// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic , Robbbert /************************************************************************************* Robotron Z9001 (KC85/1) 2009-05-12 Skeleton driver. 2011-07-13 Notes added. You can enter text via terminal input. Colour and flashing added. 2019-06-13 Basic enabled All input should be in UPPER case. For KC87_10/11/20/21, type BASIC to start Basic. The only other kind of acceptable input is a filename that is in 8.3 format and begins with a letter. It will say 'start tape'. You can press ^C here to escape, or any key to continue. Some other control keys: ^B clear input line ^C break ^F toggle flashing attribute ^H backspace ^L clear screen ToDo: - cassette in - interrupt-driven via PIO1 via astb should cause interrupt but nothing happens. - proper keyboard - interrupt-driven via PIO2 pressing any key should program ctc/2 to a debounce delay and this then causes another interrupt which reads keyboard and places ascii character at 0x0025. - get rid of temporary code **************************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/z80daisy.h" #include "imagedev/cassette.h" #include "machine/timer.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "sound/beep.h" #include "emupal.h" #include "screen.h" #include "speaker.h" // temporary #include "machine/keyboard.h" class z9001_state : public driver_device { public: z9001_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_framecnt(0) , m_maincpu(*this, "maincpu") , m_beeper(*this, "beeper") , m_cass(*this, "cassette") , m_p_colorram(*this, "colorram") , m_p_videoram(*this, "videoram") , m_p_chargen(*this, "chargen") { } void z9001(machine_config &config); private: void kbd_put(u8 data); DECLARE_WRITE8_MEMBER(port88_w); DECLARE_WRITE_LINE_MEMBER(cass_w); TIMER_DEVICE_CALLBACK_MEMBER(timer_callback); uint32_t screen_update_z9001(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void z9001_io(address_map &map); void z9001_mem(address_map &map); uint8_t m_framecnt; bool m_cassbit; virtual void machine_reset() override; //virtual void machine_start(); required_device m_maincpu; required_device m_beeper; required_device m_cass; required_shared_ptr m_p_colorram; required_shared_ptr m_p_videoram; required_region_ptr m_p_chargen; }; void z9001_state::z9001_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0xe7ff).ram(); map(0xe800, 0xebff).ram().share("colorram"); map(0xc000, 0xe7ff).rom(); map(0xec00, 0xefff).ram().share("videoram"); map(0xf000, 0xffff).rom(); } void z9001_state::z9001_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x80, 0x83).mirror(4).rw("ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); map(0x88, 0x8B).mirror(4).rw("pio1", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); map(0x90, 0x93).mirror(4).rw("pio2", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); } /* Input ports */ static INPUT_PORTS_START( z9001 ) INPUT_PORTS_END static const z80_daisy_config z9001_daisy_chain[] = { { "pio2" }, { "pio1" }, { "ctc" }, { nullptr } }; //Bits0,1 not connected; 2,3,4,5 go to a connector; 6 goes to 'graphics' LED; 7 goes to speaker. WRITE8_MEMBER( z9001_state::port88_w ) { m_beeper->set_state(BIT(data, 7)); } WRITE_LINE_MEMBER( z9001_state::cass_w ) { if (state) { m_cassbit ^= 1; m_cass->output( m_cassbit ? -1.0 : +1.0); } } // temporary (prevent freezing when you type an invalid filename) TIMER_DEVICE_CALLBACK_MEMBER(z9001_state::timer_callback) { m_maincpu->space(AS_PROGRAM).write_byte(0x006a, 0); } void z9001_state::machine_reset() { m_maincpu->set_state_int(Z80_PC, 0xf000); } uint32_t z9001_state::screen_update_z9001(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { uint8_t y,ra,chr,gfx,col,fg,bg; uint16_t sy=0,ma=0,x; m_framecnt++; for(y = 0; y < 24; y++ ) { for (ra = 0; ra < 8; ra++) { uint16_t *p = &bitmap.pix16(sy++); for (x = ma; x < ma + 40; x++) { chr = m_p_videoram[x]; // get char in videoram gfx = m_p_chargen[(chr<<3) | ra]; // get dot pattern in chargen col = m_p_colorram[x]; fg = col>>4; bg = col&15; /* Check for flashing - swap bg & fg */ if ((BIT(col, 7)) && (m_framecnt & 0x10)) { bg = fg; fg = col&15; } /* Display a scanline of a character */ *p++ = BIT(gfx, 7) ? fg : bg; *p++ = BIT(gfx, 6) ? fg : bg; *p++ = BIT(gfx, 5) ? fg : bg; *p++ = BIT(gfx, 4) ? fg : bg; *p++ = BIT(gfx, 3) ? fg : bg; *p++ = BIT(gfx, 2) ? fg : bg; *p++ = BIT(gfx, 1) ? fg : bg; *p++ = BIT(gfx, 0) ? fg : bg; } } ma+=40; } return 0; } /* F4 Character Displayer */ static const gfx_layout z9001_charlayout = { 8, 8, /* 8 x 8 characters */ 1024, /* 4 x 256 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 0, 1, 2, 3, 4, 5, 6, 7 }, /* y offsets */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every char takes 8 bytes */ }; void z9001_state::kbd_put(u8 data) { m_maincpu->space(AS_PROGRAM).write_byte(0x0025, data); } static GFXDECODE_START( gfx_z9001 ) GFXDECODE_ENTRY( "chargen", 0x0000, z9001_charlayout, 0, 1 ) GFXDECODE_END void z9001_state::z9001(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(9'830'400) / 4); m_maincpu->set_addrmap(AS_PROGRAM, &z9001_state::z9001_mem); m_maincpu->set_addrmap(AS_IO, &z9001_state::z9001_io); m_maincpu->set_daisy_config(z9001_daisy_chain); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(40*8, 24*8); screen.set_visarea(0, 40*8-1, 0, 24*8-1); screen.set_screen_update(FUNC(z9001_state::screen_update_z9001)); screen.set_palette("palette"); GFXDECODE(config, "gfxdecode", "palette", gfx_z9001); PALETTE(config, "palette").set_entries(16); /* Sound */ SPEAKER(config, "mono").front_center(); BEEP(config, "beeper", 800).add_route(ALL_OUTPUTS, "mono", 0.50); /* Devices */ generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0)); keyboard.set_keyboard_callback(FUNC(z9001_state::kbd_put)); TIMER(config, "z9001_timer").configure_periodic(FUNC(z9001_state::timer_callback), attotime::from_msec(10)); z80pio_device& pio1(Z80PIO(config, "pio1", XTAL(9'830'400) / 4)); pio1.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); pio1.out_pa_callback().set(FUNC(z9001_state::port88_w)); z80pio_device& pio2(Z80PIO(config, "pio2", XTAL(9'830'400) / 4)); // keyboard PIO pio2.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); z80ctc_device& ctc(Z80CTC(config, "ctc", XTAL(9'830'400) / 4)); ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); ctc.zc_callback<0>().set(FUNC(z9001_state::cass_w)); ctc.zc_callback<2>().set("ctc", FUNC(z80ctc_device::trg3)); CASSETTE(config, m_cass); m_cass->add_route(ALL_OUTPUTS, "mono", 0.05); } /* ROM definition */ ROM_START( z9001 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) ROMX_LOAD( "os____f0.851", 0xf000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) ROM_LOAD( "zg_cga.rom", 0x0800, 0x0800, CRC(697cefb1) SHA1(f57a78a928fe1151b2fedb7f1a93a141195422ff)) ROM_LOAD( "zg_cgai.rom", 0x1000, 0x0800, CRC(ecadf355) SHA1(4d36fefd335903680c45a5e3f38b969d2e9bb621)) ROM_LOAD( "zg_de.rom", 0x1800, 0x0800, CRC(71854b0a) SHA1(912bb7d1f8b4582894125e82da080bd9c3b88f34)) ROM_END #define rom_kc85_111 rom_z9001 ROM_START( kc87_10 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) ROMX_LOAD( "os____f0.851", 0xf000, 0x1000, CRC(9fe60a92) SHA1(553609631f5eaa7d6758a73f56c613e280a5b310), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) ROM_LOAD( "basic_c0.87a", 0xc000, 0x2800, CRC(c508d45e) SHA1(ea85b53e21429c4cb85cdb81b92f278a8f4eb574)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) ROM_LOAD( "zg_cga.rom", 0x0800, 0x0800, CRC(697cefb1) SHA1(f57a78a928fe1151b2fedb7f1a93a141195422ff)) ROM_LOAD( "zg_cgai.rom", 0x1000, 0x0800, CRC(ecadf355) SHA1(4d36fefd335903680c45a5e3f38b969d2e9bb621)) ROM_LOAD( "zg_de.rom", 0x1800, 0x0800, CRC(71854b0a) SHA1(912bb7d1f8b4582894125e82da080bd9c3b88f34)) ROM_END #define rom_kc87_11 rom_kc87_10 ROM_START( kc87_20 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "orig", "Original" ) ROMX_LOAD( "os____f0.87b", 0xf000, 0x1000, CRC(a357d093) SHA1(b1df6b499517c8366a0795030ee800e8a258e938), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "rb20", "ROM-Bank System without menu" ) ROMX_LOAD( "os_rb20.rom", 0xf000, 0x1000, CRC(c783124d) SHA1(c2893ce5bb23b280ba4e982e860586d21de2469b), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "rb21", "ROM-Bank System with menu" ) ROMX_LOAD( "os_rb21.rom", 0xf000, 0x1000, CRC(11eec2dd) SHA1(5dbb661bdf4daf92d6c4ffbbdec674e57917e9eb), ROM_BIOS(2)) ROM_LOAD( "basic_c0.87b", 0xc000, 0x2800, CRC(9e8f6380) SHA1(8ffecc64ba35c953c93738f8568c83dc6af1ae72)) ROM_REGION( 0x2000, "chargen", 0 ) ROM_LOAD( "chargen.851", 0x0000, 0x0800, CRC(dd9c0f4e) SHA1(2e4928ba7161f5cce7173b7d2ded3d6596ae2aa2)) ROM_LOAD( "zg_cga.rom", 0x0800, 0x0800, CRC(697cefb1) SHA1(f57a78a928fe1151b2fedb7f1a93a141195422ff)) ROM_LOAD( "zg_cgai.rom", 0x1000, 0x0800, CRC(ecadf355) SHA1(4d36fefd335903680c45a5e3f38b969d2e9bb621)) ROM_LOAD( "zg_de.rom", 0x1800, 0x0800, CRC(71854b0a) SHA1(912bb7d1f8b4582894125e82da080bd9c3b88f34)) ROM_END #define rom_kc87_21 rom_kc87_20 /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1984, z9001, 0, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "Z9001 (KC 85/1.10)", MACHINE_NOT_WORKING ) COMP( 1986, kc85_111, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 85/1.11", MACHINE_NOT_WORKING ) COMP( 1987, kc87_10, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.10", MACHINE_NOT_WORKING ) COMP( 1987, kc87_11, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.11", MACHINE_NOT_WORKING ) COMP( 1987, kc87_20, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.20", MACHINE_NOT_WORKING ) COMP( 1987, kc87_21, z9001, 0, z9001, z9001, z9001_state, empty_init, "Robotron", "KC 87.21", MACHINE_NOT_WORKING )