// 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 "bus/centronics/ctronics.h"
#include "cpu/i86/i86.h"
#include "formats/apridisk.h"
#include "imagedev/floppy.h"
#include "machine/apricotkb.h"
#include "machine/buffer.h"
#include "machine/input_merger.h"
#include "machine/wd_fdc.h"
#include "machine/z80ctc.h"
#include "machine/z80sio.h"
#include "emupal.h"
#include "screen.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_irqs(*this, "irqs")
, m_p_scrollram(*this, "p_scrollram")
, m_p_paletteram(*this, "p_paletteram")
, m_palette(*this, "palette")
{ }
void act_f1(machine_config &config);
private:
DECLARE_FLOPPY_FORMATS(floppy_formats);
virtual void machine_start() override;
required_device<cpu_device> m_maincpu;
required_device<z80ctc_device> m_ctc;
required_device<z80sio_device> m_sio;
required_device<wd2797_device> 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;
required_device<input_merger_device> m_irqs;
required_shared_ptr<uint16_t> m_p_scrollram;
required_shared_ptr<uint16_t> m_p_paletteram;
required_device<palette_device> m_palette;
uint32_t 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(ctc_z1_w);
DECLARE_WRITE_LINE_MEMBER(ctc_z2_w);
DECLARE_WRITE8_MEMBER(m1_w);
int m_40_80;
int m_200_256;
void act_f1_io(address_map &map);
void act_f1_mem(address_map &map);
};
//**************************************************************************
// VIDEO
//**************************************************************************
uint32_t 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_t 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_t 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( gfx_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(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 )
//-------------------------------------------------
void f1_state::act_f1_mem(address_map &map)
{
map.unmap_value_high();
map(0x00000, 0x01dff).ram();
map(0x01e00, 0x01fff).ram().share("p_scrollram");
map(0x02000, 0x3ffff).ram();
map(0xe0000, 0xe001f).rw(FUNC(f1_state::palette_r), FUNC(f1_state::palette_w)).share("p_paletteram");
map(0xf8000, 0xfffff).rom().region(I8086_TAG, 0);
}
//-------------------------------------------------
// ADDRESS_MAP( act_f1_io )
//-------------------------------------------------
void f1_state::act_f1_io(address_map &map)
{
map.unmap_value_high();
map(0x0000, 0x000f).w(FUNC(f1_state::system_w));
map(0x0010, 0x0017).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)).umask16(0x00ff);
map(0x0020, 0x0027).rw(m_sio, FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)).umask16(0x00ff);
map(0x0030, 0x0030).w(FUNC(f1_state::m1_w));
map(0x0040, 0x0047).rw(m_fdc, FUNC(wd2797_device::read), FUNC(wd2797_device::write)).umask16(0x00ff);
// map(0x01e0, 0x01ff) winchester
}
//**************************************************************************
// INPUT PORTS
//**************************************************************************
//-------------------------------------------------
// INPUT_PORTS( act )
//-------------------------------------------------
static INPUT_PORTS_START( act )
// defined in machine/apricotkb.c
INPUT_PORTS_END
//**************************************************************************
// DEVICE CONFIGURATION
//**************************************************************************
//-------------------------------------------------
// Z80CTC
//-------------------------------------------------
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);
}
WRITE8_MEMBER(f1_state::m1_w)
{
m_ctc->z80daisy_decode(data);
m_sio->z80daisy_decode(data);
}
//-------------------------------------------------
// floppy
//-------------------------------------------------
FLOPPY_FORMATS_MEMBER( f1_state::floppy_formats )
FLOPPY_APRIDISK_FORMAT
FLOPPY_FORMATS_END
void apricotf_floppies(device_slot_interface &device)
{
device.option_add("d31v", SONY_OA_D31V);
device.option_add("d32w", SONY_OA_D32W);
}
//**************************************************************************
// MACHINE DRIVERS
//**************************************************************************
//-------------------------------------------------
// machine_config( act_f1 )
//-------------------------------------------------
void f1_state::act_f1(machine_config &config)
{
/* basic machine hardware */
I8086(config, m_maincpu, 14_MHz_XTAL / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &f1_state::act_f1_mem);
m_maincpu->set_addrmap(AS_IO, &f1_state::act_f1_io);
INPUT_MERGER_ANY_HIGH(config, "irqs").output_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
/* video hardware */
screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
screen.set_screen_update(FUNC(f1_state::screen_update));
screen.set_size(640, 256);
screen.set_visarea_full();
screen.set_palette(m_palette);
PALETTE(config, m_palette).set_entries(16);
GFXDECODE(config, "gfxdecode", m_palette, gfx_act_f1);
/* Devices */
APRICOT_KEYBOARD(config, APRICOT_KEYBOARD_TAG, 0);
Z80SIO(config, m_sio, 2500000);
m_sio->out_int_callback().set("irqs", FUNC(input_merger_device::in_w<0>));
Z80CTC(config, m_ctc, 2500000);
m_ctc->intr_callback().set("irqs", FUNC(input_merger_device::in_w<1>));
m_ctc->zc_callback<1>().set(FUNC(f1_state::ctc_z1_w));
m_ctc->zc_callback<2>().set(FUNC(f1_state::ctc_z2_w));
CENTRONICS(config, m_centronics, centronics_devices, "printer");
m_centronics->busy_handler().set(m_sio, FUNC(z80sio_device::ctsa_w));
OUTPUT_LATCH(config, m_cent_data_out);
m_centronics->set_output_latch(*m_cent_data_out);
// floppy
WD2797(config, m_fdc, 4_MHz_XTAL / 2 /* ? */);
m_fdc->intrq_wr_callback().set_inputline(m_maincpu, INPUT_LINE_NMI);
m_fdc->drq_wr_callback().set_inputline(m_maincpu, INPUT_LINE_TEST);
FLOPPY_CONNECTOR(config, WD2797_TAG ":0", apricotf_floppies, "d32w", f1_state::floppy_formats);
FLOPPY_CONNECTOR(config, WD2797_TAG ":1", apricotf_floppies, "d32w", f1_state::floppy_formats);
}
//**************************************************************************
// 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 CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1984, f1, 0, 0, act_f1, act, f1_state, empty_init, "ACT", "Apricot F1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
COMP( 1984, f1e, f1, 0, act_f1, act, f1_state, empty_init, "ACT", "Apricot F1e", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
COMP( 1984, f2, f1, 0, act_f1, act, f1_state, empty_init, "ACT", "Apricot F2", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
COMP( 1985, f10, f1, 0, act_f1, act, f1_state, empty_init, "ACT", "Apricot F10", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )