// 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 )