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-rw-r--r--src/mame/drivers/apricot.cpp509
1 files changed, 509 insertions, 0 deletions
diff --git a/src/mame/drivers/apricot.cpp b/src/mame/drivers/apricot.cpp
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index 00000000000..575c2672c02
--- /dev/null
+++ b/src/mame/drivers/apricot.cpp
@@ -0,0 +1,509 @@
+// license:GPL-2.0+
+// copyright-holders:Dirk Best
+/***************************************************************************
+
+ ACT Apricot PC/Xi
+
+ - Error 29 (timer failed)
+ - Dump of the keyboard MCU ROM needed (can be dumped using test mode)
+
+***************************************************************************/
+
+#include "cpu/i86/i86.h"
+#include "cpu/i8089/i8089.h"
+#include "machine/ram.h"
+#include "machine/pit8253.h"
+#include "machine/i8255.h"
+#include "machine/pic8259.h"
+#include "machine/z80dart.h"
+#include "machine/wd_fdc.h"
+#include "video/mc6845.h"
+#include "sound/sn76496.h"
+#include "machine/apricotkb_hle.h"
+#include "imagedev/flopdrv.h"
+#include "formats/apridisk.h"
+#include "bus/centronics/ctronics.h"
+#include "bus/rs232/rs232.h"
+#include "bus/apricot/expansion.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class apricot_state : public driver_device
+{
+public:
+ apricot_state(const machine_config &mconfig, device_type type, const char *tag) :
+ driver_device(mconfig, type, tag),
+ m_cpu(*this, "ic91"),
+ m_iop(*this, "ic71"),
+ m_ram(*this, RAM_TAG),
+ m_crtc(*this, "ic30"),
+ m_ppi(*this, "ic17"),
+ m_pic(*this, "ic31"),
+ m_pit(*this, "ic16"),
+ m_sio(*this, "ic15"),
+ m_rs232(*this, "rs232"),
+ m_centronics(*this, "centronics"),
+ m_fdc(*this, "ic68"),
+ m_floppy0(*this, "ic68:0"),
+ m_floppy1(*this, "ic68:1"),
+ m_palette(*this, "palette"),
+ m_screen_buffer(*this, "screen_buffer"),
+ m_data_selector_dtr(1),
+ m_data_selector_rts(1),
+ m_video_mode(0),
+ m_display_on(1),
+ m_display_enabled(0),
+ m_centronics_fault(1),
+ m_centronics_perror(1),
+ m_bus_locked(0)
+ { }
+
+ DECLARE_FLOPPY_FORMATS(floppy_formats);
+
+ DECLARE_WRITE_LINE_MEMBER(i8086_lock_w);
+ DECLARE_WRITE8_MEMBER(i8089_ca1_w);
+ DECLARE_WRITE8_MEMBER(i8089_ca2_w);
+ DECLARE_WRITE8_MEMBER(i8255_portb_w);
+ DECLARE_READ8_MEMBER(i8255_portc_r);
+ DECLARE_WRITE8_MEMBER(i8255_portc_w);
+ DECLARE_WRITE_LINE_MEMBER(timer_out1);
+ DECLARE_WRITE_LINE_MEMBER(timer_out2);
+ DECLARE_WRITE_LINE_MEMBER(fdc_intrq_w);
+ DECLARE_READ8_MEMBER(sio_da_r);
+ DECLARE_READ8_MEMBER(sio_ca_r);
+ DECLARE_READ8_MEMBER(sio_db_r);
+ DECLARE_READ8_MEMBER(sio_cb_r);
+
+ DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
+ DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
+
+ DECLARE_WRITE_LINE_MEMBER(apricot_mc6845_de) { m_display_enabled = state; };
+
+ DECLARE_WRITE_LINE_MEMBER(data_selector_dtr_w) { m_data_selector_dtr = state; };
+ DECLARE_WRITE_LINE_MEMBER(data_selector_rts_w) { m_data_selector_rts = state; };
+
+ MC6845_UPDATE_ROW(crtc_update_row);
+ UINT32 screen_update_apricot(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+protected:
+ virtual void machine_start();
+
+private:
+ required_device<i8086_cpu_device> m_cpu;
+ required_device<i8089_device> m_iop;
+ required_device<ram_device> m_ram;
+ required_device<mc6845_device> m_crtc;
+ required_device<i8255_device> m_ppi;
+ required_device<pic8259_device> m_pic;
+ required_device<pit8253_device> m_pit;
+ required_device<z80sio0_device> m_sio;
+ required_device<rs232_port_device> m_rs232;
+ required_device<centronics_device> m_centronics;
+ required_device<wd2797_t> m_fdc;
+ required_device<floppy_connector> m_floppy0;
+ required_device<floppy_connector> m_floppy1;
+ required_device<palette_device> m_palette;
+ required_shared_ptr<UINT16> m_screen_buffer;
+
+ int m_data_selector_dtr;
+ int m_data_selector_rts;
+
+ bool m_video_mode;
+ bool m_display_on;
+
+ int m_display_enabled;
+
+ int m_centronics_fault;
+ int m_centronics_perror;
+
+ int m_bus_locked;
+};
+
+
+//**************************************************************************
+// I/O
+//**************************************************************************
+
+WRITE8_MEMBER( apricot_state::i8089_ca1_w )
+{
+ m_iop->sel_w(0);
+ m_iop->ca_w(1);
+ m_iop->ca_w(0);
+}
+
+WRITE8_MEMBER( apricot_state::i8089_ca2_w )
+{
+ m_iop->sel_w(1);
+ m_iop->ca_w(1);
+ m_iop->ca_w(0);
+}
+
+WRITE_LINE_MEMBER( apricot_state::write_centronics_fault )
+{
+ m_centronics_fault = state;
+ m_sio->syncb_w(state);
+ m_ppi->pc2_w(state);
+}
+
+WRITE_LINE_MEMBER( apricot_state::write_centronics_perror )
+{
+ m_centronics_perror = state;
+}
+
+READ8_MEMBER( apricot_state::i8255_portc_r )
+{
+ UINT8 data = 0;
+
+ data |= m_centronics_perror << 0;
+ // schematic page 294 says pc1 is centronics pin 34, which is n/c.
+ data |= m_centronics_fault << 2;
+ data |= m_display_enabled << 3;
+
+ return data;
+}
+
+WRITE8_MEMBER( apricot_state::i8255_portb_w )
+{
+ // bit 0, crt reset
+ // bit 1, not connected
+
+ m_display_on = BIT(data, 3);
+ m_video_mode = BIT(data, 4);
+
+ floppy_image_device *floppy = NULL;
+
+ // bit 5, enable disk select
+ // bit 6, disk select
+ if (!BIT(data, 5))
+ floppy = BIT(data, 6) ? m_floppy1->get_device() : m_floppy0->get_device();
+
+ m_fdc->set_floppy(floppy);
+
+ // bit 2, head load (motor on is wired to be active once a disk has been inserted)
+ // we just let the motor run all the time for now
+ if (floppy)
+ floppy->mon_w(0);
+
+ // switch video modes
+ m_crtc->set_clock(m_video_mode ? XTAL_15MHz / 10 : XTAL_15MHz / 16);
+ m_crtc->set_hpixels_per_column(m_video_mode ? 10 : 16);
+
+ // PB7 Centronics transceiver direction. 0 = output, 1 = input
+}
+
+WRITE8_MEMBER( apricot_state::i8255_portc_w )
+{
+// schematic page 294 says pc4 outputs to centronics pin 13, which is the "select" output from the printer.
+ m_centronics->write_strobe(BIT(data, 5));
+// schematic page 294 says pc6 outputs to centronics pin 15, which is unused
+}
+
+WRITE_LINE_MEMBER( apricot_state::timer_out1 )
+{
+ // receive clock via timer 1
+ if (m_data_selector_rts == 0 && m_data_selector_dtr == 0)
+ m_sio->rxca_w(state);
+}
+
+WRITE_LINE_MEMBER( apricot_state::timer_out2 )
+{
+ // transmit clock via timer 2
+ if (m_data_selector_rts == 0 && m_data_selector_dtr == 0)
+ m_sio->txca_w(state);
+
+ // transmit and receive clock via timer 2
+ if (m_data_selector_rts == 1 && m_data_selector_dtr == 0)
+ {
+ m_sio->txca_w(state);
+ m_sio->rxca_w(state);
+ }
+}
+
+READ8_MEMBER( apricot_state::sio_da_r )
+{
+ if (m_bus_locked)
+ return m_sio->m1_r();
+
+ return m_sio->da_r(space, offset);
+}
+
+READ8_MEMBER( apricot_state::sio_ca_r )
+{
+ if (m_bus_locked)
+ return m_sio->m1_r();
+
+ return m_sio->ca_r(space, offset);
+}
+
+READ8_MEMBER( apricot_state::sio_cb_r )
+{
+ if (m_bus_locked)
+ return m_sio->m1_r();
+
+ return m_sio->cb_r(space, offset);
+}
+
+READ8_MEMBER( apricot_state::sio_db_r )
+{
+ if (m_bus_locked)
+ return m_sio->m1_r();
+
+ return m_sio->db_r(space, offset);
+}
+
+
+//**************************************************************************
+// FLOPPY
+//**************************************************************************
+
+WRITE_LINE_MEMBER( apricot_state::fdc_intrq_w )
+{
+ m_pic->ir4_w(state);
+ m_iop->ext1_w(state);
+}
+
+FLOPPY_FORMATS_MEMBER( apricot_state::floppy_formats )
+ FLOPPY_APRIDISK_FORMAT
+FLOPPY_FORMATS_END
+
+static SLOT_INTERFACE_START( apricot_floppies )
+ SLOT_INTERFACE("d31v", SONY_OA_D31V)
+ SLOT_INTERFACE("d32w", SONY_OA_D32W)
+SLOT_INTERFACE_END
+
+
+//**************************************************************************
+// VIDEO EMULATION
+//**************************************************************************
+
+UINT32 apricot_state::screen_update_apricot(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ if (!m_display_on)
+ m_crtc->screen_update(screen, bitmap, cliprect);
+ else
+ bitmap.fill(rgb_t::black, cliprect);
+
+ return 0;
+}
+
+MC6845_UPDATE_ROW( apricot_state::crtc_update_row )
+{
+ const pen_t *pen = m_palette->pens();
+
+ for (int i = 0; i < x_count; i++)
+ {
+ UINT16 code = m_screen_buffer[(ma + i) & 0x7ff];
+ UINT16 offset = ((code & 0x7ff) << 5) | (ra << 1);
+ UINT16 data = m_cpu->space(AS_PROGRAM).read_word(offset);
+
+ if (m_video_mode)
+ {
+ int fill = 0;
+
+ if (i == cursor_x) fill = 1; // cursor?
+ if (BIT(code, 12) && BIT(data, 14)) fill = 1; // strike-through?
+ if (BIT(code, 13) && BIT(data, 15)) fill = 1; // underline?
+
+ // draw 10 pixels of the character
+ for (int x = 0; x <= 10; x++)
+ {
+ int color = fill ? 1 : BIT(data, x);
+ if (BIT(code, 15)) color = !color; // reverse?
+ bitmap.pix32(y, x + i*10) = pen[color ? 1 + BIT(code, 14) : 0];
+ }
+ }
+ else
+ {
+ // draw 16 pixels of the cell
+ for (int x = 0; x <= 16; x++)
+ bitmap.pix32(y, x + i*16) = pen[BIT(data, x)];
+ }
+ }
+}
+
+//**************************************************************************
+// MACHINE EMULATION
+//**************************************************************************
+
+void apricot_state::machine_start()
+{
+ membank("ram")->set_base(m_ram->pointer());
+}
+
+WRITE_LINE_MEMBER( apricot_state::i8086_lock_w )
+{
+ m_bus_locked = state;
+}
+
+
+//**************************************************************************
+// ADDRESS MAPS
+//**************************************************************************
+
+static ADDRESS_MAP_START( apricot_mem, AS_PROGRAM, 16, apricot_state )
+ AM_RANGE(0x00000, 0x3ffff) AM_RAMBANK("ram")
+ AM_RANGE(0xf0000, 0xf0fff) AM_MIRROR(0x7000) AM_RAM AM_SHARE("screen_buffer")
+ AM_RANGE(0xfc000, 0xfffff) AM_MIRROR(0x4000) AM_ROM AM_REGION("bootstrap", 0)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( apricot_io, AS_IO, 16, apricot_state )
+ AM_RANGE(0x00, 0x03) AM_DEVREADWRITE8("ic31", pic8259_device, read, write, 0x00ff)
+ AM_RANGE(0x40, 0x47) AM_DEVREADWRITE8("ic68", wd2797_t, read, write, 0x00ff)
+ AM_RANGE(0x48, 0x4f) AM_DEVREADWRITE8("ic17", i8255_device, read, write, 0x00ff)
+ AM_RANGE(0x50, 0x51) AM_MIRROR(0x06) AM_DEVWRITE8("ic7", sn76489_device, write, 0x00ff)
+ AM_RANGE(0x58, 0x5f) AM_DEVREADWRITE8("ic16", pit8253_device, read, write, 0x00ff)
+ AM_RANGE(0x60, 0x61) AM_READ8(sio_da_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, da_w, 0x00ff)
+ AM_RANGE(0x62, 0x63) AM_READ8(sio_ca_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, ca_w, 0x00ff)
+ AM_RANGE(0x64, 0x65) AM_READ8(sio_db_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, db_w, 0x00ff)
+ AM_RANGE(0x66, 0x67) AM_READ8(sio_cb_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, cb_w, 0x00ff)
+ AM_RANGE(0x68, 0x69) AM_MIRROR(0x04) AM_DEVWRITE8("ic30", mc6845_device, address_w, 0x00ff)
+ AM_RANGE(0x6a, 0x6b) AM_MIRROR(0x04) AM_DEVREADWRITE8("ic30", mc6845_device, register_r, register_w, 0x00ff)
+ AM_RANGE(0x70, 0x71) AM_MIRROR(0x04) AM_WRITE8(i8089_ca1_w, 0x00ff)
+ AM_RANGE(0x72, 0x73) AM_MIRROR(0x04) AM_WRITE8(i8089_ca2_w, 0x00ff)
+ AM_RANGE(0x78, 0x7f) AM_NOP // unavailable
+ADDRESS_MAP_END
+
+
+//**************************************************************************
+// MACHINE DRIVERS
+//**************************************************************************
+
+static MACHINE_CONFIG_START( apricot, apricot_state )
+ // main cpu
+ MCFG_CPU_ADD("ic91", I8086, XTAL_15MHz / 3)
+ MCFG_CPU_PROGRAM_MAP(apricot_mem)
+ MCFG_CPU_IO_MAP(apricot_io)
+ MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("ic31", pic8259_device, inta_cb)
+ MCFG_I8086_LOCK_HANDLER(WRITELINE(apricot_state, i8086_lock_w))
+
+ // i/o cpu
+ MCFG_CPU_ADD("ic71", I8089, XTAL_15MHz / 3)
+ MCFG_CPU_PROGRAM_MAP(apricot_mem)
+ MCFG_CPU_IO_MAP(apricot_io)
+ MCFG_I8089_DATABUS_WIDTH(16)
+ MCFG_I8089_SINTR1(DEVWRITELINE("ic31", pic8259_device, ir0_w))
+ MCFG_I8089_SINTR2(DEVWRITELINE("ic31", pic8259_device, ir1_w))
+
+ // ram
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("256k")
+
+ // video hardware
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_SIZE(800, 400)
+ MCFG_SCREEN_VISIBLE_AREA(0, 800-1, 0, 400-1)
+ MCFG_SCREEN_REFRESH_RATE(72)
+ MCFG_SCREEN_UPDATE_DRIVER(apricot_state, screen_update_apricot)
+
+ MCFG_PALETTE_ADD_MONOCHROME_GREEN_HIGHLIGHT("palette")
+
+ MCFG_MC6845_ADD("ic30", MC6845, "screen", XTAL_15MHz / 10)
+ MCFG_MC6845_INTERLACE_ADJUST(1)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(10)
+ MCFG_MC6845_UPDATE_ROW_CB(apricot_state, crtc_update_row)
+ MCFG_MC6845_OUT_DE_CB(WRITELINE(apricot_state, apricot_mc6845_de))
+
+ // sound hardware
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("ic7", SN76489, XTAL_4MHz / 2)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
+
+ // devices
+ MCFG_DEVICE_ADD("ic17", I8255A, 0)
+ MCFG_I8255_IN_PORTA_CB(DEVREAD8("cent_data_in", input_buffer_device, read))
+ MCFG_I8255_OUT_PORTA_CB(DEVWRITE8("cent_data_out", output_latch_device, write))
+ MCFG_I8255_OUT_PORTB_CB(WRITE8(apricot_state, i8255_portb_w))
+ MCFG_I8255_IN_PORTC_CB(READ8(apricot_state, i8255_portc_r))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(apricot_state, i8255_portc_w))
+
+ MCFG_PIC8259_ADD("ic31", INPUTLINE("ic91", 0), VCC, NULL)
+
+ MCFG_DEVICE_ADD("ic16", PIT8253, 0)
+ MCFG_PIT8253_CLK0(XTAL_4MHz / 16)
+ MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("ic31", pic8259_device, ir6_w))
+ MCFG_PIT8253_CLK1(XTAL_4MHz / 2)
+ MCFG_PIT8253_OUT1_HANDLER(WRITELINE(apricot_state, timer_out1))
+ MCFG_PIT8253_CLK2(XTAL_4MHz / 2)
+ MCFG_PIT8253_OUT2_HANDLER(WRITELINE(apricot_state, timer_out2))
+
+ MCFG_Z80SIO0_ADD("ic15", XTAL_15MHz / 6, 0, 0, XTAL_4MHz / 16, XTAL_4MHz / 16)
+ MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd))
+ MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr))
+ MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE("rs232", rs232_port_device, write_rts))
+ MCFG_Z80DART_OUT_WRDYA_CB(DEVWRITELINE("ic71", i8089_device, drq2_w))
+ MCFG_Z80DART_OUT_TXDB_CB(DEVWRITELINE("keyboard", apricot_keyboard_hle_device, rxd_w))
+ MCFG_Z80DART_OUT_DTRB_CB(WRITELINE(apricot_state, data_selector_dtr_w))
+ MCFG_Z80DART_OUT_RTSB_CB(WRITELINE(apricot_state, data_selector_rts_w))
+ MCFG_Z80DART_OUT_INT_CB(DEVWRITELINE("ic31", pic8259_device, ir5_w))
+
+ // rs232 port
+ MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, NULL)
+// note: missing a receive clock callback to support external clock mode
+// (m_data_selector_rts == 1 and m_data_selector_dtr == 0)
+ MCFG_RS232_RXD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, rxa_w))
+ MCFG_RS232_DCD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, dcda_w))
+ MCFG_RS232_DSR_HANDLER(DEVWRITELINE("ic15", z80sio0_device, synca_w))
+ MCFG_RS232_CTS_HANDLER(DEVWRITELINE("ic15", z80sio0_device, ctsa_w))
+
+ // keyboard (hle)
+ MCFG_APRICOT_KEYBOARD_ADD("keyboard")
+ MCFG_APRICOT_KEYBOARD_TXD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, rxb_w))
+
+ // centronics printer
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_DATA_INPUT_BUFFER("cent_data_in")
+ MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("ic15", z80dart_device, ctsb_w))
+ MCFG_CENTRONICS_BUSY_HANDLER(DEVWRITELINE("ic15", z80dart_device, dcdb_w))
+ MCFG_CENTRONICS_FAULT_HANDLER(WRITELINE(apricot_state, write_centronics_fault))
+ MCFG_CENTRONICS_PERROR_HANDLER(WRITELINE(apricot_state, write_centronics_perror))
+ //MCFG_CENTRONICS_SELECT_HANDLER() // schematic page 294 says this is connected to pc4, but that is an output to the printer
+
+ MCFG_DEVICE_ADD("cent_data_in", INPUT_BUFFER, 0)
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ // floppy
+ MCFG_WD2797_ADD("ic68", XTAL_4MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(apricot_state, fdc_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(DEVWRITELINE("ic71", i8089_device, drq1_w))
+ MCFG_FLOPPY_DRIVE_ADD("ic68:0", apricot_floppies, "d32w", apricot_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("ic68:1", apricot_floppies, "d32w", apricot_state::floppy_formats)
+
+ // expansion bus
+ MCFG_EXPANSION_ADD("exp", "ic91")
+ MCFG_EXPANSION_IOP_ADD("ic71")
+ MCFG_EXPANSION_SLOT_ADD("exp:1", apricot_expansion_cards, NULL)
+ MCFG_EXPANSION_SLOT_ADD("exp:2", apricot_expansion_cards, NULL)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( apricotxi, apricot )
+MACHINE_CONFIG_END
+
+
+//**************************************************************************
+// ROM DEFINITIONS
+//**************************************************************************
+
+ROM_START( apricot )
+ ROM_REGION(0x4000, "bootstrap", 0)
+ ROM_LOAD16_BYTE("pc_bios_lo_001.bin", 0x0000, 0x2000, CRC(0c217cc2) SHA1(0d7a2b61e17966462b555115f962a175fadcf72a))
+ ROM_LOAD16_BYTE("pc_bios_hi_001.bin", 0x0001, 0x2000, CRC(7c27f36c) SHA1(c801bbf904815f76ec6463e948f57e0118a26292))
+ROM_END
+
+ROM_START( apricotxi )
+ ROM_REGION(0x4000, "bootstrap", 0)
+ ROM_LOAD16_BYTE("lo_ve007.u11", 0x0000, 0x2000, CRC(e74e14d1) SHA1(569133b0266ce3563b21ae36fa5727308797deee)) // LO Ve007 03.04.84
+ ROM_LOAD16_BYTE("hi_ve007.u9", 0x0001, 0x2000, CRC(b04fb83e) SHA1(cc2b2392f1b4c04bb6ec8ee26f8122242c02e572)) // HI Ve007 03.04.84
+ROM_END
+
+
+//**************************************************************************
+// GAME DRIVERS
+//**************************************************************************
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+COMP( 1983, apricot, 0, 0, apricot, 0, driver_device, 0, "ACT", "Apricot PC", MACHINE_NOT_WORKING )
+COMP( 1984, apricotxi, apricot, 0, apricotxi, 0, driver_device, 0, "ACT", "Apricot Xi", MACHINE_NOT_WORKING )