// license:BSD-3-Clause // copyright-holders:Curt Coder /* Telmac 2000 PCB Layout ---------- |-----------------------------------------------------------| | | | | 4051 4042 2114 2114 | | CN1 | | | 4051 4042 2114 2114 | | | | 4011 4013 |--------| 2114 2114 | | | 4515 | | | 4013 |--------| 2114 2114 | | 4042 | | 4011 2114 2114 | | 4011 | | 4011 2114 2114 | |SW1 | | 4011 |--------| 2114 2114 | | | PROM | | | 40107 |--------| 2114 2114 | | 4050 1.75MHz | | |-------------| 2114 2114 | | | CDP1802 | | | |-------------| 2114 2114 | | 4049 | | |-------------| 2114 2114 | | 4.43MHz | CDP1864 | | | |-------------| 2114 2114 | | | | 741 4502 2114 2114 | | - | | | 2114 2114 2114 | | CN2 | | | 4001 4051 2114 2114 | | - | | 2114 2114 | |-----------------------------------------------------------| Notes: All IC's shown. PROM - MMI6341 2114 - 2114 4096 Bit (1024x4) NMOS Static RAM CDP1802 - RCA CDP1802 CMOS 8-Bit Microprocessor @ 1.75 MHz CDP1864 - RCA CDP1864CE COS/MOS PAL Compatible Color TV Interface @ 1.75 MHz CN1 - keyboard connector CN2 - ASTEC RF modulator connector SW1 - Run/Reset switch */ /* OSCOM Nano PCB Layout ---------- OK 30379 |-------------------------------------------------| | CN1 CN2 CN3 7805 | | 1.75MHz | | 741 | | |-------------| - | | 741 741 4011 | CDP1864 | | | | |-------------| | | | 4013 |-------------| | | | | CDP1802 | | | | 4093 |-------------| | | | C | | 4051 4042 4017 4042 N | | |-------| 4 | | | ROM | 14556 | | | |-------| | | | 2114 2114 | | | | | | 2114 2114 | | | - | | 2114 2114 | | | | 2114 2114 | |-------------------------------------------------| Notes: All IC's shown. ROM - Intersil 5504? 2114 - 2114UCB 4096 Bit (1024x4) NMOS Static RAM CDP1802 - RCA CDP1802E CMOS 8-Bit Microprocessor @ 1.75 MHz CDP1864 - RCA CDP1864CE COS/MOS PAL Compatible Color TV Interface @ 1.75 MHz CN1 - tape connector CN2 - video connector CN3 - power connector CN4 - expansion connector */ /* TODO: - tape input/output - tmc2000: add missing keys - tmc2000: TOOL-2000 rom banking - nano: correct time constant for EF4 RC circuit */ #include "includes/tmc1800.h" #include "sound/beep.h" /* Read/Write Handlers */ WRITE8_MEMBER( tmc1800_state::keylatch_w ) { m_keylatch = data; } WRITE8_MEMBER( osc1000b_state::keylatch_w ) { m_keylatch = data; } WRITE8_MEMBER( tmc2000_state::keylatch_w ) { /* bit description 0 X0 1 X1 2 X2 3 Y0 4 Y1 5 Y2 6 EXP1 7 EXP2 */ m_keylatch = data & 0x3f; } WRITE8_MEMBER( nano_state::keylatch_w ) { /* bit description 0 A 1 B 2 C 3 NY0 4 NY1 5 6 7 */ m_keylatch = data & 0x1f; } void tmc2000_state::bankswitch() { address_space &program = m_maincpu->space(AS_PROGRAM); UINT8 *ram = m_ram->pointer(); UINT8 *rom = m_rom->base(); if (m_roc) { // monitor ROM program.install_rom(0x0000, 0x01ff, 0, 0x7e00, rom); } else { // RAM switch (m_ram->size()) { case 4 * 1024: program.install_ram(0x0000, 0x0fff, 0, 0x7000, ram); break; case 16 * 1024: program.install_ram(0x0000, 0x3fff, 0, 0x4000, ram); break; case 32 * 1024: program.install_ram(0x0000, 0x7fff, ram); break; } } if (m_rac) { // color RAM program.install_ram(0x8000, 0x81ff, 0, 0x7e00, m_colorram); program.unmap_read(0x8000, 0x81ff, 0, 0x7e00); } else { // monitor ROM program.install_rom(0x8000, 0x81ff, 0, 0x7e00, rom); } } WRITE8_MEMBER( tmc2000_state::bankswitch_w ) { m_roc = 0; m_rac = BIT(data, 0); bankswitch(); m_cti->tone_latch_w(space, 0, data); } WRITE8_MEMBER( nano_state::bankswitch_w ) { /* enable RAM */ address_space &program = m_maincpu->space(AS_PROGRAM); UINT8 *ram = m_ram->pointer(); program.install_ram(0x0000, 0x0fff, 0, 0x7000, ram); /* write to CDP1864 tone latch */ m_cti->tone_latch_w(space, 0, data); } READ8_MEMBER( tmc1800_state::dispon_r ) { m_vdc->disp_on_w(1); m_vdc->disp_on_w(0); return 0xff; } WRITE8_MEMBER( tmc1800_state::dispoff_w ) { m_vdc->disp_off_w(1); m_vdc->disp_off_w(0); } /* Memory Maps */ // Telmac 1800 static ADDRESS_MAP_START( tmc1800_map, AS_PROGRAM, 8, tmc1800_state ) AM_RANGE(0x0000, 0x07ff) AM_MIRROR(0x7800) AM_RAM AM_RANGE(0x8000, 0x81ff) AM_MIRROR(0x7e00) AM_ROM AM_REGION(CDP1802_TAG, 0) ADDRESS_MAP_END static ADDRESS_MAP_START( tmc1800_io_map, AS_IO, 8, tmc1800_state ) AM_RANGE(0x01, 0x01) AM_READWRITE(dispon_r, dispoff_w) AM_RANGE(0x02, 0x02) AM_WRITE(keylatch_w) ADDRESS_MAP_END // OSCOM 1000B static ADDRESS_MAP_START( osc1000b_map, AS_PROGRAM, 8, osc1000b_state ) AM_RANGE(0x0000, 0x07ff) AM_MIRROR(0x7800) AM_RAM AM_RANGE(0x8000, 0x81ff) AM_MIRROR(0x7e00) AM_ROM AM_REGION(CDP1802_TAG, 0) ADDRESS_MAP_END static ADDRESS_MAP_START( osc1000b_io_map, AS_IO, 8, osc1000b_state ) AM_RANGE(0x02, 0x02) AM_WRITE(keylatch_w) ADDRESS_MAP_END // Telmac 2000 static ADDRESS_MAP_START( tmc2000_map, AS_PROGRAM, 8, tmc2000_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x7fff) // RAM / monitor ROM AM_RANGE(0x8000, 0xffff) // color RAM / monitor ROM ADDRESS_MAP_END static ADDRESS_MAP_START( tmc2000_io_map, AS_IO, 8, tmc2000_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x01, 0x01) AM_DEVREADWRITE(CDP1864_TAG, cdp1864_device, dispon_r, step_bgcolor_w) AM_RANGE(0x02, 0x02) AM_WRITE(keylatch_w) AM_RANGE(0x04, 0x04) AM_DEVREAD(CDP1864_TAG, cdp1864_device, dispoff_r) AM_WRITE(bankswitch_w) ADDRESS_MAP_END // OSCOM Nano static ADDRESS_MAP_START( nano_map, AS_PROGRAM, 8, nano_state ) AM_RANGE(0x0000, 0x7fff) // RAM / monitor ROM AM_RANGE(0x8000, 0x81ff) AM_MIRROR(0x7e00) AM_ROM AM_REGION(CDP1802_TAG, 0) ADDRESS_MAP_END static ADDRESS_MAP_START( nano_io_map, AS_IO, 8, nano_state ) AM_RANGE(0x01, 0x01) AM_DEVREADWRITE(CDP1864_TAG, cdp1864_device, dispon_r, step_bgcolor_w) AM_RANGE(0x02, 0x02) AM_WRITE(keylatch_w) AM_RANGE(0x04, 0x04) AM_DEVREAD(CDP1864_TAG, cdp1864_device, dispoff_r) AM_WRITE(bankswitch_w) ADDRESS_MAP_END /* Input Ports */ static INPUT_PORTS_START( tmc1800 ) PORT_START("Y0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_START("Y1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_START("RUN") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Run/Reset") PORT_CODE(KEYCODE_R) PORT_TOGGLE INPUT_PORTS_END INPUT_CHANGED_MEMBER( tmc2000_state::run_pressed ) { if (oldval && !newval) { machine_reset(); } } static INPUT_PORTS_START( tmc2000 ) PORT_START("Y0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_START("Y1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_START("RUN") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_NAME("Run/Reset") PORT_CODE(KEYCODE_R) PORT_TOGGLE PORT_CHANGED_MEMBER(DEVICE_SELF, tmc2000_state, run_pressed, 0) PORT_START("Y2") 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_H) PORT_CHAR('H') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_START("Y3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') 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_R) PORT_CHAR('R') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_START("Y4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') 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 ) INPUT_PORTS_END INPUT_CHANGED_MEMBER( nano_state::run_pressed ) { if (oldval && !newval) { machine_reset(); } } INPUT_CHANGED_MEMBER( nano_state::monitor_pressed ) { if (oldval && !newval) { machine_reset(); m_maincpu->set_input_line(COSMAC_INPUT_LINE_EF4, CLEAR_LINE); } else if (!oldval && newval) { // TODO: what are the correct values? int t = RES_K(27) * CAP_U(1) * 1000; // t = R26 * C1 timer_set(attotime::from_msec(t), TIMER_ID_EF4); } } static INPUT_PORTS_START( nano ) PORT_START("NY0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_START("NY1") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_START("RUN") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("RUN") PORT_CODE(KEYCODE_R) PORT_CHANGED_MEMBER(DEVICE_SELF, nano_state, run_pressed, 0) PORT_START("MONITOR") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYPAD ) PORT_NAME("MONITOR") PORT_CODE(KEYCODE_M) PORT_CHANGED_MEMBER(DEVICE_SELF, nano_state, monitor_pressed, 0) INPUT_PORTS_END /* CDP1802 Interfaces */ // Telmac 1800 READ_LINE_MEMBER( tmc1800_state::clear_r ) { return BIT(m_run->read(), 0); } READ_LINE_MEMBER( tmc1800_state::ef2_r ) { return m_cassette->input() < 0; } READ_LINE_MEMBER( tmc1800_state::ef3_r ) { return CLEAR_LINE; // TODO } WRITE_LINE_MEMBER( tmc1800_state::q_w ) { m_cassette->output(state ? 1.0 : -1.0); } // Oscom 1000B READ_LINE_MEMBER( osc1000b_state::clear_r ) { return BIT(m_run->read(), 0); } READ_LINE_MEMBER( osc1000b_state::ef2_r ) { return m_cassette->input() < 0; } READ_LINE_MEMBER( osc1000b_state::ef3_r ) { return CLEAR_LINE; // TODO } WRITE_LINE_MEMBER( osc1000b_state::q_w ) { m_cassette->output(state ? 1.0 : -1.0); } // Telmac 2000 READ_LINE_MEMBER( tmc2000_state::clear_r ) { return BIT(m_run->read(), 0); } READ_LINE_MEMBER( tmc2000_state::ef2_r ) { return (m_cassette)->input() < 0; } READ_LINE_MEMBER( tmc2000_state::ef3_r ) { UINT8 data = ~m_key_row[m_keylatch / 8]->read(); return BIT(data, m_keylatch % 8); } WRITE_LINE_MEMBER( tmc2000_state::q_w ) { /* CDP1864 audio output enable */ m_cti->aoe_w(state); /* set Q led status */ set_led_status(machine(), 1, state); /* tape output */ m_cassette->output(state ? 1.0 : -1.0); } WRITE8_MEMBER( tmc2000_state::dma_w ) { m_color = ~(m_colorram[offset & 0x1ff]) & 0x07; m_cti->con_w(0); // HACK m_cti->dma_w(space, offset, data); } // OSCOM Nano READ_LINE_MEMBER( nano_state::clear_r ) { int run = BIT(m_run->read(), 0); int monitor = BIT(m_monitor->read(), 0); return run && monitor; } READ_LINE_MEMBER( nano_state::ef2_r ) { return m_cassette->input() < 0; } READ_LINE_MEMBER( nano_state::ef3_r ) { UINT8 data = 0xff; if (!BIT(m_keylatch, 3)) data &= m_ny0->read(); if (!BIT(m_keylatch, 4)) data &= m_ny1->read(); return !BIT(data, m_keylatch & 0x07); } WRITE_LINE_MEMBER( nano_state::q_w ) { /* CDP1864 audio output enable */ m_cti->aoe_w(state); /* set Q led status */ set_led_status(machine(), 1, state); /* tape output */ m_cassette->output(state ? 1.0 : -1.0); } /* Machine Initialization */ // Telmac 1800 void tmc1800_state::machine_start() { /* register for state saving */ save_item(NAME(m_keylatch)); } void tmc1800_state::machine_reset() { /* reset CDP1861 */ m_vdc->reset(); } // OSCOM 1000B void osc1000b_state::machine_start() { /* register for state saving */ save_item(NAME(m_keylatch)); } void osc1000b_state::machine_reset() { } // Telmac 2000 void tmc2000_state::machine_start() { UINT16 addr; m_colorram.allocate(TMC2000_COLORRAM_SIZE); // randomize color RAM contents for (addr = 0; addr < TMC2000_COLORRAM_SIZE; addr++) { m_colorram[addr] = machine().rand() & 0xff; } // 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; // state saving save_item(NAME(m_keylatch)); save_item(NAME(m_rac)); save_item(NAME(m_roc)); } void tmc2000_state::machine_reset() { // reset CDP1864 m_cti->reset(); // banking m_roc = 1; m_rac = 0; bankswitch(); } // OSCOM Nano void nano_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { switch (id) { case TIMER_ID_EF4: m_maincpu->set_input_line(COSMAC_INPUT_LINE_EF4, ASSERT_LINE); break; } } void nano_state::machine_start() { /* register for state saving */ save_item(NAME(m_keylatch)); } void nano_state::machine_reset() { /* assert EF4 */ m_maincpu->set_input_line(COSMAC_INPUT_LINE_EF4, ASSERT_LINE); /* reset CDP1864 */ m_cti->reset(); /* enable ROM */ address_space &program = m_maincpu->space(AS_PROGRAM); UINT8 *rom = m_rom->base(); program.install_rom(0x0000, 0x01ff, 0, 0x7e00, rom); } /* Machine Drivers */ QUICKLOAD_LOAD_MEMBER( tmc1800_base_state, tmc1800 ) { UINT8 *ptr = m_rom->base(); int size = image.length(); if (size > m_ram->size()) { return IMAGE_INIT_FAIL; } image.fread( ptr, size); return IMAGE_INIT_PASS; } static MACHINE_CONFIG_START( tmc1800, tmc1800_state ) // basic system hardware MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_1_75MHz) MCFG_CPU_PROGRAM_MAP(tmc1800_map) MCFG_CPU_IO_MAP(tmc1800_io_map) MCFG_COSMAC_WAIT_CALLBACK(VCC) MCFG_COSMAC_CLEAR_CALLBACK(READLINE(tmc1800_state, clear_r)) MCFG_COSMAC_EF2_CALLBACK(READLINE(tmc1800_state, ef2_r)) MCFG_COSMAC_EF3_CALLBACK(READLINE(tmc1800_state, ef3_r)) MCFG_COSMAC_Q_CALLBACK(WRITELINE(tmc1800_state, q_w)) MCFG_COSMAC_DMAW_CALLBACK(DEVWRITE8(CDP1861_TAG, cdp1861_device, dma_w)) // video hardware MCFG_FRAGMENT_ADD(tmc1800_video) // sound hardware MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("beeper", BEEP, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) // devices MCFG_QUICKLOAD_ADD("quickload", tmc1800_base_state, tmc1800, "bin", 0) 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("2K") MCFG_RAM_EXTRA_OPTIONS("4K") MACHINE_CONFIG_END static MACHINE_CONFIG_START( osc1000b, osc1000b_state ) // basic system hardware MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_1_75MHz) MCFG_CPU_PROGRAM_MAP(osc1000b_map) MCFG_CPU_IO_MAP(osc1000b_io_map) MCFG_COSMAC_WAIT_CALLBACK(VCC) MCFG_COSMAC_CLEAR_CALLBACK(READLINE(osc1000b_state, clear_r)) MCFG_COSMAC_EF2_CALLBACK(READLINE(osc1000b_state, ef2_r)) MCFG_COSMAC_EF3_CALLBACK(READLINE(osc1000b_state, ef3_r)) MCFG_COSMAC_Q_CALLBACK(WRITELINE(osc1000b_state, q_w)) // video hardware MCFG_FRAGMENT_ADD(osc1000b_video) // sound hardware MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("beeper", BEEP, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) // devices MCFG_QUICKLOAD_ADD("quickload", tmc1800_base_state, tmc1800, "bin", 0) 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("2K") MCFG_RAM_EXTRA_OPTIONS("4K") MACHINE_CONFIG_END static MACHINE_CONFIG_START( tmc2000, tmc2000_state ) // basic system hardware MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_1_75MHz) MCFG_CPU_PROGRAM_MAP(tmc2000_map) MCFG_CPU_IO_MAP(tmc2000_io_map) MCFG_COSMAC_WAIT_CALLBACK(VCC) MCFG_COSMAC_CLEAR_CALLBACK(READLINE(tmc2000_state, clear_r)) MCFG_COSMAC_EF2_CALLBACK(READLINE(tmc2000_state, ef2_r)) MCFG_COSMAC_EF3_CALLBACK(READLINE(tmc2000_state, ef3_r)) MCFG_COSMAC_Q_CALLBACK(WRITELINE(tmc2000_state, q_w)) MCFG_COSMAC_DMAW_CALLBACK(WRITE8(tmc2000_state, dma_w)) // video hardware MCFG_FRAGMENT_ADD(tmc2000_video) // devices MCFG_QUICKLOAD_ADD("quickload", tmc1800_base_state, tmc1800, "bin", 0) 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("4K") MCFG_RAM_EXTRA_OPTIONS("16K,32K") MACHINE_CONFIG_END static MACHINE_CONFIG_START( nano, nano_state ) // basic system hardware MCFG_CPU_ADD(CDP1802_TAG, CDP1802, XTAL_1_75MHz) MCFG_CPU_PROGRAM_MAP(nano_map) MCFG_CPU_IO_MAP(nano_io_map) MCFG_COSMAC_WAIT_CALLBACK(VCC) MCFG_COSMAC_CLEAR_CALLBACK(READLINE(nano_state, clear_r)) MCFG_COSMAC_EF2_CALLBACK(READLINE(nano_state, ef2_r)) MCFG_COSMAC_EF3_CALLBACK(READLINE(nano_state, ef3_r)) MCFG_COSMAC_Q_CALLBACK(WRITELINE(nano_state, q_w)) MCFG_COSMAC_DMAW_CALLBACK(DEVWRITE8(CDP1864_TAG, cdp1864_device, dma_w)) // video hardware MCFG_FRAGMENT_ADD(nano_video) // devices MCFG_QUICKLOAD_ADD("quickload", tmc1800_base_state, tmc1800, "bin", 0) 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("4K") MACHINE_CONFIG_END /* ROMs */ ROM_START( tmc1800 ) ROM_REGION( 0x200, CDP1802_TAG, 0 ) ROM_LOAD( "mmi6341-1.ic2", 0x000, 0x200, NO_DUMP ) // equivalent to 82S141 ROM_END ROM_START( osc1000b ) ROM_REGION( 0x200, CDP1802_TAG, 0 ) ROM_LOAD( "mmi6341-1.ic2", 0x000, 0x0200, NO_DUMP ) // equivalent to 82S141 ROM_REGION( 0x400, "gfx1", 0 ) ROM_LOAD( "mmi6349.5d", 0x000, 0x200, NO_DUMP ) // equivalent to 82S147 ROM_LOAD( "mmi6349.5c", 0x200, 0x200, NO_DUMP ) // equivalent to 82S147 ROM_END ROM_START( tmc2000 ) ROM_REGION( 0x800, CDP1802_TAG, 0 ) ROM_SYSTEM_BIOS( 0, "prom200", "PROM N:o 200" ) ROMX_LOAD( "200.m5", 0x000, 0x200, BAD_DUMP CRC(79da3221) SHA1(008da3ef4f69ab1a493362dfca856375b19c94bd), ROM_BIOS(1) ) // typed in from the manual ROM_SYSTEM_BIOS( 1, "prom202", "PROM N:o 202" ) ROMX_LOAD( "202.m5", 0x000, 0x200, NO_DUMP, ROM_BIOS(2) ) ROM_SYSTEM_BIOS( 2, "tool2000", "TOOL-2000" ) ROMX_LOAD( "tool2000", 0x000, 0x800, NO_DUMP, ROM_BIOS(3) ) ROM_END ROM_START( nano ) ROM_REGION( 0x200, CDP1802_TAG, 0 ) ROM_LOAD( "mmi6349.ic", 0x000, 0x200, BAD_DUMP CRC(1ec1b432) SHA1(ac41f5e38bcd4b80bd7a5b277a2c600899fd5fb8) ) // equivalent to 82S141 ROM_END /* Driver Initialization */ void tmc1800_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { switch (id) { case TIMER_SETUP_BEEP: m_beeper->set_state(0); m_beeper->set_frequency(0); break; default: assert_always(FALSE, "Unknown id in tmc1800_state::device_timer"); } } DRIVER_INIT_MEMBER(tmc1800_state,tmc1800) { timer_set(attotime::zero, TIMER_SETUP_BEEP); } /* System Drivers */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1977, tmc1800, 0, 0, tmc1800, tmc1800, tmc1800_state, tmc1800, "Telercas Oy", "Telmac 1800", GAME_NOT_WORKING ) COMP( 1977, osc1000b, tmc1800,0, osc1000b, tmc1800, driver_device, 0, "OSCOM Oy", "OSCOM 1000B", GAME_NOT_WORKING ) COMP( 1980, tmc2000, 0, 0, tmc2000, tmc2000, driver_device, 0, "Telercas Oy", "Telmac 2000", GAME_SUPPORTS_SAVE ) COMP( 1980, nano, tmc2000,0, nano, nano, driver_device, 0, "OSCOM Oy", "OSCOM Nano", GAME_WRONG_COLORS | GAME_SUPPORTS_SAVE )