/************************************************\ * Multitech Micro Professor 1 * * * * CPU: Z80 @ 1.79 MHz * * ROM: 4-kilobyte ROM monitor * * RAM: 4 kilobytes * * Input: Hex keypad * * Storage: Cassette tape * * Video: 6x 7-segment LED display * * Sound: Speaker * \************************************************/ /* TODO: - remove halt callback - crt board - speech board - printers - clickable artwork */ #include "includes/mpf1.h" #include "mpf1.lh" #include "mpf1b.lh" #include "mpf1p.lh" /* Address Maps */ static ADDRESS_MAP_START( mpf1_map, AS_PROGRAM, 8, mpf1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1800, 0x1fff) AM_RAM AM_RANGE(0x2000, 0x2fff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( mpf1b_map, AS_PROGRAM, 8, mpf1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1800, 0x1fff) AM_RAM AM_RANGE(0x2000, 0x2fff) AM_ROM AM_RANGE(0x5000, 0x6fff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( mpf1p_map, AS_PROGRAM, 8, mpf1_state ) AM_RANGE(0x0000, 0x1fff) AM_ROM AM_RANGE(0x6000, 0x6fff) AM_ROM AM_RANGE(0xf000, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( mpf1_io_map, AS_IO, 8, mpf1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x03) AM_MIRROR(0x3c) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write) AM_RANGE(0x40, 0x43) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) AM_RANGE(0x80, 0x83) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80PIO_TAG, z80pio_device, read, write) ADDRESS_MAP_END static ADDRESS_MAP_START( mpf1b_io_map, AS_IO, 8, mpf1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x03) AM_MIRROR(0x3c) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write) AM_RANGE(0x40, 0x43) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) AM_RANGE(0x80, 0x83) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80PIO_TAG, z80pio_device, read, write) AM_RANGE(0xfe, 0xfe) AM_MIRROR(0x01) AM_DEVREADWRITE(TMS5220_TAG, tms5220_device, status_r, data_w) ADDRESS_MAP_END static ADDRESS_MAP_START( mpf1p_io_map, AS_IO, 8, mpf1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x03) AM_MIRROR(0x3c) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write) AM_RANGE(0x40, 0x43) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write) AM_RANGE(0x80, 0x83) AM_MIRROR(0x3c) AM_DEVREADWRITE(Z80PIO_TAG, z80pio_device, read, write) ADDRESS_MAP_END /* Input Ports */ INPUT_CHANGED_MEMBER( mpf1_state::trigger_nmi ) { m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE); } INPUT_CHANGED_MEMBER( mpf1_state::trigger_irq ) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, newval ? CLEAR_LINE : ASSERT_LINE); } static INPUT_PORTS_START( mpf1 ) PORT_START("PC0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3 HL") PORT_CODE(KEYCODE_3) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7 HL'") PORT_CODE(KEYCODE_7) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B I*IF") PORT_CODE(KEYCODE_B) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F *PNC'") PORT_CODE(KEYCODE_F) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2 DE") PORT_CODE(KEYCODE_2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6 DE'") PORT_CODE(KEYCODE_6) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A SP") PORT_CODE(KEYCODE_A) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E SZ*H'") PORT_CODE(KEYCODE_E) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1 BC") PORT_CODE(KEYCODE_1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5 BC'") PORT_CODE(KEYCODE_5) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9 IY") PORT_CODE(KEYCODE_9) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D *PNC") PORT_CODE(KEYCODE_D) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STEP") PORT_CODE(KEYCODE_F1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAPE RD") PORT_CODE(KEYCODE_F5) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0 AF") PORT_CODE(KEYCODE_0) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4 AF'") PORT_CODE(KEYCODE_4) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8 IX") PORT_CODE(KEYCODE_8) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C SZ*H") PORT_CODE(KEYCODE_C) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GO") PORT_CODE(KEYCODE_F2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAPE WR") PORT_CODE(KEYCODE_F6) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CBR") PORT_CODE(KEYCODE_N) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PC") PORT_CODE(KEYCODE_M) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("REG") PORT_CODE(KEYCODE_COMMA) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ADDR") PORT_CODE(KEYCODE_STOP) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL") PORT_CODE(KEYCODE_SLASH) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RELA") PORT_CODE(KEYCODE_RCONTROL) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SBR") PORT_CODE(KEYCODE_H) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_J) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DATA") PORT_CODE(KEYCODE_K) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("+") PORT_CODE(KEYCODE_L) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INS") PORT_CODE(KEYCODE_COLON) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MOVE") PORT_CODE(KEYCODE_QUOTE) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("SPECIAL") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("USER KEY") PORT_CODE(KEYCODE_U) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MONI") PORT_CODE(KEYCODE_M) PORT_CHANGED_MEMBER(DEVICE_SELF, mpf1_state, trigger_nmi, 0) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INTR") PORT_CODE(KEYCODE_I) PORT_CHANGED_MEMBER(DEVICE_SELF, mpf1_state, trigger_irq, 0) INPUT_PORTS_END static INPUT_PORTS_START( mpf1b ) PORT_START("PC0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("3 /") PORT_CODE(KEYCODE_3) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("7 >") PORT_CODE(KEYCODE_7) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("B STOP") PORT_CODE(KEYCODE_B) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F LET") PORT_CODE(KEYCODE_F) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2 *") PORT_CODE(KEYCODE_2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6 <") PORT_CODE(KEYCODE_6) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("A CALL") PORT_CODE(KEYCODE_A) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("E INPUT") PORT_CODE(KEYCODE_E) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("1 -") PORT_CODE(KEYCODE_1) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("5 =") PORT_CODE(KEYCODE_5) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("9 P") PORT_CODE(KEYCODE_9) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D PRINT") PORT_CODE(KEYCODE_D) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CONT") PORT_CODE(KEYCODE_F1) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOAD") PORT_CODE(KEYCODE_F5) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("0 +") PORT_CODE(KEYCODE_0) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("4 * *") PORT_CODE(KEYCODE_4) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("8 M") PORT_CODE(KEYCODE_8) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("C NEXT") PORT_CODE(KEYCODE_C) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RUN") PORT_CODE(KEYCODE_F2) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SAVE") PORT_CODE(KEYCODE_F6) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("IF/\xE2\x88\xA7") PORT_CODE(KEYCODE_PGUP) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TO/\xE2\x86\x93") PORT_CODE(KEYCODE_T) PORT_CODE(KEYCODE_DOWN) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("THEN/\xE2\x88\xA8") PORT_CODE(KEYCODE_PGDN) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GOTO") PORT_CODE(KEYCODE_G) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RET/\xE2\x89\x81") PORT_CODE(KEYCODE_R) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GOSUB") PORT_CODE(KEYCODE_O) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("PC5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FOR/\xE2\x86\x91") PORT_CODE(KEYCODE_H) PORT_CODE(KEYCODE_UP) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LIST") PORT_CODE(KEYCODE_L) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NEW") PORT_CODE(KEYCODE_N) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CLR/\xE2\x86\x92") PORT_CODE(KEYCODE_INSERT) PORT_CODE(KEYCODE_RIGHT) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEL/\xE2\x86\x90") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_LEFT) PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("SPECIAL") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MONI") PORT_CODE(KEYCODE_M) PORT_CHANGED_MEMBER(DEVICE_SELF, mpf1_state, trigger_nmi, 0) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INTR") PORT_CODE(KEYCODE_I) PORT_CHANGED_MEMBER(DEVICE_SELF, mpf1_state, trigger_irq, 0) INPUT_PORTS_END /* Intel 8255A Interface */ TIMER_CALLBACK_MEMBER(mpf1_state::led_refresh) { if (BIT(m_lednum, 5)) output_set_digit_value(0, param); if (BIT(m_lednum, 4)) output_set_digit_value(1, param); if (BIT(m_lednum, 3)) output_set_digit_value(2, param); if (BIT(m_lednum, 2)) output_set_digit_value(3, param); if (BIT(m_lednum, 1)) output_set_digit_value(4, param); if (BIT(m_lednum, 0)) output_set_digit_value(5, param); } READ8_MEMBER( mpf1_state::ppi_pa_r ) { UINT8 data = 0x7f; /* bit 0 to 5, keyboard rows 0 to 5 */ if (!BIT(m_lednum, 0)) data &= m_pc0->read(); if (!BIT(m_lednum, 1)) data &= m_pc1->read(); if (!BIT(m_lednum, 2)) data &= m_pc2->read(); if (!BIT(m_lednum, 3)) data &= m_pc3->read(); if (!BIT(m_lednum, 4)) data &= m_pc4->read(); if (!BIT(m_lednum, 5)) data &= m_pc5->read(); /* bit 6, user key */ data &= m_special->read() & 1 ? 0xff : 0xbf; /* bit 7, tape input */ data |= ((m_cassette)->input() > 0 ? 1 : 0) << 7; return data; } WRITE8_MEMBER( mpf1_state::ppi_pb_w ) { /* swap bits around for the mame 7-segment emulation */ UINT8 led_data = BITSWAP8(data, 6, 1, 2, 0, 7, 5, 4, 3); /* timer to update segments */ m_led_refresh_timer->adjust(attotime::from_usec(70), led_data); } WRITE8_MEMBER( mpf1_state::ppi_pc_w ) { /* bits 0-5, led select and keyboard latch */ m_lednum = data & 0x3f; m_led_refresh_timer->adjust(attotime::never); /* bit 6, monitor break control */ m_break = BIT(data, 6); if (m_break) { m_m1 = 0; m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE); } /* bit 7, tape output, tone and led */ set_led_status(machine(), 0, !BIT(data, 7)); m_speaker->level_w(BIT(data, 7)); m_cassette->output( BIT(data, 7)); } static I8255A_INTERFACE( ppi8255_intf ) { DEVCB_DRIVER_MEMBER(mpf1_state, ppi_pa_r), DEVCB_NULL, DEVCB_NULL, DEVCB_DRIVER_MEMBER(mpf1_state, ppi_pb_w), DEVCB_NULL, DEVCB_DRIVER_MEMBER(mpf1_state, ppi_pc_w), }; /* Z80CTC Interface */ static Z80CTC_INTERFACE( mpf1_ctc_intf ) { DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; /* Z80PIO Interface */ static Z80PIO_INTERFACE( mpf1_pio_intf ) { DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0), DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL, DEVCB_NULL }; /* Z80 Daisy Chain */ static const z80_daisy_config mpf1_daisy_chain[] = { { Z80CTC_TAG }, { Z80PIO_TAG }, { NULL } }; /* Cassette Interface */ static const cassette_interface mpf1_cassette_interface = { cassette_default_formats, NULL, (cassette_state)(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED), NULL, NULL }; /* Machine Initialization */ TIMER_DEVICE_CALLBACK_MEMBER(mpf1_state::check_halt_callback) { // halt-LED; the red one, is turned on when the processor is halted // TODO: processor seems to halt, but restarts(?) at 0x0000 after a while -> fix INT64 led_halt = m_maincpu->state_int(Z80_HALT); set_led_status(machine(), 1, led_halt); } void mpf1_state::machine_start() { m_led_refresh_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(mpf1_state::led_refresh),this)); /* register for state saving */ save_item(NAME(m_break)); save_item(NAME(m_m1)); save_item(NAME(m_lednum)); } void mpf1_state::machine_reset() { m_lednum = 0; } /* Machine Drivers */ static MACHINE_CONFIG_START( mpf1, mpf1_state ) /* basic machine hardware */ MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_3_579545MHz/2) MCFG_CPU_PROGRAM_MAP(mpf1_map) MCFG_CPU_IO_MAP(mpf1_io_map) MCFG_CPU_CONFIG(mpf1_daisy_chain) /* devices */ MCFG_Z80PIO_ADD(Z80PIO_TAG, XTAL_3_579545MHz/2, mpf1_pio_intf) MCFG_Z80CTC_ADD(Z80CTC_TAG, XTAL_3_579545MHz/2, mpf1_ctc_intf) MCFG_I8255A_ADD(I8255A_TAG, ppi8255_intf) MCFG_CASSETTE_ADD("cassette", mpf1_cassette_interface) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_mpf1) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_TIMER_DRIVER_ADD_PERIODIC("halt_timer", mpf1_state, check_halt_callback, attotime::from_hz(1)) MACHINE_CONFIG_END static MACHINE_CONFIG_START( mpf1b, mpf1_state ) /* basic machine hardware */ MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_3_579545MHz/2) MCFG_CPU_PROGRAM_MAP(mpf1b_map) MCFG_CPU_IO_MAP(mpf1b_io_map) MCFG_CPU_CONFIG(mpf1_daisy_chain) /* devices */ MCFG_Z80PIO_ADD(Z80PIO_TAG, XTAL_3_579545MHz/2, mpf1_pio_intf) MCFG_Z80CTC_ADD(Z80CTC_TAG, XTAL_3_579545MHz/2, mpf1_ctc_intf) MCFG_I8255A_ADD(I8255A_TAG, ppi8255_intf) MCFG_CASSETTE_ADD("cassette", mpf1_cassette_interface) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_mpf1b) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_SOUND_ADD(TMS5220_TAG, TMS5220, 680000L) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MCFG_TIMER_DRIVER_ADD_PERIODIC("halt_timer", mpf1_state, check_halt_callback, attotime::from_hz(1)) MACHINE_CONFIG_END static MACHINE_CONFIG_START( mpf1p, mpf1_state ) /* basic machine hardware */ MCFG_CPU_ADD(Z80_TAG, Z80, 2500000) MCFG_CPU_PROGRAM_MAP(mpf1p_map) MCFG_CPU_IO_MAP(mpf1p_io_map) MCFG_CPU_CONFIG(mpf1_daisy_chain) /* video hardware */ MCFG_DEFAULT_LAYOUT(layout_mpf1p) /* devices */ MCFG_Z80PIO_ADD(Z80PIO_TAG, 2500000, mpf1_pio_intf) MCFG_Z80CTC_ADD(Z80CTC_TAG, 2500000, mpf1_ctc_intf) MCFG_I8255A_ADD(I8255A_TAG, ppi8255_intf) MCFG_CASSETTE_ADD("cassette", mpf1_cassette_interface) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_TIMER_DRIVER_ADD_PERIODIC("halt_timer", mpf1_state, check_halt_callback, attotime::from_hz(1)) MACHINE_CONFIG_END /* ROMs */ ROM_START( mpf1 ) ROM_REGION( 0x10000, Z80_TAG, 0 ) ROM_LOAD( "mpf.u6", 0x0000, 0x1000, CRC(b60249ce) SHA1(78e0e8874d1497fabfdd6378266d041175e3797f) ) ROM_END ROM_START( mpf1b ) ROM_REGION( 0x10000, Z80_TAG, 0 ) ROM_LOAD( "c55167.u6", 0x0000, 0x1000, CRC(28b06dac) SHA1(99cfbab739d71a914c39302d384d77bddc4b705b) ) ROM_LOAD( "basic.u7", 0x2000, 0x1000, CRC(d276ed6b) SHA1(a45fb98961be5e5396988498c6ed589a35398dcf) ) ROM_LOAD( "ssb-mpf.u", 0x5000, 0x1000, CRC(f926334f) SHA1(35847f8164eed4c0794a8b74e5d7fa972b10eb90) ) ROM_LOAD( "prt-mpf.u5", 0x6000, 0x1000, CRC(730f2fb0) SHA1(f31536ee9dbb9babb9ce16a7490db654ca0b5749) ) ROM_END ROM_START( mpf1p ) ROM_REGION( 0x10000, Z80_TAG, 0 ) ROM_LOAD( "mpf1pmon.bin", 0x0000, 0x2000, CRC(91ace7d3) SHA1(22e3c16a81ac09f37741ad1b526a4456b2ba9493) ) ROM_LOAD( "prt-mpf-ip.u5", 0x6000, 0x1000, CRC(4dd2a4eb) SHA1(6a3e7daa7834d67fd572261ed4a9a62c4594fe3f) ) ROM_END /* System Drivers */ DIRECT_UPDATE_MEMBER(mpf1_state::mpf1_direct_update_handler) { if (!m_break) { m_m1++; if (m_m1 == 5) { m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE); } } return 0; } DRIVER_INIT_MEMBER(mpf1_state,mpf1) { m_maincpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(mpf1_state::mpf1_direct_update_handler), this)); } COMP( 1979, mpf1, 0, 0, mpf1, mpf1, mpf1_state, mpf1, "Multitech", "Micro Professor 1", 0) COMP( 1979, mpf1b, mpf1, 0, mpf1b,mpf1b, mpf1_state, mpf1, "Multitech", "Micro Professor 1B", 0) COMP( 1982, mpf1p, mpf1, 0, mpf1p,mpf1b, mpf1_state, mpf1, "Multitech", "Micro Professor 1 Plus", GAME_NOT_WORKING)