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Diffstat (limited to 'src/mess/drivers/elf.c')
-rw-r--r--src/mess/drivers/elf.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/src/mess/drivers/elf.c b/src/mess/drivers/elf.c
deleted file mode 100644
index 5fdfc47035b..00000000000
--- a/src/mess/drivers/elf.c
+++ /dev/null
@@ -1,288 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/***************************************************************************
-
- Netronics Elf II
-
-****************************************************************************/
-
-/*
-
- TODO:
-
- - proper layout
-
-*/
-
-#include "includes/elf.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 */
-
-READ8_MEMBER( elf2_state::dispon_r )
-{
- m_vdc->disp_on_w(1);
- m_vdc->disp_on_w(0);
-
- return 0xff;
-}
-
-READ8_MEMBER( elf2_state::data_r )
-{
- return m_data;
-}
-
-WRITE8_MEMBER( elf2_state::data_w )
-{
- m_led_l->a_w(data & 0x0f);
- m_led_h->a_w(data >> 4);
-}
-
-WRITE8_MEMBER( elf2_state::memory_w )
-{
- 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 */
-
-static ADDRESS_MAP_START( elf2_mem, AS_PROGRAM, 8, elf2_state )
- ADDRESS_MAP_UNMAP_HIGH
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x0000, 0x00ff) AM_RAMBANK("bank1")
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( elf2_io, AS_IO, 8, elf2_state )
- ADDRESS_MAP_UNMAP_HIGH
- AM_RANGE(0x01, 0x01) AM_READ(dispon_r)
- AM_RANGE(0x04, 0x04) AM_READWRITE(data_r, data_w)
-ADDRESS_MAP_END
-
-/* 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 )
-{
- output_set_led_value(0, state);
-}
-
-READ8_MEMBER( elf2_state::dma_r )
-{
- return m_data;
-}
-
-WRITE8_MEMBER( elf2_state::sc_w )
-{
- 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);
-
- /* initialize LED displays */
- 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, write8_delegate(FUNC(elf2_state::memory_w), this));
- 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, elf )
-{
- int size = image.length();
-
- if (size > m_ram->size())
- {
- return IMAGE_INIT_FAIL;
- }
-
- image.fread(m_ram->pointer(), size);
-
- return IMAGE_INIT_PASS;
-}
-
-static MACHINE_CONFIG_START( elf2, elf2_state )
- /* basic machine hardware */
- MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_3_579545MHz/2)
- MCFG_CPU_PROGRAM_MAP(elf2_mem)
- MCFG_CPU_IO_MAP(elf2_io)
- MCFG_COSMAC_WAIT_CALLBACK(READLINE(elf2_state, wait_r))
- MCFG_COSMAC_CLEAR_CALLBACK(READLINE(elf2_state, clear_r))
- MCFG_COSMAC_EF4_CALLBACK(READLINE(elf2_state, ef4_r))
- MCFG_COSMAC_Q_CALLBACK(WRITELINE(elf2_state, q_w))
- MCFG_COSMAC_DMAR_CALLBACK(READ8(elf2_state, dma_r))
- MCFG_COSMAC_DMAW_CALLBACK(DEVWRITE8(CDP1861_TAG, cdp1861_device, dma_w))
- MCFG_COSMAC_SC_CALLBACK(WRITE8(elf2_state, sc_w))
-
- /* video hardware */
- MCFG_DEFAULT_LAYOUT(layout_elf2)
-
- MCFG_DEVICE_ADD(CDP1861_TAG, CDP1861, XTAL_3_579545MHz/2)
- MCFG_CDP1861_IRQ_CALLBACK(INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_INT))
- MCFG_CDP1861_DMA_OUT_CALLBACK(INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_DMAOUT))
- MCFG_CDP1861_EFX_CALLBACK(INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_EF1))
- MCFG_CDP1861_SCREEN_ADD(CDP1861_TAG, SCREEN_TAG, XTAL_3_579545MHz/2)
-
- /* devices */
- MCFG_DEVICE_ADD(MM74C923_TAG, MM74C923, 0)
- MCFG_MM74C922_OSC(CAP_U(0.15))
- MCFG_MM74C922_DEBOUNCE(CAP_U(1))
- MCFG_MM74C922_DA_CALLBACK(WRITELINE(elf2_state, da_w))
- MCFG_MM74C922_X1_CALLBACK(IOPORT("X1"))
- MCFG_MM74C922_X2_CALLBACK(IOPORT("X2"))
- MCFG_MM74C922_X3_CALLBACK(IOPORT("X3"))
- MCFG_MM74C922_X4_CALLBACK(IOPORT("X4"))
-
- MCFG_DEVICE_ADD(DM9368_H_TAG, DM9368, 0)
- MCFG_OUTPUT_NAME("digit0")
- MCFG_DEVICE_ADD(DM9368_L_TAG, DM9368, 0)
- MCFG_OUTPUT_NAME("digit1")
-
- MCFG_CASSETTE_ADD("cassette")
- MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED)
-
- MCFG_QUICKLOAD_ADD("quickload", elf2_state, elf, "bin", 0)
-
- /* internal ram */
- MCFG_RAM_ADD(RAM_TAG)
- MCFG_RAM_DEFAULT_SIZE("256")
-MACHINE_CONFIG_END
-
-/* ROMs */
-
-ROM_START( elf2 )
- ROM_REGION( 0x10000, CDP1802_TAG, ROMREGION_ERASE00 )
-ROM_END
-
-/* System Drivers */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1978, elf2, 0, 0, elf2, elf2, driver_device, 0, "Netronics", "Elf II", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND)