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-rw-r--r--src/mame/drivers/apricotf.cpp435
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diff --git a/src/mame/drivers/apricotf.cpp b/src/mame/drivers/apricotf.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese, Robbbert
+/***************************************************************************
+
+ ACT Apricot F1 series
+
+ preliminary driver by Angelo Salese
+
+
+11/09/2011 - modernised. The portable doesn't seem to have
+ scroll registers, and it sets the palette to black.
+ I've added a temporary video output so that you can get
+ an idea of what the screen should look like. [Robbbert]
+
+****************************************************************************/
+
+/*
+
+ TODO:
+
+ - CTC/SIO interrupt acknowledge
+ - CTC clocks
+ - sound
+
+*/
+
+#include "emu.h"
+#include "cpu/i86/i86.h"
+#include "cpu/z80/z80daisy.h"
+#include "imagedev/flopdrv.h"
+#include "machine/apricotkb.h"
+#include "machine/buffer.h"
+#include "bus/centronics/ctronics.h"
+#include "machine/wd_fdc.h"
+#include "machine/z80ctc.h"
+#include "machine/z80dart.h"
+#include "formats/apridisk.h"
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define SCREEN_TAG "screen"
+#define I8086_TAG "10d"
+#define Z80CTC_TAG "13d"
+#define Z80SIO2_TAG "15d"
+#define WD2797_TAG "5f"
+#define CENTRONICS_TAG "centronics"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> f1_state
+
+class f1_state : public driver_device
+{
+public:
+ f1_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, I8086_TAG),
+ m_ctc(*this, Z80CTC_TAG),
+ m_sio(*this, Z80SIO2_TAG),
+ m_fdc(*this, WD2797_TAG),
+ m_floppy0(*this, WD2797_TAG ":0"),
+ m_floppy1(*this, WD2797_TAG ":1"),
+ m_centronics(*this, CENTRONICS_TAG),
+ m_cent_data_out(*this, "cent_data_out"),
+ m_ctc_int(CLEAR_LINE),
+ m_sio_int(CLEAR_LINE),
+ m_p_scrollram(*this, "p_scrollram"),
+ m_p_paletteram(*this, "p_paletteram"),
+ m_palette(*this, "palette")
+ { }
+
+ DECLARE_FLOPPY_FORMATS(floppy_formats);
+
+ virtual void machine_start();
+
+ required_device<cpu_device> m_maincpu;
+ required_device<z80ctc_device> m_ctc;
+ required_device<z80sio2_device> m_sio;
+ required_device<wd2797_t> m_fdc;
+ required_device<floppy_connector> m_floppy0;
+ required_device<floppy_connector> m_floppy1;
+ required_device<centronics_device> m_centronics;
+ required_device<output_latch_device> m_cent_data_out;
+ int m_ctc_int;
+ int m_sio_int;
+ required_shared_ptr<UINT16> m_p_scrollram;
+ required_shared_ptr<UINT16> m_p_paletteram;
+ required_device<palette_device> m_palette;
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+
+ DECLARE_READ16_MEMBER( palette_r );
+ DECLARE_WRITE16_MEMBER( palette_w );
+ DECLARE_WRITE8_MEMBER( system_w );
+ DECLARE_WRITE_LINE_MEMBER( sio_int_w );
+ DECLARE_WRITE_LINE_MEMBER( ctc_int_w );
+ DECLARE_WRITE_LINE_MEMBER( ctc_z1_w );
+ DECLARE_WRITE_LINE_MEMBER( ctc_z2_w );
+
+ int m_40_80;
+ int m_200_256;
+};
+
+
+//**************************************************************************
+// VIDEO
+//**************************************************************************
+
+UINT32 f1_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ address_space &program = m_maincpu->space(AS_PROGRAM);
+ int lines = m_200_256 ? 200 : 256;
+
+ for (int y = 0; y < lines; y++)
+ {
+ offs_t addr = m_p_scrollram[y] << 1;
+
+ for (int sx = 0; sx < 80; sx++)
+ {
+ UINT16 data = program.read_word(addr);
+
+ if (m_40_80)
+ {
+ for (int x = 0; x < 8; x++)
+ {
+ int color = (BIT(data, 15) << 1) | BIT(data, 7);
+
+ bitmap.pix16(y, (sx * 8) + x) = color;
+
+ data <<= 1;
+ }
+ }
+ else
+ {
+ for (int x = 0; x < 4; x++)
+ {
+ int color = (BIT(data, 15) << 3) | (BIT(data, 14) << 2) | (BIT(data, 7) << 1) | BIT(data, 6);
+
+ bitmap.pix16(y, (sx * 8) + (x * 2)) = color;
+ bitmap.pix16(y, (sx * 8) + (x * 2) + 1) = color;
+
+ data <<= 2;
+ }
+ }
+
+ addr += 2;
+ }
+ }
+
+ return 0;
+}
+
+READ16_MEMBER( f1_state::palette_r )
+{
+ return m_p_paletteram[offset];
+}
+
+WRITE16_MEMBER( f1_state::palette_w )
+{
+ UINT8 i,r,g,b;
+ COMBINE_DATA(&m_p_paletteram[offset]);
+
+ if(ACCESSING_BITS_0_7 && offset) //TODO: offset 0 looks bogus
+ {
+ i = m_p_paletteram[offset] & 1;
+ r = ((m_p_paletteram[offset] & 2)>>0) | i;
+ g = ((m_p_paletteram[offset] & 4)>>1) | i;
+ b = ((m_p_paletteram[offset] & 8)>>2) | i;
+
+ m_palette->set_pen_color(offset, pal2bit(r), pal2bit(g), pal2bit(b));
+ }
+}
+
+
+static const gfx_layout charset_8x8 =
+{
+ 8,8,
+ 256,
+ 1,
+ { 0 },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
+ 8*8
+};
+
+
+static GFXDECODE_START( act_f1 )
+ GFXDECODE_ENTRY( I8086_TAG, 0x0800, charset_8x8, 0, 1 )
+GFXDECODE_END
+
+
+WRITE8_MEMBER( f1_state::system_w )
+{
+ switch(offset)
+ {
+ case 0: // centronics data port
+ m_cent_data_out->write(space, 0, data);
+ break;
+
+ case 1: // drive select
+ m_fdc->set_floppy(BIT(data, 0) ? m_floppy0->get_device() : m_floppy1->get_device());
+ break;
+
+ case 3: // drive head load
+ break;
+
+ case 5: // drive motor on
+ m_floppy0->get_device()->mon_w(!BIT(data, 0));
+ m_floppy1->get_device()->mon_w(!BIT(data, 0));
+ break;
+
+ case 7: // video lines (1=200, 0=256)
+ m_200_256 = BIT(data, 0);
+ break;
+
+ case 9: // video columns (1=80, 0=40)
+ m_40_80 = BIT(data, 0);
+ break;
+
+ case 0x0b: // LED 0 enable
+ break;
+
+ case 0x0d: // LED 1 enable
+ break;
+
+ case 0x0f: // centronics strobe output
+ m_centronics->write_strobe(!BIT(data, 0));
+ break;
+ }
+}
+
+
+void f1_state::machine_start()
+{
+}
+
+
+
+//**************************************************************************
+// ADDRESS MAPS
+//**************************************************************************
+
+//-------------------------------------------------
+// ADDRESS_MAP( act_f1_mem )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( act_f1_mem, AS_PROGRAM, 16, f1_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00000, 0x01dff) AM_RAM
+ AM_RANGE(0x01e00, 0x01fff) AM_RAM AM_SHARE("p_scrollram")
+ AM_RANGE(0x02000, 0x3ffff) AM_RAM
+ AM_RANGE(0xe0000, 0xe001f) AM_READWRITE(palette_r, palette_w) AM_SHARE("p_paletteram")
+ AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION(I8086_TAG, 0)
+ADDRESS_MAP_END
+
+
+//-------------------------------------------------
+// ADDRESS_MAP( act_f1_io )
+//-------------------------------------------------
+
+static ADDRESS_MAP_START( act_f1_io, AS_IO, 16, f1_state )
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x000f) AM_WRITE8(system_w, 0xffff)
+ AM_RANGE(0x0010, 0x0017) AM_DEVREADWRITE8(Z80CTC_TAG, z80ctc_device, read, write, 0x00ff)
+ AM_RANGE(0x0020, 0x0027) AM_DEVREADWRITE8(Z80SIO2_TAG, z80sio2_device, ba_cd_r, ba_cd_w, 0x00ff)
+// AM_RANGE(0x0030, 0x0031) AM_WRITE8(ctc_ack_w, 0x00ff)
+ AM_RANGE(0x0040, 0x0047) AM_DEVREADWRITE8(WD2797_TAG, wd2797_t, read, write, 0x00ff)
+// AM_RANGE(0x01e0, 0x01ff) winchester
+ADDRESS_MAP_END
+
+
+//**************************************************************************
+// INPUT PORTS
+//**************************************************************************
+
+//-------------------------------------------------
+// INPUT_PORTS( act )
+//-------------------------------------------------
+
+static INPUT_PORTS_START( act )
+ // defined in machine/apricotkb.c
+INPUT_PORTS_END
+
+
+
+//**************************************************************************
+// DEVICE CONFIGURATION
+//**************************************************************************
+
+//-------------------------------------------------
+// Z80SIO
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( f1_state::sio_int_w )
+{
+ m_sio_int = state;
+
+ m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_ctc_int || m_sio_int);
+}
+
+//-------------------------------------------------
+// Z80CTC
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( f1_state::ctc_int_w )
+{
+ m_ctc_int = state;
+
+ m_maincpu->set_input_line(INPUT_LINE_IRQ0, m_ctc_int | m_sio_int);
+}
+
+WRITE_LINE_MEMBER( f1_state::ctc_z1_w )
+{
+ m_sio->rxcb_w(state);
+ m_sio->txcb_w(state);
+}
+
+WRITE_LINE_MEMBER( f1_state::ctc_z2_w )
+{
+ m_sio->txca_w(state);
+}
+
+//-------------------------------------------------
+// floppy
+//-------------------------------------------------
+
+FLOPPY_FORMATS_MEMBER( f1_state::floppy_formats )
+ FLOPPY_APRIDISK_FORMAT
+FLOPPY_FORMATS_END
+
+static SLOT_INTERFACE_START( apricotf_floppies )
+ SLOT_INTERFACE( "d31v", SONY_OA_D31V )
+ SLOT_INTERFACE( "d32w", SONY_OA_D32W )
+SLOT_INTERFACE_END
+
+
+
+//**************************************************************************
+// MACHINE DRIVERS
+//**************************************************************************
+
+//-------------------------------------------------
+// MACHINE_CONFIG( act_f1 )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_START( act_f1, f1_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD(I8086_TAG, I8086, XTAL_14MHz/4)
+ MCFG_CPU_PROGRAM_MAP(act_f1_mem)
+ MCFG_CPU_IO_MAP(act_f1_io)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */
+ MCFG_SCREEN_UPDATE_DRIVER(f1_state, screen_update)
+ MCFG_SCREEN_SIZE(640, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 256-1)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_PALETTE_ADD("palette", 16)
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", act_f1)
+
+ /* Devices */
+ MCFG_DEVICE_ADD(APRICOT_KEYBOARD_TAG, APRICOT_KEYBOARD, 0)
+
+ MCFG_Z80SIO2_ADD(Z80SIO2_TAG, 2500000, 0, 0, 0, 0)
+ MCFG_Z80DART_OUT_INT_CB(WRITELINE(f1_state, sio_int_w))
+
+ MCFG_DEVICE_ADD(Z80CTC_TAG, Z80CTC, 2500000)
+ MCFG_Z80CTC_INTR_CB(WRITELINE(f1_state, ctc_int_w))
+ MCFG_Z80CTC_ZC1_CB(WRITELINE(f1_state, ctc_z1_w))
+ MCFG_Z80CTC_ZC2_CB(WRITELINE(f1_state, ctc_z2_w))
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_BUSY_HANDLER(DEVWRITELINE(Z80SIO2_TAG, z80dart_device, ctsa_w))
+
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", CENTRONICS_TAG)
+
+ // floppy
+ MCFG_WD2797_ADD(WD2797_TAG, XTAL_4MHz / 2 /* ? */)
+ MCFG_WD_FDC_INTRQ_CALLBACK(INPUTLINE(I8086_TAG, INPUT_LINE_NMI))
+ MCFG_WD_FDC_DRQ_CALLBACK(INPUTLINE(I8086_TAG, INPUT_LINE_TEST))
+
+ MCFG_FLOPPY_DRIVE_ADD(WD2797_TAG ":0", apricotf_floppies, "d32w", f1_state::floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD(WD2797_TAG ":1", apricotf_floppies, "d32w", f1_state::floppy_formats)
+MACHINE_CONFIG_END
+
+
+
+//**************************************************************************
+// ROMS
+//**************************************************************************
+
+//-------------------------------------------------
+// ROM( f1 )
+//-------------------------------------------------
+
+ROM_START( f1 )
+ ROM_REGION( 0x8000, I8086_TAG, 0 )
+ ROM_LOAD16_BYTE( "lo_f1_1.6.8f", 0x0000, 0x4000, CRC(be018be2) SHA1(80b97f5b2111daf112c69b3f58d1541a4ba69da0) ) // Labelled F1 - LO Vr. 1.6
+ ROM_LOAD16_BYTE( "hi_f1_1.6.10f", 0x0001, 0x4000, CRC(bbba77e2) SHA1(e62bed409eb3198f4848f85fccd171cd0745c7c0) ) // Labelled F1 - HI Vr. 1.6
+ROM_END
+
+#define rom_f1e rom_f1
+#define rom_f2 rom_f1
+
+
+//-------------------------------------------------
+// ROM( f10 )
+//-------------------------------------------------
+
+ROM_START( f10 )
+ ROM_REGION( 0x8000, I8086_TAG, 0 )
+ ROM_LOAD16_BYTE( "lo_f10_3.1.1.8f", 0x0000, 0x4000, CRC(bfd46ada) SHA1(0a36ef379fa9af7af9744b40c167ce6e12093485) ) // Labelled LO-FRange Vr3.1.1
+ ROM_LOAD16_BYTE( "hi_f10_3.1.1.10f", 0x0001, 0x4000, CRC(67ad5b3a) SHA1(a5ececb87476a30167cf2a4eb35c03aeb6766601) ) // Labelled HI-FRange Vr3.1.1
+ROM_END
+
+
+
+//**************************************************************************
+// SYSTEM DRIVERS
+//**************************************************************************
+
+// YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS
+COMP( 1984, f1, 0, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+COMP( 1984, f1e, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F1e", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+COMP( 1984, f2, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F2", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
+COMP( 1985, f10, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F10", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )