// license:BSD-3-Clause // copyright-holders:Barry Rodewald, Robbbert, R. Belmont, Carl /*************************************************************************** Triumph-Adler (or Royal) Alphatronic PC Driver by Barry Rodewald, Robbbert, R. Belmont and Carl z80 + HD46505SP as a CRTC Other chips: 8251, 8257, 8259 Crystals: 16MHz, 17.73447MHz Floppy format: 13cm, 2 sides, 40 tracks, 16 sectors, 256 bytes = 320kb. FDC (uPD765) is in a plug-in module, there is no ROM on the module. A configuration switch determines if the FDC is present. Has a socket for monochrome (to the standard amber monitor), and another for RGB. We emulate this with a configuration switch. Natural keyboard is set up for bios 1. ToDo: - Newer ROM set from Team Europe and try to work out the graphics expansion ***************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "imagedev/floppy.h" #include "formats/pc_dsk.h" #include "formats/dsk_dsk.h" #include "formats/td0_dsk.h" #include "machine/clock.h" #include "machine/i8251.h" #include "machine/ram.h" #include "machine/bankdev.h" #include "machine/upd765.h" #include "machine/i8257.h" #include "bus/generic/carts.h" #include "bus/generic/slot.h" #include "sound/beep.h" #include "video/mc6845.h" #include "emupal.h" #include "screen.h" #include "softlist.h" #include "speaker.h" class alphatro_state : public driver_device { public: alphatro_state(const machine_config &mconfig, device_type type, const char *tag, bool is_ntsc) : driver_device(mconfig, type, tag) , m_is_ntsc(is_ntsc) , m_ram(*this, RAM_TAG) , m_p_videoram(*this, "videoram") , m_p_chargen(*this, "chargen") , m_maincpu(*this, "maincpu") , m_crtc(*this, "crtc") , m_usart(*this, "usart") , m_cass(*this, "cassette") , m_beep(*this, "beeper") , m_palette(*this, "palette") , m_lowbank(*this, "lowbank") , m_cartbank(*this, "cartbank") , m_monbank(*this, "monbank") , m_fdc(*this, "fdc") , m_floppy(*this, "fdc:%u", 0U) , m_dmac(*this, "dmac") , m_config(*this, "CONFIG") , m_cart(*this, "cartslot") { } void alphatro(machine_config &config); DECLARE_INPUT_CHANGED_MEMBER(alphatro_break); protected: virtual void machine_start() override; virtual void machine_reset() override; private: uint8_t ram0000_r(offs_t offset); void ram0000_w(offs_t offset, uint8_t data); uint8_t ram6000_r(offs_t offset); void ram6000_w(offs_t offset, uint8_t data); uint8_t rama000_r(offs_t offset); void rama000_w(offs_t offset, uint8_t data); uint8_t rame000_r(offs_t offset); void rame000_w(offs_t offset, uint8_t data); uint8_t port10_r(); void port10_w(uint8_t data); void port20_w(uint8_t data); uint8_t port30_r(); void port30_w(uint8_t data); uint8_t portf0_r(); void portf0_w(uint8_t data); DECLARE_WRITE_LINE_MEMBER(hrq_w); DECLARE_WRITE_LINE_MEMBER(fdc_irq_w); void alphatro_palette(palette_device &palette) const; DECLARE_WRITE_LINE_MEMBER(kansas_r); DECLARE_WRITE_LINE_MEMBER(kansas_w); MC6845_UPDATE_ROW(crtc_update_row); image_init_result load_cart(device_image_interface &image, generic_slot_device *slot); DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load) { return load_cart(image, m_cart); } DECLARE_FLOPPY_FORMATS( floppy_formats ); void alphatro_io(address_map &map); void alphatro_map(address_map &map); void cartbank_map(address_map &map); void monbank_map(address_map &map); void rombank_map(address_map &map); void update_banking(); const bool m_is_ntsc; uint8_t *m_ram_ptr; required_device m_ram; required_shared_ptr m_p_videoram; u8 m_flashcnt; u8 m_cass_data[4]; u8 m_port_10, m_port_20, m_port_30, m_port_f0; bool m_cassbit; bool m_cassold, m_fdc_irq; required_region_ptr m_p_chargen; required_device m_maincpu; required_device m_crtc; required_device m_usart; required_device m_cass; required_device m_beep; required_device m_palette; required_device m_lowbank, m_cartbank, m_monbank; required_device m_fdc; required_device_array m_floppy; required_device m_dmac; required_ioport m_config; required_device m_cart; }; class alphatro_pal_state : public alphatro_state { public: alphatro_pal_state(const machine_config &mconfig, device_type type, const char *tag) : alphatro_state(mconfig, type, tag, false) { } }; class alphatro_ntsc_state : public alphatro_state { public: alphatro_ntsc_state(const machine_config &mconfig, device_type type, const char *tag) : alphatro_state(mconfig, type, tag, true) { } }; void alphatro_state::update_banking() { if (m_port_10 & 0x80) // RAM at 0000? { m_lowbank->set_bank(1); } else { m_lowbank->set_bank(0); } if (m_port_10 & 0x40) // ROM cartridge at A000 { m_cartbank->set_bank(0); } else { m_cartbank->set_bank(1); } if (m_port_20 & 0x08) // VRAM at F000? { m_monbank->set_bank(0); } else { if (m_port_20 & 0x40) // IPL or Monitor at F000? { m_monbank->set_bank(2); } else { m_monbank->set_bank(1); } } } uint8_t alphatro_state::ram0000_r(offs_t offset) { if (offset < 0xf000) { return m_ram_ptr[offset]; } return m_p_videoram[offset & 0xfff]; } void alphatro_state::ram0000_w(offs_t offset, uint8_t data) { if (offset < 0xf000) { m_ram_ptr[offset] = data; } else { m_p_videoram[offset & 0xfff] = data; } } uint8_t alphatro_state::ram6000_r(offs_t offset) { return m_ram_ptr[offset+0x6000]; } void alphatro_state::ram6000_w(offs_t offset, uint8_t data) { m_ram_ptr[offset+0x6000] = data; } uint8_t alphatro_state::rama000_r(offs_t offset) { return m_ram_ptr[offset+0xa000]; } void alphatro_state::rama000_w(offs_t offset, uint8_t data) { m_ram_ptr[offset+0xa000] = data; } uint8_t alphatro_state::rame000_r(offs_t offset) { return m_ram_ptr[offset+0xe000]; } void alphatro_state::rame000_w(offs_t offset, uint8_t data) { m_ram_ptr[offset+0xe000] = data; } uint8_t alphatro_state::port10_r() { // Bit 0 -> 1 = FDC is installed, 0 = not // Bit 1 -> 1 = Graphic Board is installed, 0 = not // Bits 2-4 = Country select: 0 = Intl, 1 = German, 2 = US // Bit 5 -> 1 = BASIC LPRINT is RS-232, 0 = BASIC LPRINT is Centronics // Bit 6 -> 1 = NTSC, 0 = PAL // Bit 7 -> 1 = vblank or hblank, 0 = active display area u8 retval = m_is_ntsc ? 0x40 : 0x00; // we'll get "FDC present" and "graphics expansion present" from the config switches retval |= (m_config->read() & 3); if (!m_crtc->de_r()) { retval |= 0x80; } return retval; } void alphatro_state::port10_w(uint8_t data) { // Bit 0 -> 0 = 40 cols; 1 = 80 cols // Bit 1 -> 0 = display enable, 1 = display inhibit // Bit 2 -> 0 = USART is connected to cassette, 1 = RS232 port // Bit 3 -> 0 = cassette motor off, 1 = cassette motor on // Bit 4 -> 0 = beeper off, 1 = beeper on // Bit 5 -> always 0 // Bit 6 -> 1 = select ROM pack at A000, 0 = RAM at A000 // Bit 7 -> 0 = ROM enabled at 0, 1 = RAM enabled if (BIT(data ^ m_port_10, 0)) { if (BIT(data, 0)) m_crtc->set_unscaled_clock(16_MHz_XTAL / 8); else if (m_is_ntsc || system_bios() == 3) // kludge for bios 2, which expects a NTSC clock even for ~50 Hz video m_crtc->set_unscaled_clock(14.318181_MHz_XTAL / 16); else m_crtc->set_unscaled_clock(17.73447_MHz_XTAL / 16); } m_port_10 = data; m_beep->set_state(BIT(data, 4)); m_cass->change_state( BIT(data, 3) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); if (BIT(data,2)) m_cassbit = 1; update_banking(); } void alphatro_state::port20_w(uint8_t data) { // Bit 0 -> 0 = CRTC reset release, 1 = CRTC reset enable // Bit 1 -> 0 = Centronics reset release, 1 = Centronics reset enable // Bit 2 -> 0 = no Centronics strobe, 1 = Centronics strobe active // Bit 3 -> 0 = Monitor ROM at F000, 1 = VRAM at F000 // Bit 4 -> 0 = Graphic LED off, 1 = Graphic LED on // Bit 5 -> 0 = Shift Lock LED off, 1 = Shift Lock LED on // Bit 6 -> 0 = Lower 4K of Monitor at F000, 1 = Upper 4K of Monitor at F000 // Bit 7 -> N/A m_port_20 = data; update_banking(); } uint8_t alphatro_state::port30_r() { // Bit 0 -> SIOC // Bit 1 -> 1 = vsync, 0 = not // Bit 2 -> 1 = Centronics ACK, 0 = not // Bit 3 -> 1 = Centronics BUSY, 0 = not u8 retval = 0; if (m_crtc->vsync_r()) retval |= 0x02; return retval; } void alphatro_state::port30_w(uint8_t data) { m_port_30 = data; } uint8_t alphatro_state::portf0_r() { return m_fdc_irq << 6; } void alphatro_state::portf0_w(uint8_t data) { if ((data & 0x1) && !(m_port_f0)) { m_fdc->reset(); for (auto &con : m_floppy) { floppy_image_device *floppy = con->get_device(); if (floppy) { floppy->mon_w(0); m_fdc->set_rate(250000); } } } m_port_f0 = data; } MC6845_UPDATE_ROW( alphatro_state::crtc_update_row ) { const rgb_t *pens = m_palette->palette()->entry_list_raw(); bool palette = BIT(m_config->read(), 5); if (y==0) m_flashcnt++; bool inv; u8 chr,gfx,attr,bg,fg; u16 mem,x; u32 *p = &bitmap.pix32(y); for (x = 0; x < x_count; x++) { inv = (x == cursor_x); mem = (ma + x) & 0x7ff; chr = m_p_videoram[mem]; attr = m_p_videoram[mem | 0x800]; bg = (palette) ? 8 : attr & 7; // amber or RGB fg = (palette) ? 0 : (attr & 0x38) >> 3; if (BIT(attr, 7)) // reverse video { inv ^= 1; chr &= 0x7f; } if (BIT(attr, 6) & BIT(m_flashcnt, 4)) // flashing { inv ^= 1; } /* get pattern of pixels for that character scanline */ gfx = m_p_chargen[(chr<<4) | ra]; if (inv) { u8 t = bg; bg = fg; fg = t; } /* Display a scanline of a character (8 pixels) */ *p++ = pens[BIT(gfx, 7) ? fg : bg]; *p++ = pens[BIT(gfx, 6) ? fg : bg]; *p++ = pens[BIT(gfx, 5) ? fg : bg]; *p++ = pens[BIT(gfx, 4) ? fg : bg]; *p++ = pens[BIT(gfx, 3) ? fg : bg]; *p++ = pens[BIT(gfx, 2) ? fg : bg]; *p++ = pens[BIT(gfx, 1) ? fg : bg]; *p++ = pens[BIT(gfx, 0) ? fg : bg]; } } INPUT_CHANGED_MEMBER( alphatro_state::alphatro_break ) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, HOLD_LINE); } void alphatro_state::alphatro_map(address_map &map) { map(0x0000, 0x5fff).m(m_lowbank, FUNC(address_map_bank_device::amap8)); map(0x6000, 0x9fff).rw(FUNC(alphatro_state::ram6000_r), FUNC(alphatro_state::ram6000_w)); map(0xa000, 0xdfff).m("cartbank", FUNC(address_map_bank_device::amap8)); map(0xe000, 0xefff).rw(FUNC(alphatro_state::rame000_r), FUNC(alphatro_state::rame000_w)); map(0xf000, 0xffff).m("monbank", FUNC(address_map_bank_device::amap8)); } void alphatro_state::rombank_map(address_map &map) { map(0x0000, 0x5fff).rom().region("roms", 0x0000).w(FUNC(alphatro_state::ram0000_w)); map(0x6000, 0xbfff).rw(FUNC(alphatro_state::ram0000_r), FUNC(alphatro_state::ram0000_w)); } void alphatro_state::cartbank_map(address_map &map) { map(0x0000, 0x3fff).r(m_cart, FUNC(generic_slot_device::read_rom)).w(FUNC(alphatro_state::rama000_w)); map(0x4000, 0x7fff).rw(FUNC(alphatro_state::rama000_r), FUNC(alphatro_state::rama000_w)); } void alphatro_state::monbank_map(address_map &map) { map(0x0000, 0x0fff).ram().share("videoram"); map(0x1000, 0x1fff).rom().region("roms", 0x8000); map(0x2000, 0x2fff).rom().region("roms", 0x9000); } void alphatro_state::alphatro_io(address_map &map) { map.global_mask(0xff); map.unmap_value_high(); map(0x10, 0x10).rw(FUNC(alphatro_state::port10_r), FUNC(alphatro_state::port10_w)); map(0x20, 0x20).portr("X0").w(FUNC(alphatro_state::port20_w)); map(0x21, 0x21).portr("X1"); map(0x22, 0x22).portr("X2"); map(0x23, 0x23).portr("X3"); map(0x24, 0x24).portr("X4"); map(0x25, 0x25).portr("X5"); map(0x26, 0x26).portr("X6"); map(0x27, 0x27).portr("X7"); map(0x28, 0x28).portr("X8"); map(0x29, 0x29).portr("X9"); map(0x2a, 0x2a).portr("XA"); map(0x2b, 0x2b).portr("XB"); map(0x30, 0x30).rw(FUNC(alphatro_state::port30_r), FUNC(alphatro_state::port30_w)); // USART for cassette reading and writing map(0x40, 0x41).rw(m_usart, FUNC(i8251_device::read), FUNC(i8251_device::write)); // CRTC - HD46505 / HD6845SP map(0x50, 0x50).w(m_crtc, FUNC(mc6845_device::address_w)); map(0x51, 0x51).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); // 8257 DMAC map(0x60, 0x68).rw(m_dmac, FUNC(i8257_device::read), FUNC(i8257_device::write)); // 8259 PIT //map(0x70, 0x72).r(FUNC(alphatro_state::)).w(FUNC(alphatro_state::)); map(0xf0, 0xf0).r(FUNC(alphatro_state::portf0_r)).w(FUNC(alphatro_state::portf0_w)); map(0xf8, 0xf8).rw(m_fdc, FUNC(upd765a_device::fifo_r), FUNC(upd765a_device::fifo_w)); map(0xf9, 0xf9).r(m_fdc, FUNC(upd765a_device::msr_r)); } static INPUT_PORTS_START( alphatro ) PORT_START("X0") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_START("X1") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad - /") PORT_CODE(KEYCODE_MINUS_PAD) PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad =") PORT_CODE(KEYCODE_ASTERISK) // keypad equals PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Keypad + x") PORT_CODE(KEYCODE_PLUS_PAD) PORT_START("X2") PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_START("X3") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_START("X4") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_START("X5") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_START("X6") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('_') PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR(0xa3) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_START("X7") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^ ~") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') // bios 1 only PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("@ `") PORT_CODE(KEYCODE_DEL) PORT_CHAR('@') PORT_CHAR('`') // bios 1 only PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') // bios 1 only PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') // bios 1 only PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_START("X8") PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(32) PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') // bios 1 only PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_START("X9") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("(C)") // reserved for future use with CP/M PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_START("XA") PORT_BIT(0x02,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("INS DEL") PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Graph") PORT_CODE(KEYCODE_PGUP) PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Clear Home") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) PORT_START("XB") PORT_BIT(0x04,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_BIT(0x08,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_BIT(0x10,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_BIT(0x20,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_START("other") PORT_BIT(0x01,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHANGED_MEMBER(DEVICE_SELF,alphatro_state,alphatro_break,0) PORT_START("CONFIG") PORT_CONFNAME( 0x20, 0x00, "Monitor") PORT_CONFSETTING( 0x00, "RGB") PORT_CONFSETTING( 0x20, "Amber") PORT_CONFNAME(0x01, 0x00, "Floppy disk installed") PORT_CONFSETTING(0x00, "Not present") PORT_CONFSETTING(0x01, "Installed") INPUT_PORTS_END static const gfx_layout charlayout = { 8,16, RGN_FRAC(1,1), 1, { RGN_FRAC(0,1) }, { 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, 12*8, 13*8, 14*8, 15*8 }, 8*16 }; static GFXDECODE_START( gfx_alphatro ) GFXDECODE_ENTRY( "chargen", 0, charlayout, 0, 4 ) GFXDECODE_END void alphatro_state::machine_start() { m_port_10 = 0x01; save_item(NAME(m_port_10)); save_item(NAME(m_port_20)); save_item(NAME(m_cass_data)); save_item(NAME(m_cassbit)); save_item(NAME(m_cassold)); } void alphatro_state::machine_reset() { m_ram_ptr = m_ram->pointer(); port10_w(0); m_port_20 = 0; update_banking(); m_cass_data[0] = m_cass_data[1] = m_cass_data[2] = m_cass_data[3] = 0; m_cassbit = 1; m_cassold = 1; m_fdc_irq = 0; m_usart->write_rxd(1); m_usart->write_cts(0); m_beep->set_state(0); } image_init_result alphatro_state::load_cart(device_image_interface &image, generic_slot_device *slot) { uint32_t size = slot->common_get_size("rom"); if ((size != 0x4000) && (size != 0x2000)) { image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid size, must be 8 or 16 K" ); return image_init_result::FAIL; } slot->rom_alloc(0x4000, GENERIC_ROM8_WIDTH, ENDIANNESS_BIG); if (size == 0x4000) // 16K ROMs come in at 0xA000 { slot->common_load_rom(slot->get_rom_base(), size, "rom"); } else // load 8K ROMs at an offset of 8K so they end up at 0xC000 { slot->common_load_rom(slot->get_rom_base()+0x2000, size, "rom"); } return image_init_result::PASS; } void alphatro_state::alphatro_palette(palette_device &palette) const { // RGB colours palette.set_pen_color(0, 0x00, 0x00, 0x00); palette.set_pen_color(1, 0x00, 0x00, 0xff); palette.set_pen_color(2, 0xff, 0x00, 0x00); palette.set_pen_color(3, 0xff, 0x00, 0xff); palette.set_pen_color(4, 0x00, 0xff, 0x00); palette.set_pen_color(5, 0x00, 0xff, 0xff); palette.set_pen_color(6, 0xff, 0xff, 0x00); palette.set_pen_color(7, 0xff, 0xff, 0xff); // Amber palette.set_pen_color(8, 0xf7, 0xaa, 0x00); } WRITE_LINE_MEMBER(alphatro_state::kansas_w) { // incoming @19230Hz u8 twobit = m_cass_data[3] & 3; // relay off - exit, but wait for last bit to completely write if ((!BIT(m_port_10, 3)) && (twobit == 0)) { m_cass->output(0); m_cass_data[3] = 0; // reset waveforms return; } if (state) { if (twobit == 0) m_cassold = m_cassbit; if (m_cassold) m_cass->output(BIT(m_cass_data[3], 2) ? -1.0 : +1.0); // 2400Hz else m_cass->output(BIT(m_cass_data[3], 3) ? -1.0 : +1.0); // 1200Hz m_cass_data[3]++; } m_usart->write_txc(state); } WRITE_LINE_MEMBER(alphatro_state::kansas_r) { if (!BIT(m_port_10, 3)) { m_usart->write_rxd(1); m_cass_data[0] = m_cass_data[1] = 0; return; } /* cassette - turn 1200/2400Hz to a bit */ m_cass_data[1]++; uint8_t cass_ws = (m_cass->input() > +0.04) ? 1 : 0; if (cass_ws != m_cass_data[0]) { m_cass_data[0] = cass_ws; m_usart->write_rxd((m_cass_data[1] < 12) ? 1 : 0); m_cass_data[1] = 0; } m_usart->write_rxc(state); } WRITE_LINE_MEMBER(alphatro_state::fdc_irq_w) { m_fdc_irq = state ? false : true; } WRITE_LINE_MEMBER(alphatro_state::hrq_w) { m_maincpu->set_input_line(INPUT_LINE_HALT, state); m_dmac->hlda_w(state); } FLOPPY_FORMATS_MEMBER( alphatro_state::floppy_formats ) FLOPPY_DSK_FORMAT, FLOPPY_PC_FORMAT FLOPPY_FORMATS_END static void alphatro_floppies(device_slot_interface &device) { device.option_add("525dd", FLOPPY_525_DD); } void alphatro_state::alphatro(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 16_MHz_XTAL / 4); m_maincpu->set_addrmap(AS_PROGRAM, &alphatro_state::alphatro_map); m_maincpu->set_addrmap(AS_IO, &alphatro_state::alphatro_io); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); if (m_is_ntsc) screen.set_raw(16_MHz_XTAL, 1016, 0, 640, 271, 0, 216); else screen.set_raw(16_MHz_XTAL, 1016, 0, 640, 314, 0, 240); screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); GFXDECODE(config, "gfxdecode", m_palette, gfx_alphatro); PALETTE(config, m_palette, FUNC(alphatro_state::alphatro_palette), 9); // 8 colours + amber /* sound hardware */ SPEAKER(config, "mono").front_center(); BEEP(config, "beeper", 16_MHz_XTAL / 4 / 13 / 128).add_route(ALL_OUTPUTS, "mono", 1.00); // nominally 2.4 kHz /* Devices */ UPD765A(config, m_fdc, 16_MHz_XTAL / 2, true, true); // clocked through SED-9420C m_fdc->intrq_wr_callback().set(FUNC(alphatro_state::fdc_irq_w)); m_fdc->drq_wr_callback().set(m_dmac, FUNC(i8257_device::dreq2_w)); FLOPPY_CONNECTOR(config, "fdc:0", alphatro_floppies, "525dd", alphatro_state::floppy_formats); FLOPPY_CONNECTOR(config, "fdc:1", alphatro_floppies, "525dd", alphatro_state::floppy_formats); SOFTWARE_LIST(config, "flop_list").set_original("alphatro_flop"); I8257(config, m_dmac, 16_MHz_XTAL / 4); m_dmac->out_hrq_cb().set(FUNC(alphatro_state::hrq_w)); m_dmac->in_memr_cb().set(FUNC(alphatro_state::ram0000_r)); m_dmac->out_memw_cb().set(FUNC(alphatro_state::ram0000_w)); m_dmac->in_ior_cb<2>().set(m_fdc, FUNC(upd765a_device::dma_r)); m_dmac->out_iow_cb<2>().set(m_fdc, FUNC(upd765a_device::dma_w)); m_dmac->out_tc_cb().set(m_fdc, FUNC(upd765a_device::tc_line_w)); HD6845S(config, m_crtc, 16_MHz_XTAL / 8); m_crtc->set_screen("screen"); m_crtc->set_show_border_area(false); m_crtc->set_char_width(8); m_crtc->set_update_row_callback(FUNC(alphatro_state::crtc_update_row)); I8251(config, m_usart, 16_MHz_XTAL / 4); m_usart->txd_handler().set([this] (bool state) { m_cassbit = state; }); clock_device &usart_clock(CLOCK(config, "usart_clock", 16_MHz_XTAL / 4 / 13 / 16)); usart_clock.signal_handler().set(FUNC(alphatro_state::kansas_w)); usart_clock.signal_handler().append(FUNC(alphatro_state::kansas_r)); CASSETTE(config, m_cass); m_cass->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED); m_cass->add_route(ALL_OUTPUTS, "mono", 0.05); m_cass->set_interface("alphatro_cass"); SOFTWARE_LIST(config, "cass_list").set_original("alphatro_cass"); RAM(config, "ram").set_default_size("64K"); /* cartridge */ GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "alphatro_cart", "bin").set_device_load(FUNC(alphatro_state::cart_load)); SOFTWARE_LIST(config, "cart_list").set_original("alphatro_cart"); /* 0000 banking */ ADDRESS_MAP_BANK(config, "lowbank").set_map(&alphatro_state::rombank_map).set_options(ENDIANNESS_BIG, 8, 32, 0x6000); /* A000 banking */ ADDRESS_MAP_BANK(config, "cartbank").set_map(&alphatro_state::cartbank_map).set_options(ENDIANNESS_BIG, 8, 32, 0x4000); /* F000 banking */ ADDRESS_MAP_BANK(config, "monbank").set_map(&alphatro_state::monbank_map).set_options(ENDIANNESS_BIG, 8, 32, 0x1000); } /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( alphatro ) ROM_REGION( 0xa000, "roms", ROMREGION_ERASE00) ROM_SYSTEM_BIOS( 0, "pcb-ig", "Alphatronic PC PCB-IG" ) // correctly displays German Umlauts ROMX_LOAD( "0_b4-6_ic1038.bin", 0x008000, 0x002000, CRC(e337db3b) SHA1(6010bade6a21975636383179903b58a4ca415e49), ROM_BIOS(0) ) ROMX_LOAD( "1_b4-3_ic1058.bin", 0x000000, 0x002000, CRC(1509b15a) SHA1(225c36411de680eb8f4d6b58869460a58e60c0cf), ROM_BIOS(0) ) ROMX_LOAD( "2_b4-3_ic1046.bin", 0x002000, 0x002000, CRC(998a865d) SHA1(294fe64e839ae6c4032d5db1f431c35e0d80d367), ROM_BIOS(0) ) ROMX_LOAD( "3_b4-3_ic1037.bin", 0x004000, 0x002000, CRC(55cbafef) SHA1(e3376b92f80d5a698cdcb2afaa0f3ef4341dd624), ROM_BIOS(0) ) ROM_SYSTEM_BIOS( 1, "pcb-ii", "Alphatronic PC PCB-II") ROMX_LOAD( "613256.ic-1058", 0x0000, 0x6000, CRC(ceea4cb3) SHA1(b332dea0a2d3bb2978b8422eb0723960388bb467), ROM_BIOS(1) ) ROMX_LOAD( "2764.ic-1038", 0x8000, 0x2000, CRC(e337db3b) SHA1(6010bade6a21975636383179903b58a4ca415e49), ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 2, "bicom", "Alphatronic PC PCB-II with BICOM Graphics extension") // correctly displays German Umlauts ROMX_LOAD( "613256.ic-1058", 0x0000, 0x6000, CRC(ceea4cb3) SHA1(b332dea0a2d3bb2978b8422eb0723960388bb467), ROM_BIOS(2) ) ROMX_LOAD( "tapcgv2_ic1038.bin", 0x8000, 0x2000, CRC(446b4235) SHA1(ef835ae46b3fdfe6a6f394971396a577528e7b5a), ROM_BIOS(2) ) ROM_REGION( 0x1000, "chargen", 0 ) ROMX_LOAD( "4_b4-0_ic1067.bin", 0x000000, 0x001000, CRC(00796934) SHA1(8e70f77cfe3eb2ec2051f660518da5c9d409119a), ROM_BIOS(0) ) ROMX_LOAD( "2732.ic-1067", 0x0000, 0x1000, CRC(61f38814) SHA1(35ba31c58a10d5bd1bdb202717792ca021dbe1a8), ROM_BIOS(1) ) ROMX_LOAD( "b40r_ic1067.bin", 0x0000, 0x1000, CRC(543e3ee8) SHA1(3e6c6f8c85d3a5d0735edfec52709c5670ff1646), ROM_BIOS(2) ) ROM_END #define rom_alphatron rom_alphatro COMP( 1983, alphatro, 0, 0, alphatro, alphatro, alphatro_pal_state, empty_init, "Triumph-Adler", "Alphatronic PC (PAL)", MACHINE_SUPPORTS_SAVE ) COMP( 1983, alphatron, alphatro, 0, alphatro, alphatro, alphatro_ntsc_state, empty_init, "Triumph-Adler", "Alphatronic PC (NTSC)", MACHINE_SUPPORTS_SAVE )