// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** FK-1 12/05/2009 Skeleton driver. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/i8255.h" #include "machine/pit8253.h" #include "machine/i8251.h" #include "machine/ram.h" #include "machine/timer.h" #include "emupal.h" #include "screen.h" class fk1_state : public driver_device { public: fk1_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_ram(*this, RAM_TAG) { } void fk1(machine_config &config); private: required_device m_maincpu; required_device m_ram; DECLARE_WRITE8_MEMBER(fk1_ppi_1_a_w); DECLARE_WRITE8_MEMBER(fk1_ppi_1_b_w); DECLARE_WRITE8_MEMBER(fk1_ppi_1_c_w); DECLARE_READ8_MEMBER(fk1_ppi_1_a_r); DECLARE_READ8_MEMBER(fk1_ppi_1_b_r); DECLARE_READ8_MEMBER(fk1_ppi_1_c_r); DECLARE_WRITE8_MEMBER(fk1_ppi_2_a_w); DECLARE_WRITE8_MEMBER(fk1_ppi_2_c_w); DECLARE_READ8_MEMBER(fk1_ppi_2_b_r); DECLARE_READ8_MEMBER(fk1_ppi_2_c_r); DECLARE_WRITE8_MEMBER(fk1_ppi_3_a_w); DECLARE_WRITE8_MEMBER(fk1_ppi_3_b_w); DECLARE_WRITE8_MEMBER(fk1_ppi_3_c_w); DECLARE_READ8_MEMBER(fk1_ppi_3_a_r); DECLARE_READ8_MEMBER(fk1_ppi_3_b_r); DECLARE_READ8_MEMBER(fk1_ppi_3_c_r); DECLARE_WRITE_LINE_MEMBER(fk1_pit_out0); DECLARE_WRITE_LINE_MEMBER(fk1_pit_out1); DECLARE_WRITE_LINE_MEMBER(fk1_pit_out2); DECLARE_WRITE8_MEMBER(fk1_intr_w); DECLARE_READ8_MEMBER(fk1_bank_ram_r); DECLARE_READ8_MEMBER(fk1_bank_rom_r); DECLARE_WRITE8_MEMBER(fk1_disk_w); DECLARE_READ8_MEMBER(fk1_mouse_r); DECLARE_WRITE8_MEMBER(fk1_reset_int_w); uint8_t m_video_rol; uint8_t m_int_vector; virtual void machine_reset() override; uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback); TIMER_DEVICE_CALLBACK_MEMBER(vsync_callback); IRQ_CALLBACK_MEMBER(fk1_irq_callback); void fk1_io(address_map &map); void fk1_mem(address_map &map); }; /* Port A: Printer Port B: Keyboard Port C: READING : 7 - / OBF(buffer overflow for the printer) 6 - INTE printer 5 - ERROR printer 4 - /PEND, lack of paper 3 - INTR printer 2 - INTE keyboard 1 - IBF (data from the keyboard) 0 - INTR keyboard WRITING : 6 - INTE printer 2 - INTE keyboard */ WRITE8_MEMBER( fk1_state::fk1_ppi_1_a_w ) { // logerror("fk1_ppi_1_a_w %02x\n",data); } WRITE8_MEMBER( fk1_state::fk1_ppi_1_b_w ) { // logerror("fk1_ppi_1_b_w %02x\n",data); } WRITE8_MEMBER( fk1_state::fk1_ppi_1_c_w ) { //logerror("fk1_ppi_1_c_w %02x\n",data); } READ8_MEMBER( fk1_state::fk1_ppi_1_a_r ) { //logerror("fk1_ppi_1_a_r\n"); return 0xff; } READ8_MEMBER( fk1_state::fk1_ppi_1_b_r ) { // logerror("fk1_ppi_1_b_r\n"); return 0; } READ8_MEMBER( fk1_state::fk1_ppi_1_c_r ) { // logerror("fk1_ppi_1_c_r\n"); return 0; } /* Port A: Writing data to disk Port B: Reading data from disk Port C: READING: 7 - / OF A data write to disk, 6 - INTE A, 5 - Select the drive A, B, 4 - Not connected 3 - INTR A 2 - INTE B read data, 1 - IBF B read data, 0 - INTR B WRITING: 6 - INTE A - reading data 2 - INTE B - writing data */ WRITE8_MEMBER( fk1_state::fk1_ppi_2_a_w ) { // logerror("write to disk %02x\n",data); } WRITE8_MEMBER( fk1_state::fk1_ppi_2_c_w ) { // logerror("fk1_ppi_2_c_w %02x\n",data); } READ8_MEMBER( fk1_state::fk1_ppi_2_b_r ) { // logerror("read from disk\n"); return 0; } READ8_MEMBER( fk1_state::fk1_ppi_2_c_r ) { // logerror("fk1_ppi_2_c_r\n"); return 0; } /* Port A: 6 - / disk, authorization disk operations, 3 - INTE MOUSE, permit suspension from mouse, 2 - INTE RTC from the system clock of 50 Hz, 1 and 0 - to set the type for hours write to the disk (01 index, 11 address mark, mark the date, 00 other). Port B: Video ROL register Port C READING: 7 - INDEX ( index mark on the disk) 6 - I do not know, 5 - WRITE_PROTECT the protected disk, 4 - TRAC_00 as a sign of trace WRITING: 3 - HEAD LOAD 2 - TRACK_43 1 - DIRC - direction to set the direction of stepping disk 0 - STEP, move disk (0 1 .. 0.). */ WRITE8_MEMBER( fk1_state::fk1_ppi_3_a_w ) { // logerror("fk1_ppi_3_a_w %02x\n",data); } WRITE8_MEMBER( fk1_state::fk1_ppi_3_b_w ) { m_video_rol = data; } WRITE8_MEMBER( fk1_state::fk1_ppi_3_c_w ) { // logerror("fk1_ppi_3_c_w %02x\n",data); } READ8_MEMBER( fk1_state::fk1_ppi_3_a_r ) { // logerror("fk1_ppi_3_a_r\n"); return 0; } READ8_MEMBER( fk1_state::fk1_ppi_3_b_r ) { return m_video_rol; } READ8_MEMBER( fk1_state::fk1_ppi_3_c_r ) { // logerror("fk1_ppi_3_c_r\n"); return 0; } WRITE_LINE_MEMBER( fk1_state::fk1_pit_out0 ) { // System time logerror("WRITE_LINE_MEMBER(fk1_pit_out0)\n"); } WRITE_LINE_MEMBER( fk1_state::fk1_pit_out1 ) { // Timeout for disk operation logerror("WRITE_LINE_MEMBER(fk1_pit_out1)\n"); } WRITE_LINE_MEMBER( fk1_state::fk1_pit_out2 ) { // Overflow for disk operations logerror("WRITE_LINE_MEMBER(fk1_pit_out2)\n"); } /* 0 no interrupt allowed, 1 allowed INTR-7, 2 allowed INTR-7 and INTR-6, 8 any interruption allowed. */ WRITE8_MEMBER( fk1_state::fk1_intr_w ) { logerror("fk1_intr_w %02x\n",data); } READ8_MEMBER( fk1_state::fk1_bank_ram_r ) { address_space &space_mem = m_maincpu->space(AS_PROGRAM); uint8_t *ram = m_ram->pointer(); space_mem.install_write_bank(0x0000, 0x3fff, "bank1"); membank("bank1")->set_base(ram); membank("bank2")->set_base(ram + 0x4000); return 0; } READ8_MEMBER( fk1_state::fk1_bank_rom_r ) { address_space &space_mem = m_maincpu->space(AS_PROGRAM); space_mem.unmap_write(0x0000, 0x3fff); membank("bank1")->set_base(memregion("maincpu")->base()); membank("bank2")->set_base(m_ram->pointer() + 0x10000); return 0; } /* 4 - FORMAT authorization 3 - READ_ADDRESS_MARK 2 - READ_DATA_MARK 1 - WRITE 0 - READ Functions are allowed in one. */ WRITE8_MEMBER( fk1_state::fk1_disk_w ) { // logerror("fk1_disk_w %02x\n",data); } /* 7 and 6 - 1 to connected mouse and 0 if not connected, 5 - / T2, right-click 4 - / T1, left-click 3 - / BY, Y-axis 2 - / AY, Y-axis 1 - / BX, X-axis 0 - / AX, X-axis */ READ8_MEMBER( fk1_state::fk1_mouse_r ) { // logerror("fk1_mouse_r\n"); return 0; } /*Write to port 70 resets the interrupt from the system clock of 50 Hz. */ WRITE8_MEMBER( fk1_state::fk1_reset_int_w ) { logerror("fk1_reset_int_w\n"); } void fk1_state::fk1_mem(address_map &map) { map(0x0000, 0x3fff).bankrw("bank1"); map(0x4000, 0x7fff).bankrw("bank2"); map(0x8000, 0xbfff).bankrw("bank3"); map(0xc000, 0xffff).bankrw("bank4"); } void fk1_state::fk1_io(address_map &map) { map.global_mask(0xff); map.unmap_value_high(); map(0x00, 0x03).rw("ppi8255_1", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x10, 0x13).rw("pit8253", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); map(0x20, 0x23).rw("ppi8255_2", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x30, 0x30).rw(FUNC(fk1_state::fk1_bank_ram_r), FUNC(fk1_state::fk1_intr_w)); map(0x40, 0x41).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x50, 0x50).rw(FUNC(fk1_state::fk1_bank_rom_r), FUNC(fk1_state::fk1_disk_w)); map(0x60, 0x63).rw("ppi8255_3", FUNC(i8255_device::read), FUNC(i8255_device::write)); map(0x70, 0x70).rw(FUNC(fk1_state::fk1_mouse_r), FUNC(fk1_state::fk1_reset_int_w)); } /* Input ports */ static INPUT_PORTS_START( fk1 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0xA4) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') INPUT_PORTS_END TIMER_DEVICE_CALLBACK_MEMBER(fk1_state::keyboard_callback) { if (ioport("LINE0")->read()) { m_int_vector = 6; m_maincpu->set_input_line(0, HOLD_LINE); } } /* 7 ? DATA_READY 6 ? TIMEOUT 5 ? OVERFLOW 4 ? RTC_50HZ 3 ? MOUSE 2 ? SIO 1 ? KEYBOARD 0 ? PRINTER */ IRQ_CALLBACK_MEMBER(fk1_state::fk1_irq_callback) { logerror("IRQ %02x\n", m_int_vector*2); return m_int_vector * 2; } TIMER_DEVICE_CALLBACK_MEMBER(fk1_state::vsync_callback) { m_int_vector = 3; m_maincpu->set_input_line(0, HOLD_LINE); } void fk1_state::machine_reset() { address_space &space = m_maincpu->space(AS_PROGRAM); uint8_t *ram = m_ram->pointer(); space.unmap_write(0x0000, 0x3fff); membank("bank1")->set_base(memregion("maincpu")->base()); // ROM membank("bank2")->set_base(ram + 0x10000); // VRAM membank("bank3")->set_base(ram + 0x8000); membank("bank4")->set_base(ram + 0xc000); } uint32_t fk1_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { uint8_t code; int y, x, b; uint8_t *ram = m_ram->pointer(); for (x = 0; x < 64; x++) { for (y = 0; y < 256; y++) { code = ram[x * 0x100 + ((y + m_video_rol) & 0xff) + 0x10000]; for (b = 0; b < 8; b++) { bitmap.pix16(y, x*8+b) = ((code << b) & 0x80) ? 1 : 0; } } } return 0; } void fk1_state::fk1(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(8'000'000) / 2); m_maincpu->set_addrmap(AS_PROGRAM, &fk1_state::fk1_mem); m_maincpu->set_addrmap(AS_IO, &fk1_state::fk1_io); m_maincpu->set_irq_acknowledge_callback(FUNC(fk1_state::fk1_irq_callback)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER, rgb_t::green())); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_screen_update(FUNC(fk1_state::screen_update)); screen.set_size(512, 256); screen.set_visarea(0, 512-1, 0, 256-1); screen.set_palette("palette"); PALETTE(config, "palette", palette_device::MONOCHROME); pit8253_device &pit8253(PIT8253(config, "pit8253", 0)); pit8253.set_clk<0>(50); pit8253.out_handler<0>().set(FUNC(fk1_state::fk1_pit_out0)); pit8253.set_clk<1>(1000000); pit8253.out_handler<1>().set(FUNC(fk1_state::fk1_pit_out1)); pit8253.set_clk<2>(0); pit8253.out_handler<2>().set(FUNC(fk1_state::fk1_pit_out2)); i8255_device &ppi1(I8255(config, "ppi8255_1")); ppi1.in_pa_callback().set(FUNC(fk1_state::fk1_ppi_1_a_r)); ppi1.out_pa_callback().set(FUNC(fk1_state::fk1_ppi_1_a_w)); ppi1.in_pb_callback().set(FUNC(fk1_state::fk1_ppi_1_b_r)); ppi1.out_pb_callback().set(FUNC(fk1_state::fk1_ppi_1_b_w)); ppi1.in_pc_callback().set(FUNC(fk1_state::fk1_ppi_1_c_r)); ppi1.out_pc_callback().set(FUNC(fk1_state::fk1_ppi_1_c_w)); i8255_device &ppi2(I8255(config, "ppi8255_2")); ppi2.out_pa_callback().set(FUNC(fk1_state::fk1_ppi_2_a_w)); ppi2.in_pb_callback().set(FUNC(fk1_state::fk1_ppi_2_b_r)); ppi2.in_pc_callback().set(FUNC(fk1_state::fk1_ppi_2_c_r)); ppi2.out_pc_callback().set(FUNC(fk1_state::fk1_ppi_2_c_w)); i8255_device &ppi3(I8255(config, "ppi8255_3")); ppi3.in_pa_callback().set(FUNC(fk1_state::fk1_ppi_3_a_r)); ppi3.out_pa_callback().set(FUNC(fk1_state::fk1_ppi_3_a_w)); ppi3.in_pb_callback().set(FUNC(fk1_state::fk1_ppi_3_b_r)); ppi3.out_pb_callback().set(FUNC(fk1_state::fk1_ppi_3_b_w)); ppi3.in_pc_callback().set(FUNC(fk1_state::fk1_ppi_3_c_r)); ppi3.out_pc_callback().set(FUNC(fk1_state::fk1_ppi_3_c_w)); /* uart */ I8251(config, "uart", 0); /* internal ram */ RAM(config, RAM_TAG).set_default_size("80K"); // 64 + 16 TIMER(config, "keyboard_timer").configure_periodic(FUNC(fk1_state::keyboard_callback), attotime::from_hz(24000)); TIMER(config, "vsync_timer").configure_periodic(FUNC(fk1_state::vsync_callback), attotime::from_hz(50)); } /* ROM definition */ ROM_START( fk1 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "orig", "Original BIOS" ) ROMX_LOAD( "fk1.u65", 0x0000, 0x0800, CRC(145561f8) SHA1(a4eb17d773e51b34620c508b6cebcb4531ae99c2), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "diag", "Diag BIOS" ) ROMX_LOAD( "fk1-diag.u65", 0x0000, 0x0800, CRC(e0660ae1) SHA1(6ad609049b28f27126af0a8a6224362351073dee), ROM_BIOS(1)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1989, fk1, 0, 0, fk1, fk1, fk1_state, empty_init, "Statni statek Klicany", "FK-1", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )