// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, Robbbert
/***************************************************************************
PK-8000
18/07/2009 Mostly working driver
12/05/2009 Skeleton driver.
****************************************************************************/
#include "emu.h"
#include "includes/pk8000.h"
#include "cpu/i8085/i8085.h"
#include "machine/i8255.h"
#include "imagedev/cassette.h"
#include "sound/spkrdev.h"
#include "sound/wave.h"
#include "machine/ram.h"
#include "screen.h"
#include "speaker.h"
#include "formats/fmsx_cas.h"
class pk8000_state : public pk8000_base_state
{
public:
pk8000_state(const machine_config &mconfig, device_type type, const char *tag)
: pk8000_base_state(mconfig, type, tag)
, m_cassette(*this, "cassette")
, m_ram(*this, RAM_TAG)
, m_speaker(*this, "speaker")
, m_region_maincpu(*this, "maincpu")
, m_bank1(*this, "bank1")
, m_bank2(*this, "bank2")
, m_bank3(*this, "bank3")
, m_bank4(*this, "bank4")
, m_bank5(*this, "bank5")
, m_bank6(*this, "bank6")
, m_bank7(*this, "bank7")
, m_bank8(*this, "bank8")
, m_io_joy1(*this, "JOY1")
, m_io_joy2(*this, "JOY2")
, m_keyboard(*this, "LINE%u", 0)
{ }
uint8_t m_keyboard_line;
DECLARE_READ8_MEMBER(joy_1_r);
DECLARE_READ8_MEMBER(joy_2_r);
DECLARE_WRITE8_MEMBER(_80_porta_w);
DECLARE_READ8_MEMBER(_80_portb_r);
DECLARE_WRITE8_MEMBER(_80_portc_w);
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(interrupt);
IRQ_CALLBACK_MEMBER(irq_callback);
void pk8000(machine_config &config);
void pk8000_io(address_map &map);
void pk8000_mem(address_map &map);
protected:
required_device<cassette_image_device> m_cassette;
required_device<ram_device> m_ram;
required_device<speaker_sound_device> m_speaker;
required_memory_region m_region_maincpu;
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_memory_bank m_bank5;
required_memory_bank m_bank6;
required_memory_bank m_bank7;
required_memory_bank m_bank8;
required_ioport m_io_joy1;
required_ioport m_io_joy2;
required_ioport_array<10> m_keyboard;
void set_bank(uint8_t data);
};
void pk8000_state::set_bank(uint8_t data)
{
uint8_t *rom = m_region_maincpu->base();
uint8_t *ram = m_ram->pointer();
uint8_t block1 = data & 3;
uint8_t block2 = (data >> 2) & 3;
uint8_t block3 = (data >> 4) & 3;
uint8_t block4 = (data >> 6) & 3;
switch(block1) {
case 0:
m_bank1->set_base(rom + 0x10000);
m_bank5->set_base(ram);
break;
case 1: break;
case 2: break;
case 3:
m_bank1->set_base(ram);
m_bank5->set_base(ram);
break;
}
switch(block2) {
case 0:
m_bank2->set_base(rom + 0x14000);
m_bank6->set_base(ram + 0x4000);
break;
case 1: break;
case 2: break;
case 3:
m_bank2->set_base(ram + 0x4000);
m_bank6->set_base(ram + 0x4000);
break;
}
switch(block3) {
case 0:
m_bank3->set_base(rom + 0x18000);
m_bank7->set_base(ram + 0x8000);
break;
case 1: break;
case 2: break;
case 3:
m_bank3->set_base(ram + 0x8000);
m_bank7->set_base(ram + 0x8000);
break;
}
switch(block4) {
case 0:
m_bank4->set_base(rom + 0x1c000);
m_bank8->set_base(ram + 0xc000);
break;
case 1: break;
case 2: break;
case 3:
m_bank4->set_base(ram + 0xc000);
m_bank8->set_base(ram + 0xc000);
break;
}
}
WRITE8_MEMBER(pk8000_state::_80_porta_w)
{
set_bank(data);
}
READ8_MEMBER(pk8000_state::_80_portb_r)
{
if(m_keyboard_line>9) {
return 0xff;
}
return m_keyboard[m_keyboard_line]->read();
}
WRITE8_MEMBER(pk8000_state::_80_portc_w)
{
m_keyboard_line = data & 0x0f;
m_speaker->level_w(BIT(data, 7));
m_cassette->change_state((BIT(data, 4)) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
m_cassette->output((BIT(data, 6)) ? +1.0 : 0.0);
}
READ8_MEMBER(pk8000_state::joy_1_r)
{
uint8_t retVal = (m_cassette->input() > 0.0038 ? 0x80 : 0);
retVal |= m_io_joy1->read() & 0x7f;
return retVal;
}
READ8_MEMBER(pk8000_state::joy_2_r)
{
uint8_t retVal = (m_cassette->input() > 0.0038 ? 0x80 : 0);
retVal |= m_io_joy2->read() & 0x7f;
return retVal;
}
void pk8000_state::pk8000_mem(address_map &map)
{
map.unmap_value_high();
map(0x0000, 0x3fff).bankr("bank1").bankw("bank5");
map(0x4000, 0x7fff).bankr("bank2").bankw("bank6");
map(0x8000, 0xbfff).bankr("bank3").bankw("bank7");
map(0xc000, 0xffff).bankr("bank4").bankw("bank8");
}
void pk8000_state::pk8000_io(address_map &map)
{
map.unmap_value_high();
map(0x80, 0x83).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x84, 0x87).rw("ppi8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x88, 0x88).rw(this, FUNC(pk8000_state::video_color_r), FUNC(pk8000_state::video_color_w));
map(0x8c, 0x8c).r(this, FUNC(pk8000_state::joy_1_r));
map(0x8d, 0x8d).r(this, FUNC(pk8000_state::joy_2_r));
map(0x90, 0x90).rw(this, FUNC(pk8000_state::text_start_r), FUNC(pk8000_state::text_start_w));
map(0x91, 0x91).rw(this, FUNC(pk8000_state::chargen_start_r), FUNC(pk8000_state::chargen_start_w));
map(0x92, 0x92).rw(this, FUNC(pk8000_state::video_start_r), FUNC(pk8000_state::video_start_w));
map(0x93, 0x93).rw(this, FUNC(pk8000_state::color_start_r), FUNC(pk8000_state::color_start_w));
map(0xa0, 0xbf).rw(this, FUNC(pk8000_state::color_r), FUNC(pk8000_state::color_w));
}
/* Input ports */
static INPUT_PORTS_START( pk8000 )
PORT_START("LINE0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7)
PORT_START("LINE1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("?") PORT_CODE(KEYCODE_SLASH)
PORT_START("LINE2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("|") PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("~") PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_MINUS_PAD)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B)
PORT_START("LINE3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J)
PORT_START("LINE4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R)
PORT_START("LINE5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
PORT_START("LINE6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rg") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Upr") PORT_CODE(KEYCODE_LCONTROL)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Graf") PORT_CODE(KEYCODE_F10)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alf") PORT_CODE(KEYCODE_F9)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("???") PORT_CODE(KEYCODE_LALT)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
PORT_START("LINE7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Stop") PORT_CODE(KEYCODE_F12)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("VSh") PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Sel") PORT_CODE(KEYCODE_RCONTROL)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER)
PORT_START("LINE8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Probel") PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cls") PORT_CODE(KEYCODE_HOME)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins") PORT_CODE(KEYCODE_INSERT)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_DEL)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
PORT_START("LINE9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up-Left") PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down-Right") PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Menu") PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Begin") PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("End") PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("End page") PORT_CODE(KEYCODE_PGDN)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Begin page") PORT_CODE(KEYCODE_PGUP)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("JOY1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(1)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(1)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(1)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(1)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(1)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("JOY2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP) PORT_PLAYER(2)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN) PORT_PLAYER(2)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT) PORT_PLAYER(2)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT) PORT_PLAYER(2)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_PLAYER(2)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_PLAYER(2)
PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END
INTERRUPT_GEN_MEMBER(pk8000_state::interrupt)
{
device.execute().set_input_line(0, HOLD_LINE);
}
IRQ_CALLBACK_MEMBER(pk8000_state::irq_callback)
{
return 0xff;
}
void pk8000_state::machine_start()
{
save_item(NAME(m_keyboard_line));
}
void pk8000_state::machine_reset()
{
set_bank(0);
}
void pk8000_state::video_start()
{
save_item(NAME(m_text_start));
save_item(NAME(m_chargen_start));
save_item(NAME(m_video_start));
save_item(NAME(m_color_start));
save_item(NAME(m_video_mode));
save_item(NAME(m_video_color));
save_item(NAME(m_color));
save_item(NAME(m_video_enable));
}
uint32_t pk8000_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return video_update(screen, bitmap, cliprect, m_ram->pointer());
}
MACHINE_CONFIG_START(pk8000_state::pk8000)
/* basic machine hardware */
MCFG_DEVICE_ADD("maincpu",I8080, 1780000)
MCFG_DEVICE_PROGRAM_MAP(pk8000_mem)
MCFG_DEVICE_IO_MAP(pk8000_io)
MCFG_DEVICE_VBLANK_INT_DRIVER("screen", pk8000_state, interrupt)
MCFG_DEVICE_IRQ_ACKNOWLEDGE_DRIVER(pk8000_state, irq_callback)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
MCFG_SCREEN_SIZE(256+32, 192+32)
MCFG_SCREEN_VISIBLE_AREA(0, 256+32-1, 0, 192+32-1)
MCFG_SCREEN_UPDATE_DRIVER(pk8000_state, screen_update)
MCFG_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 16)
MCFG_PALETTE_INIT_OWNER(pk8000_base_state, pk8000)
MCFG_DEVICE_ADD("ppi8255_1", I8255, 0)
MCFG_I8255_OUT_PORTA_CB(WRITE8(*this, pk8000_state, _80_porta_w))
MCFG_I8255_IN_PORTB_CB(READ8(*this, pk8000_state, _80_portb_r))
MCFG_I8255_OUT_PORTC_CB(WRITE8(*this, pk8000_state, _80_portc_w))
MCFG_DEVICE_ADD("ppi8255_2", I8255, 0)
MCFG_I8255_IN_PORTA_CB(READ8(*this, pk8000_base_state, _84_porta_r))
MCFG_I8255_OUT_PORTA_CB(WRITE8(*this, pk8000_base_state, _84_porta_w))
MCFG_I8255_OUT_PORTC_CB(WRITE8(*this, pk8000_base_state, _84_portc_w))
/* audio hardware */
SPEAKER(config, "mono").front_center();
SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.50);
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
MCFG_CASSETTE_ADD( "cassette" )
MCFG_CASSETTE_FORMATS(fmsx_cassette_formats)
MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
/* internal ram */
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("64K")
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( vesta )
ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "vesta.rom", 0x10000, 0x4000, CRC(fbf7e2cc) SHA1(4bc5873066124bd926c3c6aa2fd1a062c87af339))
ROM_END
ROM_START( hobby )
ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "hobby.rom", 0x10000, 0x4000, CRC(a25b4b2c) SHA1(0d86e6e4be8d1aa389bfa9dd79e3604a356729f7))
ROM_END
ROM_START( pk8002 )
ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
ROM_LOAD( "pk8002.rom", 0x10000, 0x4000, CRC(07b9ae71) SHA1(2137a41cc095c7aba58b7b109fce63f30a4568b2))
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1987, vesta, 0, 0, pk8000, pk8000, pk8000_state, empty_init, "BP EVM", "PK8000 Vesta", 0 )
COMP( 1987, hobby, vesta, 0, pk8000, pk8000, pk8000_state, empty_init, "BP EVM", "PK8000 Sura/Hobby", 0 )
COMP( 1987, pk8002, vesta, 0, pk8000, pk8000, pk8000_state, empty_init, "<unknown>", "PK8002 Elf", MACHINE_NOT_WORKING )