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Diffstat (limited to 'src/mame/drivers/mk14.cpp')
-rw-r--r-- | src/mame/drivers/mk14.cpp | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/src/mame/drivers/mk14.cpp b/src/mame/drivers/mk14.cpp deleted file mode 100644 index 67c0c101e5f..00000000000 --- a/src/mame/drivers/mk14.cpp +++ /dev/null @@ -1,251 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert -/********************************************************************************************************************************* - -Science of Cambridge MK-14 - -2009-11-20 Skeleton driver. -2016-08-21 Working - -Keys: - -UP: MEM increments the currently displayed address, (and goes into data entry mode in V1 bios). -= : TERM changes to "data entry" mode. In this mode, entering hex digits will change the byte at the currently displayed address -- : ABORT changes to "address entry" mode. In this mode, entering hex digits will change the address. -X : GO runs the program from the currently displayed address. On exit, the instruction after the program is displayed - -Pasting: - 0-F : as is - MEM : ^ - TERM: = - AB : - - GO : X - -Example program: ("organ" from p82 of the manual) --F20=C4^0D^35^C4^00^31^C4^08^C8^F6^C5^01^E4^FF^98^08^8F^00^06^E4^07^07^90^EB^B8^E6^9C^EE^90^E5^-F20X -Pressing keys will produces different tones. - - -TODO: -- VDU optional attachment (we are missing the chargen rom) - -*********************************************************************************************************************************/ - -#include "emu.h" - -#include "cpu/scmp/scmp.h" -#include "imagedev/cassette.h" -#include "machine/ins8154.h" -#include "sound/dac.h" -#include "sound/volt_reg.h" -#include "speaker.h" - -#include "mk14.lh" - - -class mk14_state : public driver_device -{ -public: - mk14_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_keyboard(*this, "X.%u", 0) - , m_cass(*this, "cassette") - , m_dac(*this, "dac") - , m_digits(*this, "digit%u", 0U) - { } - - void mk14(machine_config &config); - -private: - DECLARE_READ8_MEMBER(keyboard_r); - DECLARE_WRITE8_MEMBER(display_w); - DECLARE_WRITE8_MEMBER(port_a_w); - DECLARE_WRITE_LINE_MEMBER(cass_w); - DECLARE_READ_LINE_MEMBER(cass_r); - void mem_map(address_map &map); - - virtual void machine_reset() override; - virtual void machine_start() override; - required_device<scmp_device> m_maincpu; - required_ioport_array<8> m_keyboard; - required_device<cassette_image_device> m_cass; - required_device<dac_bit_interface> m_dac; - output_finder<8> m_digits; -}; - -/* -000-1FF 512 byte SCIOS ROM Decoded by 0xxx -200-3FF ROM Shadow / Expansion RAM -400-5FF ROM Shadow / Expansion RAM -600-7FF ROM Shadow / Expansion RAM -800-87F I/O Ports Decoded by 1xx0 -880-8FF 128 bytes I/O chip RAM Decoded by 1xx0 -900-9FF Keyboard & Display Decoded by 1x01 -A00-AFF I/O Port & RAM Shadow -B00-BFF 256 bytes RAM (Extended) / VDU RAM Decoded by 1011 -C00-CFF I/O Port & RAM Shadow -D00-DFF Keyboard & Display Shadow -E00-EFF I/O Port & RAM Shadow -F00-FFF 256 bytes RAM (Standard) / VDU RAM Decoded by 1111 - -*/ - - -READ8_MEMBER( mk14_state::keyboard_r ) -{ - if (offset < 8) - return m_keyboard[offset]->read(); - else - return 0xff; -} - -WRITE8_MEMBER( mk14_state::display_w ) -{ - if (offset < 8 ) - m_digits[offset] = data; - else - { - //logerror("write %02x to %02x\n",data,offset); - } -} - -void mk14_state::mem_map(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0x0fff); - map(0x000, 0x1ff).mirror(0x600).rom(); // ROM - map(0x800, 0x87f).mirror(0x600).rw("ic8", FUNC(ins8154_device::read_io), FUNC(ins8154_device::write_io)); // I/O - map(0x880, 0x8ff).mirror(0x600).rw("ic8", FUNC(ins8154_device::read_ram), FUNC(ins8154_device::write_ram)); // 128 bytes I/O chip RAM - map(0x900, 0x9ff).mirror(0x400).rw(FUNC(mk14_state::keyboard_r), FUNC(mk14_state::display_w)); - map(0xb00, 0xbff).ram(); // VDU RAM - map(0xf00, 0xfff).ram(); // Standard RAM -} - - -/* Input ports */ -static INPUT_PORTS_START( mk14 ) - PORT_START("X.0") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_START("X.1") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') - PORT_START("X.2") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("GO") PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_START("X.3") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MEM") PORT_CODE(KEYCODE_UP) PORT_CHAR('^') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_START("X.4") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("AB") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_START("X.5") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') - PORT_START("X.6") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_START("X.7") - PORT_BIT(0x0F, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TERM") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') - PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') -INPUT_PORTS_END - -WRITE8_MEMBER( mk14_state::port_a_w ) -{ -} - -WRITE_LINE_MEMBER( mk14_state::cass_w ) -{ - m_cass->output(state ? -1.0 : +1.0); - m_dac->write(state); -} - -READ_LINE_MEMBER( mk14_state::cass_r ) -{ - return (m_cass->input() > 0.03) ? 1 : 0; -} - -void mk14_state::machine_reset() -{ -} - -void mk14_state::machine_start() -{ - m_digits.resolve(); -} - -void mk14_state::mk14(machine_config &config) -{ - /* basic machine hardware */ - // IC1 1SP-8A/600 (8060) SC/MP Microprocessor - INS8060(config, m_maincpu, 4.433619_MHz_XTAL); - m_maincpu->flag_out().set(FUNC(mk14_state::cass_w)); - m_maincpu->s_out().set_nop(); - m_maincpu->s_in().set(FUNC(mk14_state::cass_r)); - m_maincpu->sense_a().set_constant(0); - m_maincpu->sense_b().set(FUNC(mk14_state::cass_r)); - m_maincpu->halt().set_nop(); - m_maincpu->set_addrmap(AS_PROGRAM, &mk14_state::mem_map); - - /* video hardware */ - config.set_default_layout(layout_mk14); - - // sound - SPEAKER(config, "speaker").front_center(); - DAC_1BIT(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.25); - ZN425E(config, "dac8", 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // Ferranti ZN425E - voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref", 0)); - vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT); - vref.add_route(0, "dac8", 1.0, DAC_VREF_POS_INPUT); - vref.add_route(0, "dac8", -1.0, DAC_VREF_NEG_INPUT); - - /* devices */ - ins8154_device &ic8(INS8154(config, "ic8")); - ic8.out_a().set(FUNC(mk14_state::port_a_w)); - ic8.out_b().set("dac8", FUNC(dac_byte_interface::data_w)); - - CASSETTE(config, m_cass); - m_cass->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED); - m_cass->add_route(ALL_OUTPUTS, "speaker", 0.05); -} - -/* ROM definition */ -ROM_START( mk14 ) - ROM_REGION( 0x200, "maincpu", 0 ) - // IC2,3 74S571 512 x 4 bit ROM - ROM_DEFAULT_BIOS("v2") - ROM_SYSTEM_BIOS(0, "v2", "SCIOS V2") - ROMX_LOAD( "scios_v2.bin", 0x0000, 0x0200, CRC(8b667daa) SHA1(802dc637ce5391a2a6627f76f919b12a869b56ef), ROM_BIOS(0)) - ROM_SYSTEM_BIOS(1, "v1", "SCIOS V1") - ROMX_LOAD( "scios_v1.bin", 0x0000, 0x0200, CRC(3d2477e7) SHA1(795829a2025e24d87a413e245d72a284f872e0db), ROM_BIOS(1)) -ROM_END - -/* Driver */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1977, mk14, 0, 0, mk14, mk14, mk14_state, empty_init, "Science of Cambridge", "MK-14", 0 ) |