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hx20.cpp
1048 lines (786 loc) · 31.6 KB
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hx20.cpp
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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/***************************************************************************
Epson HX-20
http://fjkraan.home.xs4all.nl/comp/hx20/
Epson CM6000 Series
These are re-badged HX-20 with revision H motherboard and keyboard overlay.
CM6032: Takes 3x16K ROMs instead of the usual 4x8K + 8K optional. Appears to
be from a BT phone exchange.
Label on base states CM6000 Series, CM6032 System, MOH 89/1.
CM6127: Takes 2x16K ROMs and 32K CMOS RAM. Also has an expansion unit
containing 2x16K ROMs and 32K CMOS RAM.
Label on base states CM6000 Series, CM6127H System.
****************************************************************************/
/*
TODO:
- m6800.cpp rewrite
- keyboard interrupt
- LCD controller
- serial
- SW6 read
- RS-232
- microcassette
- printer
- ROM cartridge
- floppy TF-20
- barcode reader
*/
#include "emu.h"
#include "hx20.h"
#include "screen.h"
#include "softlist_dev.h"
#include "speaker.h"
#include "utf8.h"
//**************************************************************************
// READ/WRITE HANDLERS
//**************************************************************************
//-------------------------------------------------
// update_interrupt -
//-------------------------------------------------
void hx20_state::update_interrupt()
{
int irq = m_rtc_irq || m_kbrequest;
m_maincpu->set_input_line(HD6301_IRQ1_LINE, irq);
}
//-------------------------------------------------
// ksc_w -
//-------------------------------------------------
void hx20_state::ksc_w(uint8_t data)
{
logerror("KSC %02x\n", data);
m_ksc = data;
}
//-------------------------------------------------
// krtn07_r -
//-------------------------------------------------
uint8_t hx20_state::krtn07_r()
{
uint8_t data = 0xff;
for (int b = 0; 8 > b; ++b)
if (!BIT(m_ksc, b))
data &= m_ksc_io[b]->read();
return data;
}
//-------------------------------------------------
// krtn89_r -
//-------------------------------------------------
uint8_t hx20_state::krtn89_r()
{
/*
bit description
0 KRTN8
1 KRTN9
2
3
4
5
6 _PWSW
7 _BUSY
*/
uint8_t data = 0xff;
for (int b = 0; 8 > b; ++b)
if (!BIT(m_ksc, b))
data &= m_ksc_io[b]->read() >> 8;
return data;
}
//-------------------------------------------------
// lcd_cs_w -
//-------------------------------------------------
void hx20_state::lcd_cs_w(uint8_t data)
{
/*
bit description
0 LCD CS bit 0
1 LCD CS bit 1
2 LCD CS bit 2
3 LCD C/_D
4 KEY INT MASK
5 SERIAL POUT
6 MO1
7 MO2
*/
logerror("LCD CS %02x\n", data);
// LCD
for (auto &lcdc : m_lcdc)
lcdc->cs_w(1);
if (data & 0x07)
m_lcdc[(data & 0x07) - 1]->cs_w(0);
int const cd = BIT(data, 3);
for (auto &lcdc : m_lcdc)
lcdc->cd_w(cd);
// serial
m_sio->pout_w(BIT(data, 5));
}
//-------------------------------------------------
// lcd_data_w -
//-------------------------------------------------
void hx20_state::lcd_data_w(uint8_t data)
{
logerror("LCD DATA %02x\n", data);
m_lcd_data = data;
}
//-------------------------------------------------
// main_p1_r - main CPU port 1 read
//-------------------------------------------------
uint8_t hx20_state::main_p1_r()
{
/*
bit description
0 RS-232 DSR
1 RS-232 CTS
2
3 _INT EX
4 _PWA
5 _K.B REQUEST
6 SERIAL PIN
7 CARTRIDGE MI1 (0=ROM, 1=microcassette)
*/
uint8_t data = 0x98;
// RS-232
data |= m_rs232->dsr_r();
data |= m_rs232->cts_r() << 1;
// keyboard
data |= m_kbrequest << 5;
// serial
data |= m_sio_pin << 6;
return data;
}
//-------------------------------------------------
// main_p1_w - main CPU port 1 write
//-------------------------------------------------
void hx20_state::main_p1_w(uint8_t data)
{
/*
bit description
0
1
2
3
4
5
6
7
*/
}
//-------------------------------------------------
// main_p2_r - main CPU port 2 read
//-------------------------------------------------
uint8_t hx20_state::main_p2_r()
{
/*
bit description
0 bar code reader data
1
2 SLAVE P34
3 RX
4
5
6
7
*/
uint8_t data = M6801_MODE_4;
// serial
data &= ~(!m_slave_flag << 2);
if (m_slave_sio)
data |= m_slave_rx << 3;
else
data |= m_sio_rx << 3;
return data;
}
//-------------------------------------------------
// main_p2_w - main CPU port 2 write
//-------------------------------------------------
void hx20_state::main_p2_w(uint8_t data)
{
/*
bit description
0
1 RS-232 TXD
2 serial select (0=peripheral, 1=slave 6301)
3
4 TX
5
6
7
*/
// RS-232
m_rs232->write_txd(BIT(data, 1));
// serial
m_slave_sio = BIT(data, 2);
if (m_slave_sio)
m_slave_tx = BIT(data, 4);
else
m_sio->tx_w(BIT(data, 4));
}
//-------------------------------------------------
// slave_p1_r - slave CPU port 1 read
//-------------------------------------------------
uint8_t hx20_state::slave_p1_r()
{
/*
bit description
0
1
2
3
4
5
6 printer reset pulse
7 printer timing pulse
*/
uint8_t data = 0;
return data;
}
//-------------------------------------------------
// slave_p1_w - slave CPU port 1 write
//-------------------------------------------------
void hx20_state::slave_p1_w(uint8_t data)
{
/*
bit description
0 printer head 1 (1=on)
1 printer head 2
2 printer head 3
3 printer head 4
4 printer motor (0=on)
5 speaker (1=on)
6
7
*/
// speaker
m_speaker->level_w(BIT(data, 5));
}
//-------------------------------------------------
// slave_p2_r - slave CPU port 2 read
//-------------------------------------------------
uint8_t hx20_state::slave_p2_r()
{
/*
bit description
0 RS-232 RXD / microcassette (0=read, 1=write)
1
2
3 TX
4
5
6
7
*/
uint8_t data = M6801_MODE_7;
// serial
data |= m_slave_tx << 3;
return data;
}
//-------------------------------------------------
// slave_p2_w - slave CPU port 2 write
//-------------------------------------------------
void hx20_state::slave_p2_w(uint8_t data)
{
/*
bit description
0
1 microcassette internal clock, write data
2 serial select (0=brake, 1=normal)
3
4 RX
5
6
7
*/
// serial
m_slave_rx = BIT(data, 4);
}
//-------------------------------------------------
// slave_p3_r - slave CPU port 3 read
//-------------------------------------------------
uint8_t hx20_state::slave_p3_r()
{
/*
bit description
0
1
2 external cassette read data
3
4
5
6
7
*/
uint8_t data = 0;
return data;
}
//-------------------------------------------------
// slave_p3_w - slave CPU port 3 write
//-------------------------------------------------
void hx20_state::slave_p3_w(uint8_t data)
{
/*
bit description
0 external cassette remote (0=on)
1 RS-232 RTS
2
3 external cassette write data
4 slave status flag
5 bar code power (1=on)
6 RS-232 power (1=on)
7 program power (1=on)
*/
// RS-232
m_rs232->write_rts(BIT(data, 1));
// main
m_slave_flag = BIT(data, 4);
}
//-------------------------------------------------
// slave_p4_r - slave CPU port 4 read
//-------------------------------------------------
uint8_t hx20_state::slave_p4_r()
{
/*
bit description
0 PLUG 2
1
2
3
4
5
6
7 RS-232 CD
*/
uint8_t data = 0;
// RS-232
data |= m_rs232->dcd_r() << 7;
return data;
}
//-------------------------------------------------
// slave_p4_w - slave CPU port 4 write
//-------------------------------------------------
void hx20_state::slave_p4_w(uint8_t data)
{
/*
bit description
0
1 port enable always on / printer motor control (0=open, 1=brake)
2 clear shift register / microcassette power switch (1=on)
3 ROM cartridge power switch (1=on) / microcassette command
4 ROM address counter clear / clock
5 cassette/RS-232 select (0=RS-232, 1=microcassette)
6 ROM cartridge select / microcassette clock (0=counter, 1=head switch)
7
*/
}
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
//-------------------------------------------------
// ADDRESS_MAP( hx20_mem )
//-------------------------------------------------
void hx20_state::hx20_mem(address_map &map)
{
map(0x0020, 0x0020).w(FUNC(hx20_state::ksc_w));
map(0x0022, 0x0022).r(FUNC(hx20_state::krtn07_r));
map(0x0026, 0x0026).w(FUNC(hx20_state::lcd_cs_w));
map(0x0028, 0x0028).r(FUNC(hx20_state::krtn89_r));
map(0x002a, 0x002a).w(FUNC(hx20_state::lcd_data_w));
map(0x002c, 0x002c); // mask interruption by using IC 8E in sleep mode
map(0x0030, 0x0033); // switch memory banks (expansion unit)
map(0x0040, 0x007f).rw(m_rtc, FUNC(mc146818_device::read_direct), FUNC(mc146818_device::write_direct));
map(0x0100, 0x3fff).ram();
map(0x6000, 0x7fff).rom().r(FUNC(hx20_state::optrom_r));
map(0x8000, 0xffff).rom().region(HD6301V1_MAIN_TAG, 0);
}
//-------------------------------------------------
// ADDRESS_MAP( cm6032_mem )
//-------------------------------------------------
void hx20_state::cm6032_mem(address_map &map)
{
hx20_mem(map);
map(0x4000, 0xffff).rom().region(HD6301V1_MAIN_TAG, 0);
}
//-------------------------------------------------
// ADDRESS_MAP( cm6127_mem )
//-------------------------------------------------
void hx20_state::cm6127_mem(address_map &map)
{
hx20_mem(map);
map(0x4000, 0x7fff).ram();
map(0x8000, 0xffff).rom().region(HD6301V1_MAIN_TAG, 0);
}
//**************************************************************************
// INPUT PORTS
//**************************************************************************
//-------------------------------------------------
// INPUT_PORTS( hx20 )
//-------------------------------------------------
static INPUT_PORTS_START( hx20 )
PORT_START("KSC0")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('_')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_CUSTOM ) // SW6:1
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC1")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR(':') PORT_CHAR('*')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR(';') PORT_CHAR('+')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR(',') PORT_CHAR('<')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_CUSTOM ) // SW6:2
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC2")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('@') PORT_CHAR('^')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_CUSTOM ) // SW6:3
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC3")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_CUSTOM ) // SW6:4
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC4")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PF5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC5")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR(']') PORT_CHAR('}')
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT" " UTF8_UP) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT" " UTF8_DOWN) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PAPER FEED")
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC6")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r')
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NUM")
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GRPH")
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("KSC7")
PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HOME CLR") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SCRN")
PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BREAK")
PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PAUSE")
PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INS DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MENU")
PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PRTR ON/OFF")
PORT_BIT( 0xfc00, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("SW6")
PORT_DIPNAME( 0x07, 0x07, "Country" ) PORT_DIPLOCATION("SW6:1,2,3")
PORT_DIPSETTING( 0x00, "Spain" )
PORT_DIPSETTING( 0x01, "Italy" )
PORT_DIPSETTING( 0x02, "Sweden" )
PORT_DIPSETTING( 0x03, "Denmark" )
PORT_DIPSETTING( 0x04, "England" )
PORT_DIPSETTING( 0x05, "Germany" )
PORT_DIPSETTING( 0x06, "France" )
PORT_DIPSETTING( 0x07, "U.S.A." )
PORT_DIPNAME( 0x08, 0x00, "Floppy Drive TF-20" ) PORT_DIPLOCATION("SW6:4")
PORT_DIPSETTING( 0x00, "Installed" )
PORT_DIPSETTING( 0x08, "Not Installed" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( hx20e )
//-------------------------------------------------
static INPUT_PORTS_START( hx20e )
PORT_INCLUDE(hx20)
PORT_MODIFY("SW6")
PORT_DIPNAME( 0x07, 0x00, "Country" ) PORT_DIPLOCATION("SW6:1,2,3")
PORT_DIPSETTING( 0x00, "Sweden (ASCII)" )
PORT_DIPSETTING( 0x01, "Germany (ASCII)" )
PORT_DIPSETTING( 0x02, "France (ASCII)" )
PORT_DIPSETTING( 0x03, "Denmark" )
PORT_DIPSETTING( 0x04, "Sweden" )
PORT_DIPSETTING( 0x05, "Germany" )
PORT_DIPSETTING( 0x06, "France" )
PORT_DIPSETTING( 0x07, "Norway" )
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( cm6032 )
//-------------------------------------------------
static INPUT_PORTS_START( cm6032 )
PORT_INCLUDE(hx20)
PORT_MODIFY("KSC0")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1 TOTALS") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_MODIFY("KSC1")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2 DETAIL") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_MODIFY("KSC2")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3 STATUS") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_MODIFY("KSC3")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4 AUTO") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_MODIFY("KSC4")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5 T/DATE") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_MODIFY("KSC7")
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ABORT")
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EXT FF")
INPUT_PORTS_END
//-------------------------------------------------
// INPUT_PORTS( cm6127 )
//-------------------------------------------------
static INPUT_PORTS_START( cm6127 )
PORT_INCLUDE(hx20)
PORT_MODIFY("KSC0")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1 Checkout") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_MODIFY("KSC1")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2 Enquiry") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
PORT_MODIFY("KSC2")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3 Checkin") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
PORT_MODIFY("KSC3")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4 Audit") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
PORT_MODIFY("KSC4")
PORT_BIT(0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5 T/Date") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
PORT_MODIFY("KSC7")
PORT_BIT(0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Abort")
PORT_BIT(0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Pause")
PORT_BIT(0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ext FF")
INPUT_PORTS_END
//**************************************************************************
// DEVICE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// mc146818_interface rtc_intf
//-------------------------------------------------
void hx20_state::rtc_irq_w(int state)
{
m_rtc_irq = state;
update_interrupt();
}
//**************************************************************************
// VIDEO
//**************************************************************************
void hx20_state::hx20_palette(palette_device &palette) const
{
palette.set_pen_color(0, 0xa5, 0xad, 0xa5);
palette.set_pen_color(1, 0x31, 0x39, 0x10);
}
//-------------------------------------------------
// SCREEN_UPDATE( hx20 )
//-------------------------------------------------
uint32_t hx20_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
for (auto &lcdc : m_lcdc)
lcdc->screen_update(screen, bitmap, cliprect);
return 0;
}
//**************************************************************************
// OPTIONAL ROMS
//**************************************************************************
DEVICE_IMAGE_LOAD_MEMBER(hx20_state::optrom_load)
{
uint32_t size = m_optrom->common_get_size("rom");
if (size != 0x2000)
return std::make_pair(image_error::INVALIDLENGTH, "Unsupported ROM size (must be 8K)");
m_optrom->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
m_optrom->common_load_rom(m_optrom->get_rom_base(), size, "rom");
return std::make_pair(std::error_condition(), std::string());
}
uint8_t hx20_state::optrom_r(offs_t offset)
{
if (m_optrom->exists())
return m_optrom->read_rom(offset);
else
return 0;
}
//**************************************************************************
// MACHINE INITIALIZATION
//**************************************************************************
//-------------------------------------------------
// MACHINE_START( hx20 )
//-------------------------------------------------
void hx20_state::machine_start()
{
// state saving
save_item(NAME(m_slave_rx));
save_item(NAME(m_slave_tx));
save_item(NAME(m_slave_flag));
save_item(NAME(m_ksc));
save_item(NAME(m_kbrequest));
save_item(NAME(m_lcd_data));
}
//**************************************************************************
// MACHINE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// machine_config( hx20 )
//-------------------------------------------------
void hx20_state::hx20(machine_config &config)
{
// basic machine hardware
HD6303R(config, m_maincpu, 2.4576_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &hx20_state::hx20_mem);
m_maincpu->in_p1_cb().set(FUNC(hx20_state::main_p1_r));
m_maincpu->out_p1_cb().set(FUNC(hx20_state::main_p1_w));
m_maincpu->in_p2_cb().set(FUNC(hx20_state::main_p2_r));
m_maincpu->out_p2_cb().set(FUNC(hx20_state::main_p2_w));
// Port 3 = A0-A7, D0-D7
// Port 4 = A8-A15
HD6301V1(config, m_subcpu, 2.4576_MHz_XTAL);
m_subcpu->in_p1_cb().set(FUNC(hx20_state::slave_p1_r));
m_subcpu->out_p1_cb().set(FUNC(hx20_state::slave_p1_w));
m_subcpu->in_p2_cb().set(FUNC(hx20_state::slave_p2_r));
m_subcpu->out_p2_cb().set(FUNC(hx20_state::slave_p2_w));
m_subcpu->in_p3_cb().set(FUNC(hx20_state::slave_p3_r));
m_subcpu->out_p3_cb().set(FUNC(hx20_state::slave_p3_w));
m_subcpu->in_p4_cb().set(FUNC(hx20_state::slave_p4_r));
m_subcpu->out_p4_cb().set(FUNC(hx20_state::slave_p4_w));
// video hardware
screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_LCD));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500));
screen.set_size(120, 32);
screen.set_visarea(0, 120-1, 0, 32-1);
screen.set_screen_update(FUNC(hx20_state::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", FUNC(hx20_state::hx20_palette), 2);
for (int y = 0, i = 0; 2 > y; ++y)
for (int x = 0; 3 > x; ++x)
UPD7227(config, m_lcdc[i++], x * 40, y * 16);
// sound hardware
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
// devices
MC146818(config, m_rtc, 4.194304_MHz_XTAL);
m_rtc->irq().set(FUNC(hx20_state::rtc_irq_w));
RS232_PORT(config, RS232_TAG, default_rs232_devices, nullptr);
CASSETTE(config, m_cassette);
EPSON_SIO(config, m_sio, "tf20");
m_sio->rx_callback().set(FUNC(hx20_state::sio_rx_w));
m_sio->pin_callback().set(FUNC(hx20_state::sio_pin_w));
// internal ram
RAM(config, RAM_TAG).set_default_size("16K").set_extra_options("32K");
// optional rom
GENERIC_SOCKET(config, m_optrom, generic_plain_slot, "opt_rom", "bin,rom");
m_optrom->set_device_load(FUNC(hx20_state::optrom_load));
// software lists
SOFTWARE_LIST(config, "hx20_opt_list").set_original("hx20_rom");
SOFTWARE_LIST(config, "epson_cpm_list").set_original("epson_cpm");
}
//-------------------------------------------------
// machine_config( cm6032 )
//-------------------------------------------------
void hx20_state::cm6032(machine_config &config)
{
hx20(config);
m_maincpu->set_addrmap(AS_PROGRAM, &hx20_state::cm6032_mem);
// optional rom
config.device_remove("optrom");
// software lists
config.device_remove("epson_cpm_list");
config.device_remove("hx20_opt_list");
}
//-------------------------------------------------
// machine_config( cm6127 )
//-------------------------------------------------
void hx20_state::cm6127(machine_config &config)
{
cm6032(config);
m_maincpu->set_addrmap(AS_PROGRAM, &hx20_state::cm6127_mem);
}
//-------------------------------------------------
// ROM( ehx20 )
//-------------------------------------------------
ROM_START( ehx20 )
ROM_REGION( 0x8000, HD6301V1_MAIN_TAG, ROMREGION_ERASEFF )
ROM_DEFAULT_BIOS( "v11" )
ROM_SYSTEM_BIOS( 0, "v10", "version 1.0" )
ROMX_LOAD( "hx20_v10.12e", 0x6000, 0x2000, CRC(ed7482c6) SHA1(8fba63037f2418aee9e933a353b052a5ed816ead), ROM_BIOS(0) )
ROMX_LOAD( "hx20_v10.13e", 0x4000, 0x2000, CRC(f5cc8868) SHA1(3248a1ddf0d8df7e9f2fe96955385218d760c4ad), ROM_BIOS(0) )
ROMX_LOAD( "hx20_v10.14e", 0x2000, 0x2000, CRC(27d743ed) SHA1(ebae367b0fa5f42ac78424df2534312296fd6fdc), ROM_BIOS(0) )
ROMX_LOAD( "hx20_v10.15e", 0x0000, 0x2000, CRC(33fbb1ab) SHA1(292ace94b4dad267aa7786dc64e68ac6f3c98aa7), ROM_BIOS(0) )
ROM_SYSTEM_BIOS( 1, "v11", "version 1.1" )
ROMX_LOAD( "hx20_v11.12e", 0x0000, 0x2000, CRC(4de0b4b6) SHA1(f15c537824b7effde9d9b9a21e92a081fb089371), ROM_BIOS(1) )
ROMX_LOAD( "hx20_v11.13e", 0x2000, 0x2000, CRC(10d6ae76) SHA1(3163954ed9981f70f590ee98bcc8e19e4be6527a), ROM_BIOS(1) )
ROMX_LOAD( "hx20_v11.14e", 0x4000, 0x2000, CRC(26c203a1) SHA1(b282d7233b2689820fcf718dbe1e93d623b67e4f), ROM_BIOS(1) )
ROMX_LOAD( "hx20_v11.15e", 0x6000, 0x2000, CRC(101cb3e8) SHA1(e0b5cf107a9387e34a0e46f54328b89696c0bdc5), ROM_BIOS(1) )
ROM_REGION( 0x1000, HD6301V1_SLAVE_TAG, 0 )
ROM_LOAD( "hd6301v1.6d", 0x0000, 0x1000, CRC(b36f5b99) SHA1(c6b54163bb268e4f4f5c79aa2e83ec51f775b16a) )
ROM_END
//-------------------------------------------------
// ROM( ehx20e )
//-------------------------------------------------
ROM_START( ehx20e )
ROM_REGION( 0x8000, HD6301V1_MAIN_TAG, ROMREGION_ERASEFF )
ROM_LOAD( "hx20_v11e.12e", 0x0000, 0x2000, CRC(4de0b4b6) SHA1(f15c537824b7effde9d9b9a21e92a081fb089371) )
ROM_LOAD( "hx20_v11e.13e", 0x2000, 0x2000, CRC(10d6ae76) SHA1(3163954ed9981f70f590ee98bcc8e19e4be6527a) )
ROM_LOAD( "hx20_v11e.14e", 0x4000, 0x2000, CRC(26c203a1) SHA1(b282d7233b2689820fcf718dbe1e93d623b67e4f) )
ROM_LOAD( "hx20_v11e.15e", 0x6000, 0x2000, CRC(fd339aa5) SHA1(860c3579c45e96c5e6a877f4fbe77abacb0d674e) )