/***************************************************************************
Sord m.5
http://www.retropc.net/mm/m5/
http://www.museo8bits.es/wiki/index.php/Sord_M5
http://k5.web.klfree.net/content/view/10/11/
http://k5.web.klfree.net/images/stories/sord/m5heap.htm
****************************************************************************/
/*
TODO:
- floppy
- SI-5 serial interface (8251, ROM)
- 64KB RAM expansions
*/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "formats/m5_dsk.h"
#include "formats/sord_cas.h"
#include "imagedev/cartslot.h"
#include "imagedev/cassette.h"
#include "bus/centronics/ctronics.h"
#include "machine/i8255.h"
#include "machine/ram.h"
#include "machine/upd765.h"
#include "machine/z80ctc.h"
#include "sound/sn76496.h"
#include "video/tms9928a.h"
#include "includes/m5.h"
//**************************************************************************
// MEMORY BANKING
//**************************************************************************
WRITE_LINE_MEMBER( m5_state::write_centronics_busy )
{
m_centronics_busy = state;
}
//-------------------------------------------------
// sts_r -
//-------------------------------------------------
READ8_MEMBER( m5_state::sts_r )
{
/*
bit description
0 cassette input
1 busy
2
3
4
5
6
7 RESET key
*/
UINT8 data = 0;
// cassette input
data |= m_cassette->input() >= 0 ? 1 : 0;
// centronics busy
data |= m_centronics_busy << 1;
// RESET key
data |= m_reset->read();
return data;
}
//-------------------------------------------------
// com_w -
//-------------------------------------------------
WRITE8_MEMBER( m5_state::com_w )
{
/*
bit description
0 cassette output, centronics strobe
1 cassette remote
2
3
4
5
6
7
*/
// cassette output
m_cassette->output( BIT(data, 0) ? -1.0 : 1.0);
// centronics strobe
m_centronics->write_strobe(BIT(data, 0));
// cassette remote
m_cassette->change_state(BIT(data,1) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
}
//**************************************************************************
// FD-5
//**************************************************************************
//-------------------------------------------------
// fd5_data_r -
//-------------------------------------------------
READ8_MEMBER( m5_state::fd5_data_r )
{
m_ppi->pc6_w(0);
return m_fd5_data;
}
//-------------------------------------------------
// fd5_data_w -
//-------------------------------------------------
WRITE8_MEMBER( m5_state::fd5_data_w )
{
m_fd5_data = data;
m_ppi->pc4_w(0);
}
//-------------------------------------------------
// fd5_com_r -
//-------------------------------------------------
READ8_MEMBER( m5_state::fd5_com_r )
{
/*
bit description
0 ?
1 1?
2 IBFA?
3 OBFA?
4
5
6
7
*/
return m_obfa << 3 | m_ibfa << 2 | 0x02;
}
//-------------------------------------------------
// fd5_com_w -
//-------------------------------------------------
WRITE8_MEMBER( m5_state::fd5_com_w )
{
/*
bit description
0 PPI PC2
1 PPI PC0
2 PPI PC1
3
4
5
6
7
*/
m_fd5_com = data;
}
//-------------------------------------------------
// fd5_com_w -
//-------------------------------------------------
WRITE8_MEMBER( m5_state::fd5_ctrl_w )
{
/*
bit description
0
1
2
3
4
5
6
7
*/
m_floppy0->mon_w(!BIT(data, 0));
}
//-------------------------------------------------
// fd5_com_w -
//-------------------------------------------------
WRITE8_MEMBER( m5_state::fd5_tc_w )
{
m_fdc->tc_w(true);
m_fdc->tc_w(false);
}
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
//-------------------------------------------------
// ADDRESS_MAP( m5_mem )
//-------------------------------------------------
static ADDRESS_MAP_START( m5_mem, AS_PROGRAM, 8, m5_state )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x1fff) AM_ROM
AM_RANGE(0x2000, 0x6fff) AM_ROM
AM_RANGE(0x7000, 0x7fff) AM_RAM
AM_RANGE(0x8000, 0xffff) AM_RAM
ADDRESS_MAP_END
//-------------------------------------------------
// ADDRESS_MAP( m5_io )
//-------------------------------------------------
static ADDRESS_MAP_START( m5_io, AS_IO, 8, m5_state )
ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x03) AM_MIRROR(0x0c) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write)
AM_RANGE(0x10, 0x10) AM_MIRROR(0x0e) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write)
AM_RANGE(0x11, 0x11) AM_MIRROR(0x0e) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write)
AM_RANGE(0x20, 0x20) AM_MIRROR(0x0f) AM_DEVWRITE(SN76489AN_TAG, sn76489a_device, write)
AM_RANGE(0x30, 0x30) AM_MIRROR(0x08) AM_READ_PORT("Y0") // 64KBF bank select
AM_RANGE(0x31, 0x31) AM_MIRROR(0x08) AM_READ_PORT("Y1")
AM_RANGE(0x32, 0x32) AM_MIRROR(0x08) AM_READ_PORT("Y2")
AM_RANGE(0x33, 0x33) AM_MIRROR(0x08) AM_READ_PORT("Y3")
AM_RANGE(0x34, 0x34) AM_MIRROR(0x08) AM_READ_PORT("Y4")
AM_RANGE(0x35, 0x35) AM_MIRROR(0x08) AM_READ_PORT("Y5")
AM_RANGE(0x36, 0x36) AM_MIRROR(0x08) AM_READ_PORT("Y6")
AM_RANGE(0x37, 0x37) AM_MIRROR(0x08) AM_READ_PORT("JOY")
AM_RANGE(0x40, 0x40) AM_MIRROR(0x0f) AM_DEVWRITE("cent_data_out", output_latch_device, write)
AM_RANGE(0x50, 0x50) AM_MIRROR(0x0f) AM_READWRITE(sts_r, com_w)
// AM_RANGE(0x60, 0x63) SIO
// AM_RANGE(0x6c, 0x6c) EM-64/64KBI bank select
AM_RANGE(0x70, 0x73) AM_MIRROR(0x0c) AM_DEVREADWRITE(I8255A_TAG, i8255_device, read, write)
// AM_RANGE(0x7f, 0x7f) 64KRD/64KRX bank select
ADDRESS_MAP_END
//-------------------------------------------------
// ADDRESS_MAP( fd5_mem )
//-------------------------------------------------
static ADDRESS_MAP_START( fd5_mem, AS_PROGRAM, 8, m5_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0xffff) AM_RAM
ADDRESS_MAP_END
//-------------------------------------------------
// ADDRESS_MAP( fd5_io )
//-------------------------------------------------
static ADDRESS_MAP_START( fd5_io, AS_IO, 8, m5_state )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x01) AM_DEVICE(UPD765_TAG, upd765a_device, map)
AM_RANGE(0x10, 0x10) AM_READWRITE(fd5_data_r, fd5_data_w)
AM_RANGE(0x20, 0x20) AM_WRITE(fd5_com_w)
AM_RANGE(0x30, 0x30) AM_READ(fd5_com_r)
AM_RANGE(0x40, 0x40) AM_WRITE(fd5_ctrl_w)
AM_RANGE(0x50, 0x50) AM_WRITE(fd5_tc_w)
ADDRESS_MAP_END
//**************************************************************************
// INPUT PORTS
//**************************************************************************
//-------------------------------------------------
// INPUT_PORTS( m5 )
//-------------------------------------------------
static INPUT_PORTS_START( m5 )
PORT_START("Y0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Func") PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(F1))
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_MAMEKEY(RSHIFT))
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_START("Y1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
PORT_START("Y2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
PORT_START("Y3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
PORT_START("Y4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
PORT_START("Y5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_CHAR(UCHAR_MAMEKEY(DOWN))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("_ Triangle") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('_')
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\\') PORT_CHAR('|')
PORT_START("Y6")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@') PORT_CHAR('`') PORT_CHAR(UCHAR_MAMEKEY(UP))
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{')
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_CHAR(UCHAR_MAMEKEY(LEFT))
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}')
PORT_START("JOY")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(1)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(1)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(1)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(2)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(2)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(2)
PORT_START("RESET")
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Reset") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) /* 1st line, 1st key from right! */
INPUT_PORTS_END
//-------------------------------------------------
// TMS9928a_interface vdp_intf
//-------------------------------------------------
WRITE_LINE_MEMBER(m5_state::sordm5_video_interrupt_callback)
{
if (state)
{
m_ctc->trg3(1);
m_ctc->trg3(0);
}
}
//-------------------------------------------------
// I8255 Interface
//-------------------------------------------------
READ8_MEMBER( m5_state::ppi_pa_r )
{
return m_fd5_data;
}
READ8_MEMBER( m5_state::ppi_pc_r )
{
/*
bit description
0 ?
1 ?
2 ?
3
4 STBA
5
6 ACKA
7
*/
return (
/* FD5 bit 0-> M5 bit 2 */
((m_fd5_com & 0x01)<<2) |
/* FD5 bit 2-> M5 bit 1 */
((m_fd5_com & 0x04)>>1) |
/* FD5 bit 1-> M5 bit 0 */
((m_fd5_com & 0x02)>>1)
);
}
WRITE8_MEMBER( m5_state::ppi_pa_w )
{
m_fd5_data = data;
}
WRITE8_MEMBER( m5_state::ppi_pb_w )
{
/*
bit description
0
1
2
3
4
5
6
7
*/
if (data == 0xf0)
{
m_fd5cpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
m_fd5cpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
}
}
WRITE8_MEMBER( m5_state::ppi_pc_w )
{
/*
bit description
0
1
2
3 INTRA
4
5 IBFA
6
7 OBFA
*/
m_intra = BIT(data, 3);
m_ibfa = BIT(data, 5);
m_obfa = BIT(data, 7);
}
//-------------------------------------------------
// upd765_interface fdc_intf
//-------------------------------------------------
FLOPPY_FORMATS_MEMBER( m5_state::floppy_formats )
FLOPPY_M5_FORMAT
FLOPPY_FORMATS_END
static SLOT_INTERFACE_START( m5_floppies )
SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
SLOT_INTERFACE_END
//-------------------------------------------------
// z80_daisy_config m5_daisy_chain
//-------------------------------------------------
static const z80_daisy_config m5_daisy_chain[] =
{
{ Z80CTC_TAG },
{ NULL }
};
//**************************************************************************
// MACHINE INITIALIZATION
//**************************************************************************
//-------------------------------------------------
// MACHINE_START( m5 )
//-------------------------------------------------
void m5_state::machine_start()
{
address_space &program = m_maincpu->space(AS_PROGRAM);
// configure RAM
switch (m_ram->size())
{
case 4*1024:
program.unmap_readwrite(0x8000, 0xffff);
break;
case 36*1024:
break;
case 68*1024:
break;
}
// register for state saving
save_item(NAME(m_fd5_data));
save_item(NAME(m_fd5_com));
save_item(NAME(m_intra));
save_item(NAME(m_ibfa));
save_item(NAME(m_obfa));
}
void m5_state::machine_reset()
{
}
//**************************************************************************
// MACHINE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// MACHINE_CONFIG( m5 )
//-------------------------------------------------
static MACHINE_CONFIG_START( m5, m5_state )
// basic machine hardware
MCFG_CPU_ADD(Z80_TAG, Z80, XTAL_14_31818MHz/4)
MCFG_CPU_PROGRAM_MAP(m5_mem)
MCFG_CPU_IO_MAP(m5_io)
MCFG_CPU_CONFIG(m5_daisy_chain)
MCFG_CPU_ADD(Z80_FD5_TAG, Z80, XTAL_14_31818MHz/4)
MCFG_CPU_PROGRAM_MAP(fd5_mem)
MCFG_CPU_IO_MAP(fd5_io)
// sound hardware
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(SN76489AN_TAG, SN76489A, XTAL_14_31818MHz/4)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
// devices
MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, XTAL_14_31818MHz/4)
MCFG_Z80CTC_INTR_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0))
// CK0 = EXINT, CK1 = GND, CK2 = TCK, CK3 = VDP INT
// ZC2 = EXCLK
MCFG_CENTRONICS_ADD(CENTRONICS_TAG, centronics_printers, "printer")
MCFG_CENTRONICS_BUSY_HANDLER(WRITELINE(m5_state, write_centronics_busy))
MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", CENTRONICS_TAG)
MCFG_CASSETTE_ADD("cassette")
MCFG_CASSETTE_FORMATS(sordm5_cassette_formats)
MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
MCFG_DEVICE_ADD(I8255A_TAG, I8255, 0)
MCFG_I8255_IN_PORTA_CB(READ8(m5_state, ppi_pa_r))
MCFG_I8255_OUT_PORTA_CB(WRITE8(m5_state, ppi_pa_w))
MCFG_I8255_OUT_PORTB_CB(WRITE8(m5_state, ppi_pb_w))
MCFG_I8255_IN_PORTC_CB(READ8(m5_state, ppi_pc_r))
MCFG_I8255_OUT_PORTC_CB(WRITE8(m5_state, ppi_pc_w))
MCFG_UPD765A_ADD(UPD765_TAG, true, true)
MCFG_UPD765_INTRQ_CALLBACK(INPUTLINE(Z80_FD5_TAG, INPUT_LINE_IRQ0))
MCFG_FLOPPY_DRIVE_ADD(UPD765_TAG ":0", m5_floppies, "525dd", m5_state::floppy_formats)
// cartridge
MCFG_CARTSLOT_ADD("cart")
MCFG_CARTSLOT_EXTENSION_LIST("bin,rom")
MCFG_CARTSLOT_MANDATORY
MCFG_CARTSLOT_INTERFACE("m5_cart")
// software lists
MCFG_SOFTWARE_LIST_ADD("cart_list", "m5")
// internal ram
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("4K")
MCFG_RAM_EXTRA_OPTIONS("36K,68K")
MACHINE_CONFIG_END
//-------------------------------------------------
// MACHINE_CONFIG_DERIVED( ntsc, m5 )
//-------------------------------------------------
static MACHINE_CONFIG_DERIVED( ntsc, m5 )
// video hardware
MCFG_DEVICE_ADD( "tms9928a", TMS9928A, XTAL_10_738635MHz / 2 )
MCFG_TMS9928A_VRAM_SIZE(0x4000)
MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(m5_state, sordm5_video_interrupt_callback))
MCFG_TMS9928A_SCREEN_ADD_NTSC( "screen" )
MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )
MACHINE_CONFIG_END
//-------------------------------------------------
// MACHINE_CONFIG_DERIVED( pal, m5 )
//-------------------------------------------------
static MACHINE_CONFIG_DERIVED( pal, m5 )
// video hardware
MCFG_DEVICE_ADD( "tms9928a", TMS9929A, XTAL_10_738635MHz / 2 )
MCFG_TMS9928A_VRAM_SIZE(0x4000)
MCFG_TMS9928A_OUT_INT_LINE_CB(WRITELINE(m5_state, sordm5_video_interrupt_callback))
MCFG_TMS9928A_SCREEN_ADD_PAL( "screen" )
MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update )
MACHINE_CONFIG_END
//**************************************************************************
// ROMS
//**************************************************************************
//-------------------------------------------------
// ROM( m5 )
//-------------------------------------------------
ROM_START( m5 )
ROM_REGION( 0x7000, Z80_TAG, ROMREGION_ERASEFF )
ROM_LOAD( "sordjap.ic21", 0x0000, 0x2000, CRC(92cf9353) SHA1(b0a4b3658fde68cb1f344dfb095bac16a78e9b3e) )
ROM_CART_LOAD( "cart", 0x2000, 0x5000, ROM_NOMIRROR | ROM_OPTIONAL )
ROM_REGION( 0x4000, Z80_FD5_TAG, 0 )
ROM_LOAD( "sordfd5.rom", 0x0000, 0x4000, CRC(7263bbc5) SHA1(b729500d3d2b2e807d384d44b76ea5ad23996f4a))
ROM_END
//-------------------------------------------------
// ROM( m5p )
//-------------------------------------------------
ROM_START( m5p )
ROM_REGION( 0x7000, Z80_TAG, ROMREGION_ERASEFF )
ROM_LOAD( "sordint.ic21", 0x0000, 0x2000, CRC(78848d39) SHA1(ac042c4ae8272ad6abe09ae83492ef9a0026d0b2) )
ROM_CART_LOAD( "cart", 0x2000, 0x5000, ROM_NOMIRROR | ROM_OPTIONAL )
ROM_REGION( 0x4000, Z80_FD5_TAG, 0 )
ROM_LOAD( "sordfd5.rom", 0x0000, 0x4000, CRC(7263bbc5) SHA1(b729500d3d2b2e807d384d44b76ea5ad23996f4a))
ROM_END
//**************************************************************************
// DRIVER INITIALIZATION
//**************************************************************************
//-------------------------------------------------
// ROM( ntsc )
//-------------------------------------------------
DRIVER_INIT_MEMBER(m5_state,ntsc)
{
}
//-------------------------------------------------
// ROM( pal )
//-------------------------------------------------
DRIVER_INIT_MEMBER(m5_state,pal)
{
}
//**************************************************************************
// SYSTEM DRIVERS
//**************************************************************************
// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS
COMP( 1983, m5, 0, 0, ntsc, m5, m5_state, ntsc, "Sord", "m.5 (Japan)", 0 )
COMP( 1983, m5p, m5, 0, pal, m5, m5_state, pal, "Sord", "m.5 (Europe)", 0 )