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-rw-r--r--src/mess/drivers/psion.c663
1 files changed, 663 insertions, 0 deletions
diff --git a/src/mess/drivers/psion.c b/src/mess/drivers/psion.c
new file mode 100644
index 00000000000..f070e9a2d47
--- /dev/null
+++ b/src/mess/drivers/psion.c
@@ -0,0 +1,663 @@
+/***************************************************************************
+
+ Psion Organiser II series
+
+ Driver by Sandro Ronco
+
+ TODO:
+ - dump CGROM of the HD44780
+ - emulate other devices in slot C(Comms Link, printer)
+
+ Note:
+ - 4 lines display has an custom LCD controller derived from an HD66780
+ - NVRAM works only if the machine is turned off (with OFF menu) before closing MESS
+
+ More info:
+ http://archive.psion2.org/org2/techref/index.htm
+
+****************************************************************************/
+
+
+#include "emu.h"
+#include "includes/psion.h"
+#include "rendlay.h"
+
+static TIMER_DEVICE_CALLBACK( nmi_timer )
+{
+ psion_state *state = timer.machine().driver_data<psion_state>();
+
+ if (state->m_enable_nmi)
+ cputag_set_input_line(timer.machine(), "maincpu", INPUT_LINE_NMI, PULSE_LINE);
+}
+
+UINT8 psion_state::kb_read(running_machine &machine)
+{
+ static const char *const bitnames[] = {"K1", "K2", "K3", "K4", "K5", "K6", "K7"};
+ UINT8 line, data = 0x7c;
+
+ if (m_kb_counter)
+ {
+ for (line = 0; line < 7; line++)
+ if (m_kb_counter == (0x7f & ~(1 << line)))
+ data = machine.root_device().ioport(bitnames[line])->read();
+ }
+ else
+ {
+ //Read all the input lines
+ for (line = 0; line < 7; line++)
+ data &= machine.root_device().ioport(bitnames[line])->read();
+ }
+
+ return data & 0x7c;
+}
+
+void psion_state::update_banks(running_machine &machine)
+{
+ psion_state *state = machine.driver_data<psion_state>();
+ if (m_ram_bank < m_ram_bank_count && m_ram_bank_count)
+ state->membank("rambank")->set_entry(m_ram_bank);
+
+ if (m_rom_bank < m_rom_bank_count && m_rom_bank_count)
+ state->membank("rombank")->set_entry(m_rom_bank);
+}
+
+WRITE8_MEMBER( psion_state::hd63701_int_reg_w )
+{
+ switch (offset)
+ {
+ case 0x01:
+ m_port2_ddr = data;
+ break;
+ case 0x03:
+ /* datapack i/o data bus */
+ m_pack1->data_w(data & m_port2_ddr);
+ m_pack2->data_w(data & m_port2_ddr);
+ break;
+ case 0x08:
+ m_tcsr_value = data;
+ break;
+ case 0x15:
+ /* read-only */
+ break;
+ case 0x16:
+ m_port6_ddr = data;
+ break;
+ case 0x17:
+ /*
+ datapack control lines
+ x--- ---- slot on/off
+ -x-- ---- slot 3
+ --x- ---- slot 2
+ ---x ---- slot 1
+ ---- x--- output enable
+ ---- -x-- program line
+ ---- --x- reset line
+ ---- ---x clock line
+ */
+ m_port6 = (data & m_port6_ddr) | (m_port6 & ~m_port6_ddr);
+
+ m_pack1->control_w((m_port6 & 0x8f) | (m_port6 & 0x10));
+ m_pack2->control_w((m_port6 & 0x8f) | ((m_port6 & 0x20) >> 1));
+ break;
+ }
+
+ m6801_io_w(&space, offset, data);
+}
+
+READ8_MEMBER( psion_state::hd63701_int_reg_r )
+{
+ switch (offset)
+ {
+ case 0x03:
+ /* datapack i/o data bus */
+ return (m_pack1->data_r() | m_pack2->data_r()) & (~m_port2_ddr);
+ case 0x14:
+ return (m6801_io_r(&space, offset)&0x7f) | (m_stby_pwr<<7);
+ case 0x15:
+ /*
+ x--- ---- ON key active high
+ -xxx xx-- keys matrix active low
+ ---- --x- pulse
+ ---- ---x battery status
+ */
+ return kb_read(machine()) | ioport("BATTERY")->read() | ioport("ON")->read() | (m_kb_counter == 0x7ff)<<1 | m_pulse<<1;
+ case 0x17:
+ /* datapack control lines */
+ return (m_pack1->control_r() | (m_pack2->control_r() & 0x8f)) | ((m_pack2->control_r() & 0x10)<<1);
+ case 0x08:
+ m6801_io_w(&space, offset, m_tcsr_value);
+ default:
+ return m6801_io_r(&space, offset);
+ }
+}
+
+/* Read/Write common */
+void psion_state::io_rw(address_space &space, UINT16 offset)
+{
+ if (space.debugger_access())
+ return;
+
+ switch (offset & 0xffc0)
+ {
+ case 0xc0:
+ /* switch off, CPU goes into standby mode */
+ m_enable_nmi = 0;
+ m_stby_pwr = 1;
+ space.machine().device<cpu_device>("maincpu")->suspend(SUSPEND_REASON_HALT, 1);
+ break;
+ case 0x100:
+ m_pulse = 1;
+ break;
+ case 0x140:
+ m_pulse = 0;
+ break;
+ case 0x200:
+ m_kb_counter = 0;
+ break;
+ case 0x180:
+ beep_set_state(m_beep, 1);
+ break;
+ case 0x1c0:
+ beep_set_state(m_beep, 0);
+ break;
+ case 0x240:
+ if (offset == 0x260 && (m_rom_bank_count || m_ram_bank_count))
+ {
+ m_ram_bank=0;
+ m_rom_bank=0;
+ update_banks(machine());
+ }
+ else
+ m_kb_counter++;
+ break;
+ case 0x280:
+ if (offset == 0x2a0 && m_ram_bank_count)
+ {
+ m_ram_bank++;
+ update_banks(machine());
+ }
+ else
+ m_enable_nmi = 1;
+ break;
+ case 0x2c0:
+ if (offset == 0x2e0 && m_rom_bank_count)
+ {
+ m_rom_bank++;
+ update_banks(machine());
+ }
+ else
+ m_enable_nmi = 0;
+ break;
+ }
+}
+
+WRITE8_MEMBER( psion_state::io_w )
+{
+ switch (offset & 0x0ffc0)
+ {
+ case 0x80:
+ if (offset & 1)
+ m_lcdc->data_write(space, offset, data);
+ else
+ m_lcdc->control_write(space, offset, data);
+ break;
+ default:
+ io_rw(space, offset);
+ }
+}
+
+READ8_MEMBER( psion_state::io_r )
+{
+ switch (offset & 0xffc0)
+ {
+ case 0x80:
+ if (offset & 1)
+ return m_lcdc->data_read(space, offset);
+ else
+ return m_lcdc->control_read(space, offset);
+ default:
+ io_rw(space, offset);
+ }
+
+ return 0;
+}
+
+static INPUT_CHANGED( psion_on )
+{
+ cpu_device *cpu = field.machine().device<cpu_device>("maincpu");
+
+ /* reset the CPU for resume from standby */
+ if (cpu->suspended(SUSPEND_REASON_HALT))
+ cpu->reset();
+}
+
+static ADDRESS_MAP_START(psioncm_mem, AS_PROGRAM, 8, psion_state)
+ ADDRESS_MAP_UNMAP_LOW
+ AM_RANGE(0x0000, 0x001f) AM_READWRITE(hd63701_int_reg_r, hd63701_int_reg_w)
+ AM_RANGE(0x0040, 0x00ff) AM_RAM AM_SHARE("sys_register")
+ AM_RANGE(0x0100, 0x03ff) AM_READWRITE(io_r, io_w)
+ AM_RANGE(0x2000, 0x3fff) AM_RAM AM_SHARE("ram")
+ AM_RANGE(0x8000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(psionla_mem, AS_PROGRAM, 8, psion_state)
+ ADDRESS_MAP_UNMAP_LOW
+ AM_RANGE(0x0000, 0x001f) AM_READWRITE(hd63701_int_reg_r, hd63701_int_reg_w)
+ AM_RANGE(0x0040, 0x00ff) AM_RAM AM_SHARE("sys_register")
+ AM_RANGE(0x0100, 0x03ff) AM_READWRITE(io_r, io_w)
+ AM_RANGE(0x0400, 0x5fff) AM_RAM AM_SHARE("ram")
+ AM_RANGE(0x8000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(psionp350_mem, AS_PROGRAM, 8, psion_state)
+ ADDRESS_MAP_UNMAP_LOW
+ AM_RANGE(0x0000, 0x001f) AM_READWRITE(hd63701_int_reg_r, hd63701_int_reg_w)
+ AM_RANGE(0x0040, 0x00ff) AM_RAM AM_SHARE("sys_register")
+ AM_RANGE(0x0100, 0x03ff) AM_READWRITE(io_r, io_w)
+ AM_RANGE(0x0400, 0x3fff) AM_RAM AM_SHARE("ram")
+ AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("rambank")
+ AM_RANGE(0x8000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(psionlam_mem, AS_PROGRAM, 8, psion_state)
+ ADDRESS_MAP_UNMAP_LOW
+ AM_RANGE(0x0000, 0x001f) AM_READWRITE(hd63701_int_reg_r, hd63701_int_reg_w)
+ AM_RANGE(0x0040, 0x00ff) AM_RAM AM_SHARE("sys_register")
+ AM_RANGE(0x0100, 0x03ff) AM_READWRITE(io_r, io_w)
+ AM_RANGE(0x0400, 0x7fff) AM_RAM AM_SHARE("ram")
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("rombank")
+ AM_RANGE(0xc000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(psionlz_mem, AS_PROGRAM, 8, psion_state)
+ ADDRESS_MAP_UNMAP_LOW
+ AM_RANGE(0x0000, 0x001f) AM_READWRITE(hd63701_int_reg_r, hd63701_int_reg_w)
+ AM_RANGE(0x0040, 0x00ff) AM_RAM AM_SHARE("sys_register")
+ AM_RANGE(0x0100, 0x03ff) AM_READWRITE(io_r, io_w)
+ AM_RANGE(0x0400, 0x3fff) AM_RAM AM_SHARE("ram")
+ AM_RANGE(0x4000, 0x7fff) AM_RAMBANK("rambank")
+ AM_RANGE(0x8000, 0xbfff) AM_ROMBANK("rombank")
+ AM_RANGE(0xc000, 0xffff) AM_ROM
+ADDRESS_MAP_END
+
+/* Input ports */
+INPUT_PORTS_START( psion )
+ PORT_START("BATTERY")
+ PORT_CONFNAME( 0x01, 0x00, "Battery Status" )
+ PORT_CONFSETTING( 0x00, DEF_STR( Normal ) )
+ PORT_CONFSETTING( 0x01, "Low Battery" )
+
+ PORT_START("ON")
+ PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ON/CLEAR") PORT_CODE(KEYCODE_MINUS) PORT_CHANGED(psion_on, 0)
+
+ PORT_START("K1")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("MODE") PORT_CODE(KEYCODE_EQUALS)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Up [CAP]") PORT_CODE(KEYCODE_UP)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Down [NUM]") PORT_CODE(KEYCODE_DOWN)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT)
+
+ PORT_START("K2")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S [;]") PORT_CODE(KEYCODE_S)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M [,]") PORT_CODE(KEYCODE_M)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G [=]") PORT_CODE(KEYCODE_G)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A [<]") PORT_CODE(KEYCODE_A)
+
+ PORT_START("K3")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T [:]") PORT_CODE(KEYCODE_T)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N [$]") PORT_CODE(KEYCODE_N)
+ 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("B [>]") PORT_CODE(KEYCODE_B)
+
+ PORT_START("K4")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y [0]") PORT_CODE(KEYCODE_Y)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U [1]") PORT_CODE(KEYCODE_U)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O [4]") PORT_CODE(KEYCODE_O)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I [7]") PORT_CODE(KEYCODE_I)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C [(]") PORT_CODE(KEYCODE_C)
+
+ PORT_START("K5")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W [3]") PORT_CODE(KEYCODE_W)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q [6]") PORT_CODE(KEYCODE_Q)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K [9]") PORT_CODE(KEYCODE_K)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E [%]") PORT_CODE(KEYCODE_E)
+
+ PORT_START("K6")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("EXE") PORT_CODE(KEYCODE_ENTER)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X [+]") PORT_CODE(KEYCODE_X)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R [-]") PORT_CODE(KEYCODE_R)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L [*]") PORT_CODE(KEYCODE_L)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F [/]") PORT_CODE(KEYCODE_F)
+
+ PORT_START("K7")
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z [.]") PORT_CODE(KEYCODE_Z)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V [2]") PORT_CODE(KEYCODE_V)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P [5]") PORT_CODE(KEYCODE_P)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J [8]") PORT_CODE(KEYCODE_J)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D [)]") PORT_CODE(KEYCODE_D)
+INPUT_PORTS_END
+
+static NVRAM_HANDLER( psion )
+{
+ psion_state *state = machine.driver_data<psion_state>();
+
+ if (read_or_write)
+ {
+ file->write(state->m_sys_register, 0xc0);
+ file->write(state->m_ram, state->m_ram.bytes());
+ if (state->m_ram_bank_count)
+ file->write(state->m_paged_ram, state->m_ram_bank_count * 0x4000);
+ }
+ else
+ {
+ if (file)
+ {
+ file->read(state->m_sys_register, 0xc0);
+ file->read(state->m_ram, state->m_ram.bytes());
+ if (state->m_ram_bank_count)
+ file->read(state->m_paged_ram, state->m_ram_bank_count * 0x4000);
+
+ //warm start
+ state->m_stby_pwr = 1;
+ }
+ else
+ //cold start
+ state->m_stby_pwr = 0;
+ }
+}
+
+void psion_state::machine_start()
+{
+ if (!strcmp(machine().system().name, "psionlam"))
+ {
+ m_rom_bank_count = 3;
+ m_ram_bank_count = 0;
+ }
+ else if (!strcmp(machine().system().name, "psionp350"))
+ {
+ m_rom_bank_count = 0;
+ m_ram_bank_count = 5;
+ }
+ else if (!strncmp(machine().system().name, "psionlz", 7))
+ {
+ m_rom_bank_count = 3;
+ m_ram_bank_count = 3;
+ }
+ else if (!strcmp(machine().system().name, "psionp464"))
+ {
+ m_rom_bank_count = 3;
+ m_ram_bank_count = 9;
+ }
+ else
+ {
+ m_rom_bank_count = 0;
+ m_ram_bank_count = 0;
+ }
+
+ if (m_rom_bank_count)
+ {
+ UINT8* rom_base = (UINT8 *)machine().root_device().memregion("maincpu")->base();
+
+ membank("rombank")->configure_entry(0, rom_base + 0x8000);
+ membank("rombank")->configure_entries(1, m_rom_bank_count-1, rom_base + 0x10000, 0x4000);
+ membank("rombank")->set_entry(0);
+ }
+
+ if (m_ram_bank_count)
+ {
+ m_paged_ram = auto_alloc_array(machine(), UINT8, m_ram_bank_count * 0x4000);
+ membank("rambank")->configure_entries(0, m_ram_bank_count, m_paged_ram, 0x4000);
+ membank("rambank")->set_entry(0);
+ }
+
+ save_item(NAME(m_kb_counter));
+ save_item(NAME(m_enable_nmi));
+ save_item(NAME(m_tcsr_value));
+ save_item(NAME(m_stby_pwr));
+ save_item(NAME(m_pulse));
+ save_item(NAME(m_rom_bank));
+ save_item(NAME(m_ram_bank));
+ save_item(NAME(m_port2_ddr));
+ save_item(NAME(m_port2));
+ save_item(NAME(m_port6_ddr));
+ save_item(NAME(m_port6));
+ save_pointer(NAME(m_paged_ram), m_ram_bank_count * 0x4000);
+}
+
+void psion_state::machine_reset()
+{
+ m_enable_nmi=0;
+ m_kb_counter=0;
+ m_ram_bank=0;
+ m_rom_bank=0;
+ m_pulse=0;
+
+ if (m_rom_bank_count || m_ram_bank_count)
+ update_banks(machine());
+}
+
+static PALETTE_INIT( psion )
+{
+ palette_set_color(machine, 0, MAKE_RGB(138, 146, 148));
+ palette_set_color(machine, 1, MAKE_RGB(92, 83, 88));
+}
+
+static const gfx_layout psion_charlayout =
+{
+ 5, 8, /* 5 x 8 characters */
+ 256, /* 256 characters */
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ { 3, 4, 5, 6, 7},
+ { 0, 8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8},
+ 8*8 /* 8 bytes */
+};
+
+static GFXDECODE_START( psion )
+ GFXDECODE_ENTRY( "hd44780", 0x0000, psion_charlayout, 0, 1 )
+GFXDECODE_END
+
+static HD44780_INTERFACE( psion_2line_display )
+{
+ 2, // number of lines
+ 16 // chars for line
+};
+
+/* basic configuration for 2 lines display */
+static MACHINE_CONFIG_START( psion_2lines, psion_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", HD63701, 980000) // should be HD6303 at 0.98MHz
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update)
+ MCFG_SCREEN_SIZE(6*16, 9*2)
+ MCFG_SCREEN_VISIBLE_AREA(0, 6*16-1, 0, 9*2-1)
+ MCFG_DEFAULT_LAYOUT(layout_lcd)
+ MCFG_PALETTE_LENGTH(2)
+ MCFG_PALETTE_INIT(psion)
+ MCFG_GFXDECODE(psion)
+
+ MCFG_HD44780_ADD("hd44780", psion_2line_display)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO( "mono" )
+ MCFG_SOUND_ADD( BEEPER_TAG, BEEP, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 )
+
+ MCFG_NVRAM_HANDLER(psion)
+
+ MCFG_TIMER_ADD_PERIODIC("nmi_timer", nmi_timer, attotime::from_seconds(1))
+
+ /* Datapack */
+ MCFG_PSION_DATAPACK_ADD("pack1")
+ MCFG_PSION_DATAPACK_ADD("pack2")
+
+ /* Software lists */
+ MCFG_SOFTWARE_LIST_ADD("pack_list", "psion")
+MACHINE_CONFIG_END
+
+
+static HD44780_INTERFACE( psion_4line_display )
+{
+ 4, // number of lines
+ 20 // chars for line
+};
+
+/* basic configuration for 4 lines display */
+static MACHINE_CONFIG_START( psion_4lines, psion_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu",HD63701, 980000) // should be HD6303 at 0.98MHz
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update)
+ MCFG_SCREEN_SIZE(6*20, 9*4)
+ MCFG_SCREEN_VISIBLE_AREA(0, 6*20-1, 0, 9*4-1)
+ MCFG_DEFAULT_LAYOUT(layout_lcd)
+ MCFG_PALETTE_LENGTH(2)
+ MCFG_PALETTE_INIT(psion)
+ MCFG_GFXDECODE(psion)
+
+ MCFG_PSION_CUSTOM_LCDC_ADD("hd44780", psion_4line_display)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO( "mono" )
+ MCFG_SOUND_ADD( BEEPER_TAG, BEEP, 0 )
+ MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 )
+
+ MCFG_NVRAM_HANDLER(psion)
+
+ MCFG_TIMER_ADD_PERIODIC("nmi_timer", nmi_timer, attotime::from_seconds(1))
+
+ /* Datapack */
+ MCFG_PSION_DATAPACK_ADD("pack1")
+ MCFG_PSION_DATAPACK_ADD("pack2")
+
+ /* Software lists */
+ MCFG_SOFTWARE_LIST_ADD("pack_list", "psion")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( psioncm, psion_2lines )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(psioncm_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( psionla, psion_2lines )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(psionla_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( psionlam, psion_2lines )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(psionlam_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( psionp350, psion_2lines )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(psionp350_mem)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( psionlz, psion_4lines )
+
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(psionlz_mem)
+MACHINE_CONFIG_END
+
+/* ROM definition */
+ROM_START( psioncm )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v24", "CM v2.4")
+ ROMX_LOAD( "24-cm.dat", 0x8000, 0x8000, CRC(f6798394) SHA1(736997f0db9a9ee50d6785636bdc3f8ff1c33c66), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionla )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v33", "LA v3.3")
+ ROMX_LOAD( "33-la.dat", 0x8000, 0x8000, CRC(02668ed4) SHA1(e5d4ee6b1cde310a2970ffcc6f29a0ce09b08c46), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionp350 )
+ ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v36", "POS350 v3.6")
+ ROMX_LOAD( "36-p350.dat", 0x8000, 0x8000, CRC(3a371a74) SHA1(9167210b2c0c3bd196afc08ca44ab23e4e62635e), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS(1, "v38", "POS350 v3.8")
+ ROMX_LOAD( "38-p350.dat", 0x8000, 0x8000, CRC(1b8b082f) SHA1(a3e875a59860e344f304a831148a7980f28eaa4a), ROM_BIOS(2))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionlam )
+ ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v37", "LA v3.7")
+ ROMX_LOAD( "37-lam.dat", 0x8000, 0x10000, CRC(7ee3a1bc) SHA1(c7fbd6c8e47c9b7d5f636e9f56e911b363d6796b), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionlz64 )
+ ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v44", "LZ64 v4.4")
+ ROMX_LOAD( "44-lz64.dat", 0x8000, 0x10000, CRC(aa487913) SHA1(5a44390f63fc8c1bc94299ab2eb291bc3a5b989a), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionlz64s )
+ ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v46", "LZ64 v4.6")
+ ROMX_LOAD( "46-lz64s.dat", 0x8000, 0x10000, CRC(328d9772) SHA1(7f9e2d591d59ecfb0822d7067c2fe59542ea16dd), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionlz )
+ ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v46", "LZ v4.6")
+ ROMX_LOAD( "46-lz.dat", 0x8000, 0x10000, CRC(22715f48) SHA1(cf460c81cadb53eddb7afd8dadecbe8c38ea3fc2), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+ROM_START( psionp464 )
+ ROM_REGION( 0x18000, "maincpu", ROMREGION_ERASEFF )
+ ROM_SYSTEM_BIOS(0, "v46", "POS464 v4.6")
+ ROMX_LOAD( "46-p464.dat", 0x8000, 0x10000, CRC(672a0945) SHA1(d2a6e3fe1019d1bd7ae4725e33a0b9973f8cd7d8), ROM_BIOS(1))
+
+ ROM_REGION( 0x0860, "hd44780", ROMREGION_ERASE )
+ ROM_LOAD( "44780a00.bin", 0x0000, 0x0860, BAD_DUMP CRC(3a89024c) SHA1(5a87b68422a916d1b37b5be1f7ad0b3fb3af5a8d))
+ROM_END
+
+/* Driver */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
+COMP( 1986, psioncm, 0, 0, psioncm, psion, driver_device, 0, "Psion", "Organiser II CM", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1986, psionla, psioncm, 0, psionla, psion, driver_device, 0, "Psion", "Organiser II LA", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1986, psionp350, psioncm, 0, psionp350, psion, driver_device, 0, "Psion", "Organiser II P350", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1986, psionlam, psioncm, 0, psionlam, psion, driver_device, 0, "Psion", "Organiser II LAM", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1989, psionlz, 0, 0, psionlz, psion, driver_device, 0, "Psion", "Organiser II LZ", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1989, psionlz64, psionlz, 0, psionlz, psion, driver_device, 0, "Psion", "Organiser II LZ64", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1989, psionlz64s, psionlz, 0, psionlz, psion, driver_device, 0, "Psion", "Organiser II LZ64S", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)
+COMP( 1989, psionp464, psionlz, 0, psionlz, psion, driver_device, 0, "Psion", "Organiser II P464", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_GRAPHICS)