(c55fca86453e90e8c34a048bed45817063237370) ) ROM_REGION(0x400000, "waverom", ROMREGION_ERASE00) ROM_LOAD16_BYTE( "1351000401_rom0.u103", 0x000001, 0x200000, CRC(425047af) SHA1(9680d1fc222b29ba24f0fbf6136982bee87a60ef) ) ROM_REGION(0x400000, "waverom2", ROMREGION_ERASE00) ROM_LOAD16_BYTE( "1351000402_rom1.u102", 0x000001, 0x200000, CRC(64459185) SHA1(0fa20b16847fc02a384057fc3d385226eb3e7527) ) ROM_REGION(0x400000, "waverom3", ROMREGION_ERASE00) ROM_LOAD16_BYTE( "1351000403_rom2.u104", 0x000001, 0x200000, CRC(c2aacc5d) SHA1(7fab518ba92ddb23cdc4dcb04751b26d25c298c0) ) ROM_REGION(0x200000, "waverom4", ROMREGION_ERASE00) ROM_END DRIVER_INIT_MEMBER(esqkt_state, kt) { m_duart_io = 0; } CONS( 1996, kt76, 0, 0, kt, kt, esqkt_state, kt, "Ensoniq", "KT-76", GAME_IMPERFECT_SOUND )