diff options
author | 2015-09-30 17:21:14 +0200 | |
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committer | 2015-09-30 17:21:14 +0200 | |
commit | 1fc48ce120a376c288daeeed98daccecf1b60d7b (patch) | |
tree | 72cefcede17f3a27fa8256b43bfac9756db82312 /src/mess/drivers/mc1000.c | |
parent | 87a576c55501bd7125b51ca786a010229669df0e (diff) |
move mess into mame (nw)
Diffstat (limited to 'src/mess/drivers/mc1000.c')
-rw-r--r-- | src/mess/drivers/mc1000.c | 502 |
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 ) |