// license:BSD-3-Clause // copyright-holders:Curt Coder /* Telmac 2000E ------------ (c) 1980 Telercas Oy, Finland CPU: CDP1802A 1.75 MHz RAM: 8 KB ROM: 8 KB Video: CDP1864 1.75 MHz Color RAM: 1 KB Colors: 8 fg, 4 bg Resolution: 64x192 Sound: frequency control, volume on/off Keyboard: ASCII (RCA VP-601/VP-611), KB-16/KB-64 SBASIC: 24.0 Telmac TMC-121/111/112 ---------------------- (c) 198? Telercas Oy, Finland CPU: CDP1802A ? MHz Built from Telmac 2000 series cards. Huge metal box. */ #include "includes/tmc2000e.h" /* Read/Write Handlers */ READ8_MEMBER( tmc2000e_state::vismac_r ) { return 0; } WRITE8_MEMBER( tmc2000e_state::vismac_w ) { } READ8_MEMBER( tmc2000e_state::floppy_r ) { return 0; } WRITE8_MEMBER( tmc2000e_state::floppy_w ) { } READ8_MEMBER( tmc2000e_state::ascii_keyboard_r ) { return 0; } READ8_MEMBER( tmc2000e_state::io_r ) { return 0; } WRITE8_MEMBER( tmc2000e_state::io_w ) { } WRITE8_MEMBER( tmc2000e_state::io_select_w ) { } WRITE8_MEMBER( tmc2000e_state::keyboard_latch_w ) { m_keylatch = data; } /* Memory Maps */ static ADDRESS_MAP_START( tmc2000e_map, AS_PROGRAM, 8, tmc2000e_state ) AM_RANGE(0x0000, 0x1fff) AM_RAM AM_RANGE(0xc000, 0xdfff) AM_ROM AM_RANGE(0xfc00, 0xffff) AM_WRITEONLY AM_SHARE("colorram") ADDRESS_MAP_END static ADDRESS_MAP_START( tmc2000e_io_map, AS_IO, 8, tmc2000e_state ) AM_RANGE(0x01, 0x01) AM_DEVWRITE(CDP1864_TAG, cdp1864_device, tone_latch_w) AM_RANGE(0x02, 0x02) AM_DEVWRITE(CDP1864_TAG, cdp1864_device, step_bgcolor_w) AM_RANGE(0x03, 0x03) AM_READWRITE(ascii_keyboard_r, keyboard_latch_w) AM_RANGE(0x04, 0x04) AM_READWRITE(io_r, io_w) AM_RANGE(0x05, 0x05) AM_READWRITE(vismac_r, vismac_w) AM_RANGE(0x06, 0x06) AM_READWRITE(floppy_r, floppy_w) AM_RANGE(0x07, 0x07) AM_READ_PORT("DSW0") AM_WRITE(io_select_w) ADDRESS_MAP_END /* Input Ports */ static INPUT_PORTS_START( tmc2000e ) PORT_START("Y0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y5") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y6") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("Y7") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_START("DSW0") // System Configuration DIPs PORT_DIPNAME( 0x80, 0x00, "Keyboard Type" ) PORT_DIPSETTING( 0x00, "ASCII" ) PORT_DIPSETTING( 0x80, "Matrix" ) PORT_DIPNAME( 0x40, 0x00, "Operating System" ) PORT_DIPSETTING( 0x00, "TOOL-2000-E" ) PORT_DIPSETTING( 0x40, "Load from disk" ) PORT_DIPNAME( 0x30, 0x00, "Display Interface" ) PORT_DIPSETTING( 0x00, "PAL" ) PORT_DIPSETTING( 0x10, "CDG-80" ) PORT_DIPSETTING( 0x20, "VISMAC" ) PORT_DIPSETTING( 0x30, "UART" ) PORT_BIT( 0x0f, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_START("RUN") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Run/Reset") PORT_CODE(KEYCODE_R) PORT_TOGGLE INPUT_PORTS_END /* Video */ READ_LINE_MEMBER( tmc2000e_state::rdata_r ) { return BIT(m_color, 2); } READ_LINE_MEMBER( tmc2000e_state::bdata_r ) { return BIT(m_color, 1); } READ_LINE_MEMBER( tmc2000e_state::gdata_r ) { return BIT(m_color, 0); } /* CDP1802 Interface */ READ_LINE_MEMBER( tmc2000e_state::clear_r ) { return BIT(m_run->read(), 0); } READ_LINE_MEMBER( tmc2000e_state::ef2_r ) { return m_cassette->input() < 0; } READ_LINE_MEMBER( tmc2000e_state::ef3_r ) { UINT8 data = ~(m_key_row[m_keylatch / 8])->read(); return BIT(data, m_keylatch % 8); } WRITE_LINE_MEMBER( tmc2000e_state::q_w ) { // turn CDP1864 sound generator on/off m_cti->aoe_w(state); // set Q led status set_led_status(machine(), 1, state); // tape out m_cassette->output(state ? -1.0 : +1.0); // floppy control (FDC-6) } WRITE8_MEMBER( tmc2000e_state::dma_w ) { m_color = (m_colorram[offset & 0x3ff]) & 0x07; // 0x04 = R, 0x02 = B, 0x01 = G m_cti->con_w(0); // HACK m_cti->dma_w(space, offset, data); } /* Machine Initialization */ void tmc2000e_state::machine_start() { // find keyboard rows m_key_row[0] = m_y0; m_key_row[1] = m_y1; m_key_row[2] = m_y2; m_key_row[3] = m_y3; m_key_row[4] = m_y4; m_key_row[5] = m_y5; m_key_row[6] = m_y6; m_key_row[7] = m_y7; /* register for state saving */ save_item(NAME(m_cdp1864_efx)); save_item(NAME(m_keylatch)); } void tmc2000e_state::machine_reset() { m_cti->reset(); // reset program counter to 0xc000 } /* Machine Drivers */ static MACHINE_CONFIG_START( tmc2000e, tmc2000e_state ) // basic system hardware MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_1_75MHz) MCFG_CPU_PROGRAM_MAP(tmc2000e_map) MCFG_CPU_IO_MAP(tmc2000e_io_map) MCFG_COSMAC_WAIT_CALLBACK(VCC) MCFG_COSMAC_CLEAR_CALLBACK(READLINE(tmc2000e_state, clear_r)) MCFG_COSMAC_EF2_CALLBACK(READLINE(tmc2000e_state, ef2_r)) MCFG_COSMAC_EF3_CALLBACK(READLINE(tmc2000e_state, ef3_r)) MCFG_COSMAC_Q_CALLBACK(WRITELINE(tmc2000e_state, q_w)) MCFG_COSMAC_DMAW_CALLBACK(WRITE8(tmc2000e_state, dma_w)) // video hardware MCFG_CDP1864_SCREEN_ADD(SCREEN_TAG, XTAL_1_75MHz) MCFG_SCREEN_UPDATE_DEVICE(CDP1864_TAG, cdp1864_device, screen_update) // sound hardware MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_CDP1864_ADD(CDP1864_TAG, SCREEN_TAG, XTAL_1_75MHz, GND, INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_INT), INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_DMAOUT), INPUTLINE(CDP1802_TAG, COSMAC_INPUT_LINE_EF1), NULL, READLINE(tmc2000e_state, rdata_r), READLINE(tmc2000e_state, bdata_r), READLINE(tmc2000e_state, gdata_r)) MCFG_CDP1864_CHROMINANCE(RES_K(2.2), RES_K(1), RES_K(5.1), RES_K(4.7)) // unverified MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) /* devices */ MCFG_CASSETTE_ADD("cassette") MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("8K") MCFG_RAM_EXTRA_OPTIONS("40K") MACHINE_CONFIG_END /* ROMs */ ROM_START( tmc2000e ) ROM_REGION( 0x10000, CDP1802_TAG, 0 ) ROM_LOAD( "1", 0xc000, 0x0800, NO_DUMP ) ROM_LOAD( "2", 0xc800, 0x0800, NO_DUMP ) ROM_LOAD( "3", 0xd000, 0x0800, NO_DUMP ) ROM_LOAD( "4", 0xd800, 0x0800, NO_DUMP ) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME COMP( 1980, tmc2000e, 0, 0, tmc2000e, tmc2000e, driver_device, 0, "Telercas Oy", "Telmac 2000E", GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )