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author Miodrag Milanovic <mmicko@gmail.com>2015-09-30 17:21:14 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2015-09-30 17:21:14 +0200
commit1fc48ce120a376c288daeeed98daccecf1b60d7b (patch)
tree72cefcede17f3a27fa8256b43bfac9756db82312 /src/mess/drivers/mc1000.c
parent87a576c55501bd7125b51ca786a010229669df0e (diff)
move mess into mame (nw)
Diffstat (limited to 'src/mess/drivers/mc1000.c')
-rw-r--r--src/mess/drivers/mc1000.c502
1 files changed, 0 insertions, 502 deletions
diff --git a/src/mess/drivers/mc1000.c b/src/mess/drivers/mc1000.c
deleted file mode 100644
index defef2a94c0..00000000000
--- a/src/mess/drivers/mc1000.c
+++ /dev/null
@@ -1,502 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/***************************************************************************
-
- MC 1000
-
- 12/05/2009 Skeleton driver.
-
- http://ensjo.wikispaces.com/MC-1000+on+JEMU
- http://ensjo.blogspot.com/2006/11/color-artifacting-no-mc-1000.html
-
-****************************************************************************/
-
-/*
-
- TODO:
-
- - xtal frequency?
- - Z80 wait at 0x0000-0x1fff when !hsync & !vsync
- - 80-column card (MC6845) character generator ROM
- - Charlemagne / GEM-1000 / Junior Computer ROMs
-
-*/
-
-#include "includes/mc1000.h"
-
-/* Memory Banking */
-
-void mc1000_state::bankswitch()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- /* MC6845 video RAM */
- membank("bank2")->set_entry(m_mc6845_bank);
-
- /* extended RAM */
- if (m_ram->size() > 16*1024)
- {
- program.install_readwrite_bank(0x4000, 0x7fff, "bank3");
- }
- else
- {
- program.unmap_readwrite(0x4000, 0x7fff);
- }
-
- /* MC6847 video RAM */
- if (m_mc6847_bank)
- {
- if (m_ram->size() > 16*1024)
- {
- program.install_readwrite_bank(0x8000, 0x97ff, "bank4");
- }
- else
- {
- program.unmap_readwrite(0x8000, 0x97ff);
- }
- }
- else
- {
- program.install_readwrite_bank(0x8000, 0x97ff, "bank4");
- }
-
- membank("bank4")->set_entry(m_mc6847_bank);
-
- /* extended RAM */
- if (m_ram->size() > 16*1024)
- {
- program.install_readwrite_bank(0x9800, 0xbfff, "bank5");
- }
- else
- {
- program.unmap_readwrite(0x9800, 0xbfff);
- }
-}
-
-/* Read/Write Handlers */
-
-WRITE_LINE_MEMBER( mc1000_state::write_centronics_busy )
-{
- m_centronics_busy = state;
-}
-
-READ8_MEMBER( mc1000_state::printer_r )
-{
- return m_centronics_busy;
-}
-
-WRITE8_MEMBER( mc1000_state::printer_w )
-{
- m_centronics->write_strobe(BIT(data, 0));
-}
-
-WRITE8_MEMBER( mc1000_state::mc6845_ctrl_w )
-{
- m_mc6845_bank = BIT(data, 0);
-
- bankswitch();
-}
-
-WRITE8_MEMBER( mc1000_state::mc6847_attr_w )
-{
- /*
-
- bit description
-
- 0 enable CPU video RAM access
- 1 CSS
- 2 GM0
- 3 GM1
- 4 GM2
- 5 _INT/EXT
- 6 _A/S
- 7 _A/G
-
- */
-
- m_mc6847_bank = BIT(data, 0);
- m_vdg->css_w(BIT(data, 1));
- m_vdg->gm0_w(BIT(data, 2));
- m_vdg->gm1_w(BIT(data, 3));
- m_vdg->gm2_w(BIT(data, 4));
- m_vdg->intext_w(BIT(data, 5));
- m_vdg->as_w(BIT(data, 6));
- m_vdg->ag_w(BIT(data, 7));
-
- bankswitch();
-}
-
-/* Memory Maps */
-
-static ADDRESS_MAP_START( mc1000_mem, AS_PROGRAM, 8, mc1000_state )
- AM_RANGE(0x0000, 0x1fff) AM_RAMBANK("bank1")
- AM_RANGE(0x2000, 0x27ff) AM_RAMBANK("bank2") AM_SHARE("mc6845_vram")
- AM_RANGE(0x2800, 0x3fff) AM_RAM
- AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("bank3")
- AM_RANGE(0x8000, 0x97ff) AM_RAMBANK("bank4") AM_SHARE("mc6847_vram")
- AM_RANGE(0x9800, 0xbfff) AM_RAMBANK("bank5")
- AM_RANGE(0xc000, 0xffff) AM_ROM
-ADDRESS_MAP_END
-
-static ADDRESS_MAP_START( mc1000_io, AS_IO, 8, mc1000_state )
- ADDRESS_MAP_GLOBAL_MASK(0xff)
- AM_RANGE(0x04, 0x04) AM_READWRITE(printer_r, printer_w)
- AM_RANGE(0x05, 0x05) AM_DEVWRITE("cent_data_out", output_latch_device, write)
-// AM_RANGE(0x10, 0x10) AM_DEVWRITE(MC6845_TAG, mc6845_device, address_w)
-// AM_RANGE(0x11, 0x11) AM_DEVREADWRITE(MC6845_TAG, mc6845_device, register_r, register_w)
- AM_RANGE(0x12, 0x12) AM_WRITE(mc6845_ctrl_w)
- AM_RANGE(0x20, 0x20) AM_DEVWRITE(AY8910_TAG, ay8910_device, address_w)
- AM_RANGE(0x40, 0x40) AM_DEVREAD(AY8910_TAG, ay8910_device, data_r)
- AM_RANGE(0x60, 0x60) AM_DEVWRITE(AY8910_TAG, ay8910_device, data_w)
- AM_RANGE(0x80, 0x80) AM_WRITE(mc6847_attr_w)
-ADDRESS_MAP_END
-
-/* Input Ports */
-
-static INPUT_PORTS_START( mc1000 )
- PORT_START("JOYA") /* Player 1 */
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) /* = 'I' */
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) /* = 'Q' */
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) /* = 'Y' */
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) /* = '1' */
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) /* = '9' */
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("JOYB") /* Player 2 */
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) /* = '@' */
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) /* = 'H' */
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) /* = 'P' */
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) /* = 'X' */
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) /* = '0' */
- PORT_BIT( 0xe0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y0")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y1")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y2")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y3")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y4")
- 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_L) PORT_CHAR('L')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y5")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RUBOUT") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y6")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('^')
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("Y7")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G')
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O')
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W')
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RESET")
- PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
- PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
- PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
-
- PORT_START("MODIFIERS")
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
-
- PORT_START("JOYAKEYMAP")
- PORT_CONFNAME( 0x01, 0x00, "JOYSTICK A (P1) keyboard mapping" )
- PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
- PORT_CONFSETTING( 0x01, DEF_STR( On ) )
-
- PORT_START("JOYBKEYMAP")
- PORT_CONFNAME( 0x01, 0x00, "JOYSTICK B (P2) keyboard mapping" )
- PORT_CONFSETTING( 0x00, DEF_STR( Off ) )
- PORT_CONFSETTING( 0x01, DEF_STR( On ) )
-INPUT_PORTS_END
-
-/* Video */
-
-WRITE_LINE_MEMBER( mc1000_state::fs_w )
-{
- m_vsync = state;
-}
-
-WRITE_LINE_MEMBER( mc1000_state::hs_w )
-{
- m_hsync = state;
-}
-
-READ8_MEMBER( mc1000_state::videoram_r )
-{
- if (offset == ~0) return 0xff;
-
- m_vdg->inv_w(BIT(m_mc6847_video_ram[offset], 7));
-
- return m_mc6847_video_ram[offset];
-}
-
-/* AY-3-8910 Interface */
-
-WRITE8_MEMBER( mc1000_state::keylatch_w )
-{
- m_keylatch = data;
-
- m_cassette->output(BIT(data, 7) ? -1.0 : +1.0);
-}
-
-READ8_MEMBER( mc1000_state::keydata_r )
-{
- UINT8 data = 0xff;
-
- if (!BIT(m_keylatch, 0))
- {
- data &= m_y0->read();
- if (m_joybkeymap->read()) data &= m_joyb->read();
- }
- if (!BIT(m_keylatch, 1))
- {
- data &= m_y1->read();
- if (m_joyakeymap->read()) data &= m_joya->read();
- }
- if (!BIT(m_keylatch, 2)) data &= m_y2->read();
- if (!BIT(m_keylatch, 3)) data &= m_y3->read();
- if (!BIT(m_keylatch, 4)) data &= m_y4->read();
- if (!BIT(m_keylatch, 5)) data &= m_y5->read();
- if (!BIT(m_keylatch, 6)) data &= m_y6->read();
- if (!BIT(m_keylatch, 7)) data &= m_y7->read();
-
- data = (m_modifiers->read() & 0xc0) | (data & 0x3f);
-
- if ((m_cassette->get_state() & CASSETTE_MASK_UISTATE) == CASSETTE_PLAY)
- {
- if (m_cassette->input() >= +0.0) data &= 0x7f;
- }
-
- return data;
-}
-
-/* Machine Initialization */
-
-void mc1000_state::machine_start()
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- /* setup memory banking */
- UINT8 *rom = m_rom->base();
-
- program.install_readwrite_bank(0x0000, 0x1fff, "bank1");
- membank("bank1")->configure_entry(0, rom);
- membank("bank1")->configure_entry(1, rom + 0xc000);
- membank("bank1")->set_entry(1);
-
- m_rom0000 = 1;
-
- program.install_readwrite_bank(0x2000, 0x27ff, "bank2");
- membank("bank2")->configure_entry(0, rom + 0x2000);
- membank("bank2")->configure_entry(1, m_mc6845_video_ram);
- membank("bank2")->set_entry(0);
-
- membank("bank3")->configure_entry(0, rom + 0x4000);
- membank("bank3")->set_entry(0);
-
- membank("bank4")->configure_entry(0, m_mc6847_video_ram);
- membank("bank4")->configure_entry(1, rom + 0x8000);
- membank("bank4")->set_entry(0);
-
- membank("bank5")->configure_entry(0, rom + 0x9800);
- membank("bank5")->set_entry(0);
-
- bankswitch();
-
- /* register for state saving */
- save_item(NAME(m_rom0000));
- save_item(NAME(m_mc6845_bank));
- save_item(NAME(m_mc6847_bank));
- save_item(NAME(m_keylatch));
- save_item(NAME(m_hsync));
- save_item(NAME(m_vsync));
-}
-
-void mc1000_state::machine_reset()
-{
- membank("bank1")->set_entry(1);
-
- m_rom0000 = 1;
-}
-
-/* Machine Driver */
-
-/*
-
- Interrupt generator:
- NE555 chip in astable circuit.
-
- +---------*---*---o V+
- | | |
- +-+ | |
- | |390K | |
- | |R17 |8 |4
- +-+ +-------+
- | 7| |3
- *-------| |-------> /INT (Z80)
- | | |
- | | |
- +-+R16 2| IC 28 |
- | |1K +--| |
- | | | | 555 |
- +-+ | | |
- | | 6| |5
- *----*--| |---+
- | | | |
- ---C30 +-------+ ---C29
- ---10n |1 ---10n
- _|_ _|_ _|_
- /// /// ///
-
- Calculated properties:
-
- * 99.74489795918367 Duty Cycle Percentage
- * 367.3469387755102 Frequency in Hertz
- * 0.00000693 Seconds Low
- * 0.00270963 Seconds High
-
- */
-
-#define MC1000_NE555_FREQ (367) /* Hz */
-#define MC1000_NE555_DUTY_CYCLE (99.745) /* % */
-
-TIMER_DEVICE_CALLBACK_MEMBER(mc1000_state::ne555_tick)
-{
- // (m_ne555_int not needed anymore and can be done with?)
- m_ne555_int = param;
-
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, param);
-}
-
-static MACHINE_CONFIG_START( mc1000, mc1000_state )
-
- /* basic machine hardware */
- MCFG_CPU_ADD(Z80_TAG, Z80, 3579545)
- MCFG_CPU_PROGRAM_MAP(mc1000_mem)
- MCFG_CPU_IO_MAP(mc1000_io)
-
- /* timers */
- MCFG_TIMER_DRIVER_ADD_PERIODIC("ne555clear", mc1000_state, ne555_tick, attotime::from_hz(MC1000_NE555_FREQ))
- MCFG_TIMER_PARAM(CLEAR_LINE)
-
- MCFG_TIMER_DRIVER_ADD_PERIODIC("ne555assert", mc1000_state, ne555_tick, attotime::from_hz(MC1000_NE555_FREQ))
- MCFG_TIMER_START_DELAY(attotime::from_hz(MC1000_NE555_FREQ * 100 / MC1000_NE555_DUTY_CYCLE))
- MCFG_TIMER_PARAM(ASSERT_LINE)
-
- /* video hardware */
- MCFG_SCREEN_MC6847_PAL_ADD(SCREEN_TAG, MC6847_TAG)
-
- MCFG_DEVICE_ADD(MC6847_TAG, MC6847_NTSC, XTAL_3_579545MHz)
- MCFG_MC6847_HSYNC_CALLBACK(WRITELINE(mc1000_state, hs_w))
- MCFG_MC6847_FSYNC_CALLBACK(WRITELINE(mc1000_state, fs_w))
- MCFG_MC6847_INPUT_CALLBACK(READ8(mc1000_state, videoram_r))
-
- /* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
- MCFG_SOUND_ADD(AY8910_TAG, AY8910, 3579545/2)
- MCFG_AY8910_OUTPUT_TYPE(AY8910_SINGLE_OUTPUT)
- MCFG_AY8910_RES_LOADS(RES_K(2.2), 0, 0)
- MCFG_AY8910_PORT_B_READ_CB(READ8(mc1000_state, keydata_r))
- MCFG_AY8910_PORT_A_WRITE_CB(WRITE8(mc1000_state, keylatch_w))
- MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
-
- /* devices */
- MCFG_CASSETTE_ADD("cassette")
- MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED)
-
- MCFG_SOFTWARE_LIST_ADD("cass_list", "mc1000_cass")
-
- MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_devices, "printer")
- MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(mc1000_state, write_centronics_busy))
-
- MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", CENTRONICS_TAG)
-
- /* internal ram */
- MCFG_RAM_ADD(RAM_TAG)
- MCFG_RAM_DEFAULT_SIZE("16K")
- MCFG_RAM_EXTRA_OPTIONS("48K")
-MACHINE_CONFIG_END
-
-/* ROMs */
-
-ROM_START( mc1000 )
- ROM_REGION( 0x10000, Z80_TAG, 0 )
- ROM_LOAD( "mc1000.ic17", 0xc000, 0x2000, CRC(8e78d80d) SHA1(9480270e67a5db2e7de8bc5c8b9e0bb210d4142b) )
- ROM_LOAD( "mc1000.ic12", 0xe000, 0x2000, CRC(750c95f0) SHA1(fd766f5ea4481ef7fd4df92cf7d8397cc2b5a6c4) )
-ROM_END
-
-
-/* Driver Initialization */
-
-DIRECT_UPDATE_MEMBER(mc1000_state::mc1000_direct_update_handler)
-{
- if (m_rom0000)
- {
- if (address >= 0xc000)
- {
- membank("bank1")->set_entry(0);
- m_rom0000 = 0;
- }
- }
-
- return address;
-}
-
-DRIVER_INIT_MEMBER(mc1000_state,mc1000)
-{
- m_maincpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(mc1000_state::mc1000_direct_update_handler), this));
-}
-
-/* System Drivers */
-
-/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
-COMP( 1985, mc1000, 0, 0, mc1000, mc1000, mc1000_state, mc1000, "CCE", "MC-1000", MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )