// license:MAME
// 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 "includes/apricotf.h"
//**************************************************************************
// 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
//-------------------------------------------------
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_printers, "printer")
MCFG_CENTRONICS_BUSY_HANDLER(DEVWRITELINE(Z80SIO2_TAG, z80dart_device, ctsa_w))
MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", CENTRONICS_TAG)
// floppy
MCFG_WD2797x_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", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_ADD(WD2797_TAG ":1", apricotf_floppies, "d32w", floppy_image_device::default_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", GAME_NOT_WORKING | GAME_NO_SOUND )
COMP( 1984, f1e, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F1e", GAME_NOT_WORKING | GAME_NO_SOUND )
COMP( 1984, f2, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F2", GAME_NOT_WORKING | GAME_NO_SOUND )
COMP( 1985, f10, f1, 0, act_f1, act, driver_device, 0, "ACT", "Apricot F10", GAME_NOT_WORKING | GAME_NO_SOUND )