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|
// license: BSD-3-Clause
// copyright-holders: Dirk Best
/***************************************************************************
BASF 7100
This system is based on (or even identical to) the DigiLog Microterm II
Models:
- 7120: 24k disk controller memory, 3x 5.25" single sided
- 7125: 32k disk controller memory, 3x 5.25" double sided
- 7130: 32k disk controller memory, 1x 5.25" double sided, 1x Winchester
Hardware:
- Z-80A
- I8259A
- I8251
- COM8116
- 3x 8255A
- 64k memory
- 5.0688 MHz XTAL
- 4x DSW8
- External ports: Printer, Dialer, Data Comm I/O, Aux I/O
Video board:
- Motorola 160A002-B (?)
- 2x 8255A
- 18.720 MHz XTAL
Floppy controller:
- Z-80A
- 24k/32k memory
- FD1791B-02
Aux I/O board:
- I8251
- COM8116
- 5.0688 MHz XTAL
TODO:
- Dump real character ROM
- Improve video emulation
- Find documentation for switches S2, S3, S4 (might be app. specific)
- Serial interrupts, flags, control
Notes:
- Runs the BOS operating system, possibly also CP/M?
***************************************************************************/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/com8116.h"
#include "machine/i8251.h"
#include "machine/i8255.h"
#include "machine/pic8259.h"
#include "machine/wd_fdc.h"
#include "bus/centronics/ctronics.h"
#include "bus/rs232/rs232.h"
#include "imagedev/floppy.h"
#include "machine/basf7100_kbd.h"
#include "emupal.h"
#include "screen.h"
#include "softlist_dev.h"
namespace {
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class basf7100_state : public driver_device
{
public:
basf7100_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_fdccpu(*this, "fdccpu"),
m_pic(*this, "pic"),
m_ppi(*this, "ppi%u", 0U),
m_usart(*this, "usart%u", 0U),
m_centronics(*this, "centronics"),
m_fdc(*this, "fdc"),
m_floppy(*this, "fdc:%u", 0),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_shared_ram(*this, "shared_ram"),
m_chargen(*this, "chargen"),
m_bootview(*this, "bootview"),
m_cursor_col(0x00), m_cursor_row(0x00),
m_highlight(0x00),
m_roll_offset(0x00),
m_sod(0x0000),
m_fdc_intrq_vector(0),
m_fdc_drq(false),
m_int_flags(0x00)
{ }
void basf7100(machine_config &config);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
required_device<z80_device> m_maincpu;
required_device<z80_device> m_fdccpu;
required_device<pic8259_device> m_pic;
required_device_array<i8255_device, 5> m_ppi;
required_device_array<i8251_device, 2> m_usart;
required_device<centronics_device> m_centronics;
required_device<fd1791_device> m_fdc;
required_device_array<floppy_connector, 3> m_floppy;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_shared_ptr<uint8_t> m_shared_ram;
required_region_ptr<uint8_t> m_chargen;
memory_view m_bootview;
enum : uint8_t
{
INT_KEYBOARD = 0x08,
INT_VBLANK = 0x10,
INT_CENTRONICS = 0x40
};
void mem_map(address_map &map);
void io_map(address_map &map);
void fdc_mem_map(address_map &map);
void fdc_io_map(address_map &map);
uint8_t mmio_r(offs_t offset);
void mmio_w(offs_t offset, uint8_t data);
void keyboard_w(uint8_t data);
void cursor_col_w(uint8_t data);
void cursor_row_w(uint8_t data);
void highlight_w(uint8_t data);
void roll_offset_w(uint8_t data);
void sod_high_w(uint8_t data);
void sod_low_w(uint8_t data);
void vblank_w(int state);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void centronics_ctrl_w(uint8_t data);
void centronics_busy_w(int state);
void fdc_drq_w(int state);
uint8_t fdc_ctrl_r();
void fdc_ctrl_w(uint8_t data);
void fdc_intrq_vector_w(uint8_t data);
void unk_cc_w(uint8_t data);
IRQ_CALLBACK_MEMBER(maincpu_irq_callback);
IRQ_CALLBACK_MEMBER(fdccpu_irq_callback);
uint8_t m_cursor_col;
uint8_t m_cursor_row;
uint8_t m_highlight;
uint8_t m_roll_offset;
uint16_t m_sod;
uint8_t m_fdc_intrq_vector;
bool m_fdc_drq;
uint8_t m_int_flags;
};
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
void basf7100_state::mem_map(address_map &map)
{
map(0x0000, 0x9fff).ram().share("shared_ram");
map(0xa000, 0xffff).ram();
map(0xff00, 0xffff).rw(FUNC(basf7100_state::mmio_r), FUNC(basf7100_state::mmio_w));
map(0x0000, 0xffff).view(m_bootview);
m_bootview[0](0x0000, 0x001f).mirror(0xffe0).rom().region("maincpu", 0);
}
void basf7100_state::io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0x03).rw(m_ppi[0], FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x04, 0x07).rw(m_ppi[1], FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x08, 0x09).mirror(0x02).rw(m_pic, FUNC(pic8259_device::read), FUNC(pic8259_device::write));
map(0x0c, 0x0f).rw(m_ppi[2], FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0x10, 0x11).rw(m_usart[0], FUNC(i8251_device::read), FUNC(i8251_device::write));
map(0x12, 0x12).w("brg0", FUNC(com8116_device::stt_str_w)); // or str_stt_w
map(0x14, 0x15).rw(m_usart[1], FUNC(i8251_device::read), FUNC(i8251_device::write));
map(0x16, 0x16).w("brg1", FUNC(com8116_device::stt_str_w)); // or str_stt_w
// map(0x17, 0x17) rs232 flags/control
map(0x18, 0x18).lr8(NAME([this] () -> uint8_t { return m_int_flags; }));
map(0x1c, 0x1c).portr("S1");
map(0x1d, 0x1d).portr("S2");
map(0x1e, 0x1e).portr("S3");
map(0x1f, 0x1f).portr("S4");
// map(0xb0, 0xb3) display hardware clear
map(0xb8, 0xbb).rw(m_ppi[3], FUNC(i8255_device::read), FUNC(i8255_device::write));
map(0xbc, 0xbf).lr8(NAME([this] (offs_t offset) -> uint8_t { return m_ppi[4]->read(offset ^ 3); }));
map(0xbc, 0xbf).lw8(NAME([this] (offs_t offset, uint8_t data) { m_ppi[4]->write(offset ^ 3, data); }));
map(0xc0, 0xc3).rw(m_fdc, FUNC(fd1791_device::read), FUNC(fd1791_device::write));
map(0xc4, 0xc4).rw(FUNC(basf7100_state::fdc_ctrl_r), FUNC(basf7100_state::fdc_ctrl_w));
map(0xca, 0xca).w(FUNC(basf7100_state::fdc_intrq_vector_w));
map(0xcc, 0xcc).w(FUNC(basf7100_state::unk_cc_w));
}
void basf7100_state::fdc_mem_map(address_map &map)
{
map(0x0000, 0x9fff).ram().share("shared_ram");
map(0xa000, 0xfbff).ram();
map(0xfc00, 0xffff).rom().region("fdccpu", 0);
map(0xff00, 0xffff).rw(FUNC(basf7100_state::mmio_r), FUNC(basf7100_state::mmio_w));
}
void basf7100_state::fdc_io_map(address_map &map)
{
map.global_mask(0xff);
map(0x00, 0xff).rw(FUNC(basf7100_state::mmio_r), FUNC(basf7100_state::mmio_w));
}
//**************************************************************************
// INPUT DEFINITIONS
//**************************************************************************
static INPUT_PORTS_START( basf7100 )
PORT_START("S1")
PORT_DIPNAME(0x0f, 0x0e, "Baud Rate") PORT_DIPLOCATION("S1:1,2,3,4")
PORT_DIPSETTING( 0x00, "50")
PORT_DIPSETTING( 0x01, "75")
PORT_DIPSETTING( 0x02, "110")
PORT_DIPSETTING( 0x03, "135")
PORT_DIPSETTING( 0x04, "150")
PORT_DIPSETTING( 0x05, "300")
PORT_DIPSETTING( 0x06, "600")
PORT_DIPSETTING( 0x07, "1200")
PORT_DIPSETTING( 0x08, "1800")
PORT_DIPSETTING( 0x09, "2005")
PORT_DIPSETTING( 0x0a, "2400")
PORT_DIPSETTING( 0x0b, "3600")
PORT_DIPSETTING( 0x0c, "4800")
PORT_DIPSETTING( 0x0d, "7200")
PORT_DIPSETTING( 0x0e, "9600")
PORT_DIPSETTING( 0x0f, "19800")
PORT_DIPNAME(0x30, 0x30, "Data Bits") PORT_DIPLOCATION("S1:5,6")
PORT_DIPSETTING( 0x00, "5")
PORT_DIPSETTING( 0x10, "6")
PORT_DIPSETTING( 0x20, "7")
PORT_DIPSETTING( 0x30, "8")
PORT_DIPNAME(0x40, 0x00, "Parity Enabled") PORT_DIPLOCATION("S1:7")
PORT_DIPSETTING( 0x00, DEF_STR(No))
PORT_DIPSETTING( 0x40, DEF_STR(Yes))
PORT_DIPNAME(0x80, 0x80, "Parity") PORT_DIPLOCATION("S1:8")
PORT_DIPSETTING( 0x00, "Odd")
PORT_DIPSETTING( 0x80, "Even")
PORT_START("S2")
PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "S2:1")
PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "S2:2")
PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "S2:3")
PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "S2:4")
PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "S2:5")
PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "S2:6")
PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "S2:7")
PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "S2:8")
PORT_START("S3")
PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "S3:1")
PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "S3:2")
PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "S3:3")
PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "S3:4")
PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "S3:5")
PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "S3:6")
PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "S3:7")
PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "S3:8")
PORT_START("S4")
PORT_DIPUNKNOWN_DIPLOC(0x01, 0x01, "S4:1")
PORT_DIPUNKNOWN_DIPLOC(0x02, 0x02, "S4:2")
PORT_DIPUNKNOWN_DIPLOC(0x04, 0x04, "S4:3")
PORT_DIPUNKNOWN_DIPLOC(0x08, 0x08, "S4:4")
PORT_DIPUNKNOWN_DIPLOC(0x10, 0x10, "S4:5")
PORT_DIPUNKNOWN_DIPLOC(0x20, 0x20, "S4:6")
PORT_DIPUNKNOWN_DIPLOC(0x40, 0x40, "S4:7")
PORT_DIPUNKNOWN_DIPLOC(0x80, 0x80, "S4:8")
INPUT_PORTS_END
void basf7100_state::keyboard_w(uint8_t data)
{
// PPI OBF
m_int_flags &= ~INT_KEYBOARD;
m_int_flags |= BIT(data, 1) ? INT_KEYBOARD : 0x00;
m_pic->ir3_w(BIT(data, 1));
// TODO: keyboard bell
}
//**************************************************************************
// VIDEO EMULATION
//**************************************************************************
static const gfx_layout crt8002_charlayout =
{
8, 12,
128,
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, 9*8, 10*8, 11*8 },
8*16
};
static GFXDECODE_START( gfx_crt8002 )
GFXDECODE_ENTRY( "chargen", 0, crt8002_charlayout, 0, 1 )
GFXDECODE_END
void basf7100_state::cursor_col_w(uint8_t data)
{
m_cursor_col = data;
}
void basf7100_state::cursor_row_w(uint8_t data)
{
// 7------- graphics enable?
// -65----- unknown
// ---43210 cursor row
m_cursor_row = data & 0x1f;
}
void basf7100_state::highlight_w(uint8_t data)
{
logerror("highlight = %02x\n", data);
m_highlight = data;
}
void basf7100_state::roll_offset_w(uint8_t data)
{
m_roll_offset = data;
}
void basf7100_state::sod_high_w(uint8_t data)
{
m_sod = (data << 8) | (m_sod & 0x00ff);
}
void basf7100_state::sod_low_w(uint8_t data)
{
// 7654---- sod low byte
// ----3210 set to input (clear in progress flag?)
m_sod = (m_sod & 0xff00) | ((data & 0xf0) << 0);
}
void basf7100_state::vblank_w(int state)
{
m_int_flags &= ~INT_VBLANK;
m_int_flags |= state ? INT_VBLANK : 0x00;
m_pic->ir4_w(state);
}
uint32_t basf7100_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
const rgb_t *palette = m_palette->palette()->entry_list_raw();
uint16_t addr = m_sod + (m_roll_offset * 16);
for (int y = 0; y < 24; y++)
{
uint8_t line_attr = 0x00;
for (int x = 0; x < 80; x++)
{
if (addr >= (m_sod + 0x780))
addr = m_sod;
uint8_t code = m_shared_ram[addr];
// draw 12 lines
for (int i = 0; i < 12; i++)
{
uint8_t data = m_chargen[(((code & 0x7f) << 4) + i)];
// character attributes
bool inverse = false;
bool half = false;
bool underline = false;
bool blink = false;
// global attributes
if (BIT(m_highlight, 3) && BIT(code, 7))
{
inverse = bool(BIT(m_highlight, 4));
half = bool(BIT(m_highlight, 5));
underline = bool(BIT(m_highlight, 6));
blink = bool(BIT(m_highlight, 7));
}
// line attribute
if (BIT(m_highlight, 1))
{
// control characters
if ((code & 0xf0) == 0x90) // only 0x90-0x9f, not 0x10-0x1f?
line_attr = code & 0x0f;
inverse = bool(BIT(line_attr, 0));
half = bool(BIT(line_attr, 1));
underline = bool(BIT(line_attr, 2));
blink = bool(BIT(line_attr, 3));
}
// correct some issues because of the wrong charrom
if ((code & 0x7f) == 0 || ((code & 0x7f) >= 0x10 && (code & 0x7f) <= 0x14))
data = 0x00;
// display of control characters
if (BIT(m_highlight, 0) == 0 && (code & 0x60) == 0)
data = 0x00;
if (underline && i == 10)
data = 0xff;
if (blink && m_screen->frame_number() & 0x08) // timing?
data = 0x00;
if (inverse)
data ^= 0xff;
if (y == m_cursor_row && x == m_cursor_col && m_screen->frame_number() & 0x08)
data = 0xff;
// 8 pixels of the character
bitmap.pix(y * 12 + i, x * 8 + 0) = palette[BIT(data, 7) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 1) = palette[BIT(data, 6) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 2) = palette[BIT(data, 5) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 3) = palette[BIT(data, 4) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 4) = palette[BIT(data, 3) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 5) = palette[BIT(data, 2) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 6) = palette[BIT(data, 1) ? 2 - (half ? 1 : 0) : 0];
bitmap.pix(y * 12 + i, x * 8 + 7) = palette[BIT(data, 0) ? 2 - (half ? 1 : 0) : 0];
}
// next char
addr++;
}
}
return 0;
}
//**************************************************************************
// CENTRONICS
//**************************************************************************
void basf7100_state::centronics_ctrl_w(uint8_t data)
{
// ppi configured in mode1 (strobed output)
m_centronics->write_strobe(BIT(data, 7));
}
void basf7100_state::centronics_busy_w(int state)
{
m_int_flags &= ~INT_CENTRONICS;
m_int_flags |= state ? 0x00 : INT_CENTRONICS;
m_pic->ir6_w(state);
}
//**************************************************************************
// FLOPPY
//**************************************************************************
static void basf7100_floppies(device_slot_interface &device)
{
device.option_add("basf6106", FLOPPY_525_SSSD);
}
void basf7100_state::fdc_drq_w(int state)
{
m_fdc_drq = bool(state);
}
uint8_t basf7100_state::fdc_ctrl_r()
{
// 7------- unknown, checked after seek cmd
// -654321- unknown
// -------0 fdc drq
uint8_t data = 0x00;
data |= 1 << 7;
data |= (m_fdc_drq ? 0x01 : 0x00);
return data;
}
void basf7100_state::fdc_ctrl_w(uint8_t data)
{
// 7654---- unknown
// ----3--- motor on?
// -----2-- unknown
// ------10 drive select
if (data != 0x08)
logerror("fdc_ctrl_w: %04x\n", data);
floppy_image_device *floppy = nullptr;
if ((data & 0x03) < 3)
floppy = m_floppy[data & 0x03]->get_device();
m_fdc->set_floppy(floppy);
// motor runs all the time for now
if (floppy)
floppy->mon_w(0);
// set to mfm
m_fdc->dden_w(0);
}
void basf7100_state::fdc_intrq_vector_w(uint8_t data)
{
m_fdc_intrq_vector = data;
}
void basf7100_state::unk_cc_w(uint8_t data)
{
logerror("unk_cc_w: %02x\n", data);
m_bootview.disable();
m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE);
m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
}
//**************************************************************************
// MACHINE EMULATION
//**************************************************************************
uint8_t basf7100_state::mmio_r(offs_t offset)
{
return m_maincpu->space(AS_IO).read_byte(offset);
}
void basf7100_state::mmio_w(offs_t offset, uint8_t data)
{
m_maincpu->space(AS_IO).write_byte(offset, data);
}
IRQ_CALLBACK_MEMBER( basf7100_state::maincpu_irq_callback )
{
uint32_t vector = 0;
vector |= m_pic->acknowledge() << 16;
vector |= m_pic->acknowledge();
vector |= m_pic->acknowledge() << 8;
return vector;
}
IRQ_CALLBACK_MEMBER( basf7100_state::fdccpu_irq_callback )
{
return m_fdc_intrq_vector;
}
void basf7100_state::machine_start()
{
// register for save states
save_item(NAME(m_cursor_col));
save_item(NAME(m_cursor_row));
save_item(NAME(m_highlight));
save_item(NAME(m_roll_offset));
save_item(NAME(m_sod));
save_item(NAME(m_fdc_intrq_vector));
save_item(NAME(m_fdc_drq));
save_item(NAME(m_int_flags));
}
void basf7100_state::machine_reset()
{
m_bootview.select(0);
m_fdccpu->set_pc(0xfc00);
}
//**************************************************************************
// MACHINE DEFINTIONS
//**************************************************************************
void basf7100_state::basf7100(machine_config &config)
{
Z80(config, m_maincpu, 4000000);
m_maincpu->set_addrmap(AS_PROGRAM, &basf7100_state::mem_map);
m_maincpu->set_addrmap(AS_IO, &basf7100_state::io_map);
m_maincpu->set_irq_acknowledge_callback(FUNC(basf7100_state::maincpu_irq_callback));
Z80(config, m_fdccpu, 4000000);
m_fdccpu->set_addrmap(AS_PROGRAM, &basf7100_state::fdc_mem_map);
m_fdccpu->set_addrmap(AS_IO, &basf7100_state::fdc_io_map);
m_fdccpu->set_irq_acknowledge_callback(FUNC(basf7100_state::fdccpu_irq_callback));
PIC8259(config, m_pic, 0);
m_pic->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
I8251(config, m_usart[0], 0); // unknown clock
m_usart[0]->txd_handler().set("rs232", FUNC(rs232_port_device::write_txd));
m_usart[0]->rts_handler().set("rs232", FUNC(rs232_port_device::write_rts));
m_usart[0]->dtr_handler().set("rs232", FUNC(rs232_port_device::write_dtr));
com8116_device &brg0(COM8116(config, "brg0", 5.0688_MHz_XTAL));
brg0.fr_handler().set(m_usart[0], FUNC(i8251_device::write_rxc));
brg0.ft_handler().set(m_usart[0], FUNC(i8251_device::write_txc));
rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, nullptr));
rs232.rxd_handler().set(m_usart[0], FUNC(i8251_device::write_rxd));
rs232.cts_handler().set(m_usart[0], FUNC(i8251_device::write_cts));
rs232.dsr_handler().set(m_usart[0], FUNC(i8251_device::write_dsr));
I8251(config, m_usart[1], 0); // unknown clock
m_usart[1]->txd_handler().set("auxrs232", FUNC(rs232_port_device::write_txd));
m_usart[1]->rts_handler().set("auxrs232", FUNC(rs232_port_device::write_rts));
m_usart[1]->dtr_handler().set("auxrs232", FUNC(rs232_port_device::write_dtr));
com8116_device &brg1(COM8116(config, "brg1", 5.0688_MHz_XTAL));
brg1.fr_handler().set(m_usart[1], FUNC(i8251_device::write_rxc));
brg1.ft_handler().set(m_usart[1], FUNC(i8251_device::write_txc));
rs232_port_device &auxrs232(RS232_PORT(config, "auxrs232", default_rs232_devices, nullptr));
auxrs232.rxd_handler().set(m_usart[1], FUNC(i8251_device::write_rxd));
auxrs232.cts_handler().set(m_usart[1], FUNC(i8251_device::write_cts));
auxrs232.dsr_handler().set(m_usart[1], FUNC(i8251_device::write_dsr));
I8255(config, m_ppi[0]);
// port a: input (switches?)
m_ppi[0]->in_pb_callback().set("keyboard", FUNC(basf7100_kbd_device::read));
m_ppi[0]->out_pc_callback().set(FUNC(basf7100_state::keyboard_w));
I8255(config, m_ppi[1]);
m_ppi[1]->out_pa_callback().set("centronics_latch", FUNC(output_latch_device::write));
// port b: output (leds?)
m_ppi[1]->out_pc_callback().set(FUNC(basf7100_state::centronics_ctrl_w));
I8255(config, m_ppi[2]);
// port a: input (rs232 flags, auto dial)
// port b: output (auto dialer digits)
// port c: input (auto dialer status), output (rs232 and auto dialer control)
I8255(config, m_ppi[3]);
m_ppi[3]->out_pa_callback().set(FUNC(basf7100_state::cursor_col_w));
m_ppi[3]->out_pb_callback().set(FUNC(basf7100_state::cursor_row_w));
m_ppi[3]->out_pc_callback().set(FUNC(basf7100_state::highlight_w));
I8255(config, m_ppi[4]);
m_ppi[4]->out_pa_callback().set(FUNC(basf7100_state::roll_offset_w));
m_ppi[4]->out_pb_callback().set(FUNC(basf7100_state::sod_high_w));
m_ppi[4]->out_pc_callback().set(FUNC(basf7100_state::sod_low_w));
// video
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
m_screen->set_color(rgb_t::green());
m_screen->set_size(640, 288); // wrong because of wrong charrom
m_screen->set_visarea_full();
m_screen->set_refresh_hz(60);
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
m_screen->set_screen_update(FUNC(basf7100_state::screen_update));
m_screen->screen_vblank().set(FUNC(basf7100_state::vblank_w));
GFXDECODE(config, "gfxdecode", "palette", gfx_crt8002);
PALETTE(config, m_palette, palette_device::MONOCHROME_HIGHLIGHT);
// centronics
output_latch_device ¢ronics_latch(OUTPUT_LATCH(config, "centronics_latch"));
CENTRONICS(config, m_centronics, centronics_devices, "printer");
m_centronics->set_output_latch(centronics_latch);
m_centronics->ack_handler().set(m_ppi[1], FUNC(i8255_device::pc6_w));
m_centronics->busy_handler().set(FUNC(basf7100_state::centronics_busy_w));
// floppy
FD1791(config, m_fdc, 1000000);
m_fdc->intrq_wr_callback().set_inputline(m_fdccpu, INPUT_LINE_IRQ0);
m_fdc->drq_wr_callback().set(FUNC(basf7100_state::fdc_drq_w));
FLOPPY_CONNECTOR(config, "fdc:0", basf7100_floppies, "basf6106", floppy_image_device::default_mfm_floppy_formats);
FLOPPY_CONNECTOR(config, "fdc:1", basf7100_floppies, "basf6106", floppy_image_device::default_mfm_floppy_formats);
FLOPPY_CONNECTOR(config, "fdc:2", basf7100_floppies, "basf6106", floppy_image_device::default_mfm_floppy_formats);
SOFTWARE_LIST(config, "floppy_list").set_original("basf7100");
// keyboard
basf7100_kbd_device &keyboard(BASF7100_KBD(config, "keyboard"));
keyboard.int_handler().set(m_ppi[0], FUNC(i8255_device::pc2_w));
}
//**************************************************************************
// ROM DEFINITIONS
//**************************************************************************
ROM_START( basf7120 )
ROM_REGION(0x20, "maincpu", 0)
ROM_LOAD("19-2113-2.u21", 0x00, 0x20, CRC(4405e26f) SHA1(0f93c47e9f546b42a85e5eced58337e0add443c4)) // IM5610CJE
ROM_REGION(0x400, "fdccpu", 0)
ROM_LOAD("19-2130-2h.u45", 0x000, 0x400, CRC(cb077c69) SHA1(dfa16082b88275442c48082aeb5f62fe1238ae3e)) // 2708
ROM_REGION(0x50, "floppy_pal", 0)
ROM_LOAD("19-2131-1.u23", 0x00, 0x28, CRC(f37ed4bc) SHA1(824b4405f396c262cf8116f85eb0b548eabb4c04)) // PAL10L8MJ
ROM_LOAD("19-2132-1.u24", 0x28, 0x28, CRC(b918ff18) SHA1(c6d7cd9642ed32e56b5c1df1ddf3afe09d744ebc)) // PAL10L8MJ
ROM_REGION(0x100, "prom", 0)
ROM_LOAD("video.30", 0x000, 0x100, CRC(89175ac9) SHA1(69b2055bee87e11cc74c70cef2f2bebcbd0004c9)) // N82S129N (label missing)
ROM_REGION(0x800, "chargen", 0)
ROM_LOAD("160a002-b.bin", 0x000, 0x800, BAD_DUMP CRC(8787145c) SHA1(91d8c79f901a41117e99325a53b677f06baf1074)) // handcrafted, wrong
ROM_END
} // anonymous namespace
//**************************************************************************
// SYSTEM DRIVERS
//**************************************************************************
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
COMP( 1982, basf7120, 0, 0, basf7100, basf7100, basf7100_state, empty_init, "BASF", "7120", MACHINE_IMPERFECT_GRAPHICS | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE )
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