diff options
Diffstat (limited to 'src/mame/drivers/elf.cpp')
-rw-r--r-- | src/mame/drivers/elf.cpp | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/src/mame/drivers/elf.cpp b/src/mame/drivers/elf.cpp deleted file mode 100644 index 217a754324c..00000000000 --- a/src/mame/drivers/elf.cpp +++ /dev/null @@ -1,297 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Curt Coder -/*************************************************************************** - - Netronics Elf II - -****************************************************************************/ - -/* - - TODO: - - - proper layout - -*/ - -#include "emu.h" -#include "includes/elf.h" -#include "screen.h" -#include "speaker.h" -#include "elf2.lh" - -#define RUN \ - BIT(m_special->read(), 0) - -#define LOAD \ - BIT(m_special->read(), 1) - -#define MEMORY_PROTECT \ - BIT(m_special->read(), 2) - -#define INPUT \ - BIT(m_special->read(), 3) - -/* Read/Write Handlers */ - -uint8_t elf2_state::dispon_r() -{ - m_vdc->disp_on_w(1); - m_vdc->disp_on_w(0); - - return 0xff; -} - -uint8_t elf2_state::data_r() -{ - return m_data; -} - -void elf2_state::data_w(uint8_t data) -{ - m_led_l->a_w(data & 0x0f); - m_led_h->a_w(data >> 4); -} - -void elf2_state::memory_w(offs_t offset, uint8_t data) -{ - if (LOAD) - { - if (MEMORY_PROTECT) - { - /* latch data from memory */ - data = m_ram->pointer()[offset]; - } - else - { - /* write latched data to memory */ - m_ram->pointer()[offset] = data; - } - - /* write data to 7 segment displays */ - m_led_l->a_w(data & 0x0f); - m_led_h->a_w(data >> 4); - } -} - -/* Memory Maps */ - -void elf2_state::elf2_mem(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x0000, 0x00ff).bankrw("bank1"); -} - -void elf2_state::elf2_io(address_map &map) -{ - map.unmap_value_high(); - map(0x01, 0x01).r(FUNC(elf2_state::dispon_r)); - map(0x04, 0x04).rw(FUNC(elf2_state::data_r), FUNC(elf2_state::data_w)); -} - -/* Input Ports */ - -INPUT_CHANGED_MEMBER( elf2_state::input_w ) -{ - if (newval) - { - /* assert DMAIN */ - m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, ASSERT_LINE); - } -} - -static INPUT_PORTS_START( elf2 ) - PORT_START("X1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("X2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') - 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_9) PORT_CHAR('9') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("X3") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("X4") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') - 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_F) PORT_CHAR('F') - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("SPECIAL") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RUN") PORT_CODE(KEYCODE_R) PORT_TOGGLE - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LOAD") PORT_CODE(KEYCODE_L) PORT_TOGGLE - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M/P") PORT_CODE(KEYCODE_M) PORT_TOGGLE - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("INPUT") PORT_CODE(KEYCODE_ENTER) PORT_CHANGED_MEMBER(DEVICE_SELF, elf2_state, input_w, 0) -INPUT_PORTS_END - -/* CDP1802 Configuration */ - -READ_LINE_MEMBER( elf2_state::wait_r ) -{ - return LOAD; -} - -READ_LINE_MEMBER( elf2_state::clear_r ) -{ - return RUN; -} - -READ_LINE_MEMBER( elf2_state::ef4_r ) -{ - return INPUT; -} - -WRITE_LINE_MEMBER( elf2_state::q_w ) -{ - m_led = state ? 1 : 0; -} - -uint8_t elf2_state::dma_r() -{ - return m_data; -} - -void elf2_state::sc_w(uint8_t data) -{ - switch (data) - { - case COSMAC_STATE_CODE_S2_DMA: - case COSMAC_STATE_CODE_S3_INTERRUPT: - /* clear DMAIN */ - m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, CLEAR_LINE); - break; - - default: - break; - } -} - -/* MM74C923 Interface */ - -WRITE_LINE_MEMBER( elf2_state::da_w ) -{ - if (state) - { - /* shift keyboard data to latch */ - m_data <<= 4; - m_data |= m_kb->read() & 0x0f; - - if (LOAD) - { - /* write data to 7 segment displays */ - m_led_l->a_w(m_data & 0x0f); - m_led_h->a_w(m_data >> 4); - } - } -} - -/* Machine Initialization */ - -void elf2_state::machine_start() -{ - address_space &program = m_maincpu->space(AS_PROGRAM); - - m_led.resolve(); - - /* initialize LED displays */ - m_7segs.resolve(); - m_led_l->rbi_w(1); - m_led_h->rbi_w(1); - - /* setup memory banking */ - program.install_read_bank(0x0000, 0x00ff, "bank1"); - program.install_write_handler(0x0000, 0x00ff, write8sm_delegate(*this, FUNC(elf2_state::memory_w))); - membank("bank1")->configure_entry(0, m_ram->pointer()); - membank("bank1")->set_entry(0); - - /* register for state saving */ - save_item(NAME(m_data)); -} - -/* Machine Driver */ - -QUICKLOAD_LOAD_MEMBER(elf2_state::quickload_cb) -{ - int size = image.length(); - - if (size > m_ram->size()) - { - return image_init_result::FAIL; - } - - image.fread(m_ram->pointer(), size); - - return image_init_result::PASS; -} - -void elf2_state::elf2(machine_config &config) -{ - /* basic machine hardware */ - CDP1802(config, m_maincpu, XTAL(3'579'545)/2); - m_maincpu->set_addrmap(AS_PROGRAM, &elf2_state::elf2_mem); - m_maincpu->set_addrmap(AS_IO, &elf2_state::elf2_io); - m_maincpu->wait_cb().set(FUNC(elf2_state::wait_r)); - m_maincpu->clear_cb().set(FUNC(elf2_state::clear_r)); - m_maincpu->ef4_cb().set(FUNC(elf2_state::ef4_r)); - m_maincpu->q_cb().set(FUNC(elf2_state::q_w)); - m_maincpu->dma_rd_cb().set(FUNC(elf2_state::dma_r)); - m_maincpu->dma_wr_cb().set(m_vdc, FUNC(cdp1861_device::dma_w)); - m_maincpu->sc_cb().set(FUNC(elf2_state::sc_w)); - - /* video hardware */ - config.set_default_layout(layout_elf2); - - CDP1861(config, m_vdc, XTAL(3'579'545)/2).set_screen(SCREEN_TAG); - m_vdc->int_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_INT); - m_vdc->dma_out_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_DMAOUT); - m_vdc->efx_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_EF1); - SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER); - - /* devices */ - MM74C923(config, m_kb, 0); - m_kb->set_cap_osc(CAP_U(0.15)); - m_kb->set_cap_debounce(CAP_U(1)); - m_kb->da_wr_callback().set(FUNC(elf2_state::da_w)); - m_kb->x1_rd_callback().set_ioport("X1"); - m_kb->x2_rd_callback().set_ioport("X2"); - m_kb->x3_rd_callback().set_ioport("X3"); - m_kb->x4_rd_callback().set_ioport("X4"); - - DM9368(config, m_led_h, 0).update_cb().set(FUNC(elf2_state::digit_w<0>)); - DM9368(config, m_led_l, 0).update_cb().set(FUNC(elf2_state::digit_w<1>)); - - SPEAKER(config, "mono").front_center(); - - CASSETTE(config, m_cassette); - m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED); - m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); - - QUICKLOAD(config, "quickload", "bin").set_load_callback(FUNC(elf2_state::quickload_cb)); - - /* internal ram */ - RAM(config, RAM_TAG).set_default_size("256"); -} - -/* ROMs */ - -ROM_START( elf2 ) - ROM_REGION( 0x10000, CDP1802_TAG, ROMREGION_ERASE00 ) -ROM_END - -/* System Drivers */ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1978, elf2, 0, 0, elf2, elf2, elf2_state, empty_init, "Netronics", "Elf II", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND) |