// license:BSD-3-Clause // copyright-holders:Fabio Priuli, Curt Coder /*************************************************************************** A.S.EL. Amico 2000 07/2009 Skeleton driver. IC9 - Monitor PROM, handwritten from book listing by Davide IC10 - Recorder PROM, yet to be found IC6/IC7 - PROMs reconstructed by Luigi Serrantoni To Do: * Basically everything, in particular implement PROM (described in details at the link below) and i8255 http://www.computerhistory.it/index.php?option=com_content&task=view&id=85&Itemid=117 Pasting: 0-F : as is ^ (inc) : ^ AD : - DA : = GO : X Test Paste: =11^22^33^44^55^66^77^88^99^-0000 Now press up-arrow to confirm the data has been entered. ****************************************************************************/ #include "emu.h" #include "cpu/m6502/m6502.h" #include "machine/i8255.h" #include "amico2k.lh" class amico2k_state : public driver_device { public: amico2k_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_digits(*this, "digit%u", 0U) { } void machine_start() override; DECLARE_READ8_MEMBER( ppi_pa_r ); DECLARE_WRITE8_MEMBER( ppi_pa_w ); DECLARE_READ8_MEMBER( ppi_pb_r ); DECLARE_WRITE8_MEMBER( ppi_pb_w ); // timers emu_timer *m_led_refresh_timer; TIMER_CALLBACK_MEMBER(led_refresh); void amico2k(machine_config &config); void amico2k_mem(address_map &map); private: int m_ls145_p; uint8_t m_segment; required_device m_maincpu; output_finder<6> m_digits; }; void amico2k_state::amico2k_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x03ff).ram(); // AM_RANGE(0x0400, 0x07ff) AM_RAM // optional expansion RAM map(0xfb00, 0xfcff).rom(); map(0xfd00, 0xfd03).rw("i8255", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0xfe00, 0xffff).rom(); } /* Input ports */ static INPUT_PORTS_START( amico2k ) PORT_START("Q0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("Q1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("Q2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PC") PORT_CODE(KEYCODE_P) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RUN") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR('^') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DA") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("AD") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) INPUT_PORTS_END TIMER_CALLBACK_MEMBER(amico2k_state::led_refresh) { if (m_ls145_p > 3) { m_digits[m_ls145_p - 4] = m_segment; } } READ8_MEMBER( amico2k_state::ppi_pa_r ) { /* bit description PA0 keyboard data 0 PA1 keyboard data 1 PA2 keyboard data 2 PA3 keyboard data 3 PA4 keyboard data 4 PA5 keyboard data 5 PA6 keyboard data 6 PA7 reg out */ switch (m_ls145_p) { case 0: return ioport("Q0")->read(); case 1: return ioport("Q1")->read(); case 2: return ioport("Q2")->read(); default: return 0xff; } } WRITE8_MEMBER( amico2k_state::ppi_pa_w ) { /* bit description PA0 LED segment A PA1 LED segment B PA2 LED segment C PA3 LED segment D PA4 LED segment E PA5 LED segment F PA6 LED segment G PA7 */ m_segment = data; m_led_refresh_timer->adjust(attotime::from_usec(70)); } READ8_MEMBER( amico2k_state::ppi_pb_r ) { /* bit description PB0 reg out PB1 PB2 PB3 PB4 PB5 PB6 PB7 */ return 0; } WRITE8_MEMBER( amico2k_state::ppi_pb_w ) { /* bit description PB0 PB1 LS145 P0 PB2 LS145 P1 PB3 LS145 P2 PB4 LS145 P3 PB5 reg in PB6 reg in PB7 led output enable */ m_ls145_p = (data >> 1) & 0x0f; } void amico2k_state::machine_start() { m_digits.resolve(); m_led_refresh_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(amico2k_state::led_refresh),this)); // state saving save_item(NAME(m_ls145_p)); save_item(NAME(m_segment)); } MACHINE_CONFIG_START(amico2k_state::amico2k) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", M6502, 1000000) /* 1MHz */ MCFG_DEVICE_PROGRAM_MAP(amico2k_mem) /* video hardware */ MCFG_DEFAULT_LAYOUT( layout_amico2k ) MCFG_DEVICE_ADD("i8255", I8255, 0) MCFG_I8255_IN_PORTA_CB(READ8(*this, amico2k_state, ppi_pa_r)) MCFG_I8255_OUT_PORTA_CB(WRITE8(*this, amico2k_state, ppi_pa_w)) MCFG_I8255_IN_PORTB_CB(READ8(*this, amico2k_state, ppi_pb_r)) MCFG_I8255_OUT_PORTB_CB(WRITE8(*this, amico2k_state, ppi_pb_w)) MACHINE_CONFIG_END /* ROM definition */ // not sure the ROMs are loaded correctly ROM_START( amico2k ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "prom.ic10", 0xfb00, 0x200, NO_DUMP ) // cassette recorder ROM, not published anywhere. a board is needed! ROM_LOAD( "prom.ic9", 0xfe00, 0x200, CRC(86449f7c) SHA1(fe7deca86e90ab89aae23f11e9dbaf343b4242dc) ) ROM_REGION( 0x200, "proms", ROMREGION_ERASEFF ) ROM_LOAD( "prom.ic6", 0x000, 0x100, CRC(4005f760) SHA1(7edcd85feb5a576f6da1bbb723b3cf668cf3df45) ) ROM_LOAD( "prom.ic7", 0x100, 0x100, CRC(8785d864) SHA1(d169c3b5f5690664083030948db9f33571b08656) ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1978, amico2k, 0, 0, amico2k, amico2k, amico2k_state, empty_init, "A.S.E.L.", "Amico 2000", MACHINE_NO_SOUND_HW)