// license:BSD-3-Clause // copyright-holders:Mark Garlanger /*************************************************************************** Heathkit H19 A smart terminal designed and manufactured by Heath Company. The keyboard consists of a 9x10 matrix connected to a MM5740AAC/N mask-programmed keyboard controller. The output of this passes through a rom. Input can also come from the serial port (a 8250). Either device will signal an interrupt to the CPU when a key is pressed/data is received. TODO: - speed up emulation - update SW401 baud rate options for Watz ROM - update SW401 & SW402 definitions for Super-19 ROM - update SW401 & SW402 definitions for ULTRA ROM - add option for ULTRA ROMs second page of screen RAM ****************************************************************************/ /*************************************************************************** Memory Layout The U435 three-to-eight line decoder uses A14 and A15 to generate three memory addresses: 1. Program ROM 0x0000 2. Scratchpad RAM 0x4000 3. Display Memory 0xF800 Port Layout Only address lines A5, A6, A7 are used by the U442 three-to-eight line decoder Address Description ---------------------------------------------------- 0x00 Power-up configuration (primary - SW401) 0x20 Power-up configuration (secondary - SW402) 0x40 ACE (communications) 0x60 CRT controller 0x80 Keyboard encoder 0xA0 Keyboard status 0xC0 Key click enable 0xE0 Bell enable ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/ins8250.h" #include "machine/mm5740.h" #include "sound/beep.h" #include "video/mc6845.h" #include "emupal.h" #include "screen.h" #include "speaker.h" // Standard H19 used a 2.048 MHz clock #define H19_CLOCK (XTAL(12'288'000) / 6) #define MC6845_CLOCK (XTAL(12'288'000) /8) #define INS8250_CLOCK (XTAL(12'288'000) /4) // Capacitor value in pF #define H19_KEY_DEBOUNCE_CAPACITOR 5000 #define MM5740_CLOCK (mm5740_device::calc_effective_clock_key_debounce(H19_KEY_DEBOUNCE_CAPACITOR)) // Beep Frequency is 1 KHz #define H19_BEEP_FRQ (H19_CLOCK / 2048) #define KBDC_TAG "mm5740" class h19_state : public driver_device { public: enum { TIMER_KEY_CLICK_OFF, TIMER_BELL_OFF }; h19_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_palette(*this, "palette") , m_maincpu(*this, "maincpu") , m_crtc(*this, "crtc") , m_ace(*this, "ins8250") , m_beep(*this, "beeper") , m_p_videoram(*this, "videoram") , m_p_chargen(*this, "chargen") , m_mm5740(*this, KBDC_TAG) , m_kbdrom(*this, "keyboard") , m_kbspecial(*this, "MODIFIERS") { } void h19(machine_config &config); private: void h19_keyclick_w(uint8_t data); void h19_bell_w(uint8_t data); uint8_t kbd_key_r(); uint8_t kbd_flags_r(); DECLARE_READ_LINE_MEMBER(mm5740_shift_r); DECLARE_READ_LINE_MEMBER(mm5740_control_r); DECLARE_WRITE_LINE_MEMBER(mm5740_data_ready_w); MC6845_UPDATE_ROW(crtc_update_row); void io_map(address_map &map); void mem_map(address_map &map); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; virtual void machine_start() override; required_device m_palette; required_device m_maincpu; required_device m_crtc; required_device m_ace; required_device m_beep; required_shared_ptr m_p_videoram; required_region_ptr m_p_chargen; required_device m_mm5740; required_memory_region m_kbdrom; required_ioport m_kbspecial; uint8_t m_transchar; bool m_strobe; bool m_keyclickactive; bool m_bellactive; uint16_t translate_mm5740_b(uint16_t b); }; void h19_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { switch (id) { case TIMER_KEY_CLICK_OFF: m_keyclickactive = false; break; case TIMER_BELL_OFF: m_bellactive = false; break; default: throw emu_fatalerror("Unknown id in h19_state::device_timer"); } if (!m_keyclickactive && !m_bellactive) m_beep->set_state(0); } void h19_state::mem_map(address_map &map) { map.unmap_value_high(); map(0x0000, 0x1fff).mirror(0x2000).rom(); map(0x4000, 0x4100).mirror(0x3e00).ram(); map(0xc000, 0xc7ff).mirror(0x3800).ram().share("videoram"); } void h19_state::io_map(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x00, 0x00).mirror(0x1f).portr("SW401"); map(0x20, 0x20).mirror(0x1f).portr("SW402"); map(0x40, 0x47).mirror(0x18).rw(m_ace, FUNC(ins8250_device::ins8250_r), FUNC(ins8250_device::ins8250_w)); map(0x60, 0x60).mirror(0x1E).w(m_crtc, FUNC(mc6845_device::address_w)); map(0x61, 0x61).mirror(0x1E).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); map(0x80, 0x80).mirror(0x1f).r(FUNC(h19_state::kbd_key_r)); map(0xA0, 0xA0).mirror(0x1f).r(FUNC(h19_state::kbd_flags_r)); map(0xC0, 0xC0).mirror(0x1f).w(FUNC(h19_state::h19_keyclick_w)); map(0xE0, 0xE0).mirror(0x1f).w(FUNC(h19_state::h19_bell_w)); } /* Input ports */ static INPUT_PORTS_START( h19 ) PORT_START("MODIFIERS") // bit 0 connects to B8 of MM5740 - low if either shift key is // bit 7 is low if a key is pressed PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CapsLock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_PAUSE) PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("OffLine") PORT_CODE(KEYCODE_F12) PORT_TOGGLE PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LeftShift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Repeat") PORT_CODE(KEYCODE_LALT) PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RightShift") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Reset") PORT_CODE(KEYCODE_F10) PORT_START("X1") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("k_X2") PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0-pad") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Dot-pad") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR('.') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Enter-pad") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13) PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_START("X2") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('.') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\'") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('\"') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("{") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('{') PORT_CHAR('}') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1-pad") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2-pad") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3-pad") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_START("X3") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(']') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LF") PORT_CODE(KEYCODE_RWIN) PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DEL") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4-pad") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5-pad") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6-pad") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_START("X4") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("AccentAcute") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BS") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("k_X1") PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7-pad") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8-pad") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR('8') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9-pad") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_START("X5") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Erase") PORT_CODE(KEYCODE_F6) PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Blue") PORT_CODE(KEYCODE_F7) PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Red") PORT_CODE(KEYCODE_F8) PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Gray") PORT_CODE(KEYCODE_F9) PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Unused") PORT_START("X6") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_START("X7") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Scroll") PORT_CODE(KEYCODE_LWIN) PORT_START("X8") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_START("X9") PORT_BIT(0x001, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x002, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') PORT_BIT(0x004, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x008, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x010, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x020, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') PORT_BIT(0x040, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') PORT_BIT(0x080, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') PORT_BIT(0x100, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') PORT_BIT(0x200, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27) PORT_START("SW401") PORT_DIPNAME( 0x0f, 0x0c, "Baud Rate") PORT_DIPSETTING( 0x01, "110") PORT_DIPSETTING( 0x02, "150") PORT_DIPSETTING( 0x03, "300") PORT_DIPSETTING( 0x04, "600") PORT_DIPSETTING( 0x05, "1200") PORT_DIPSETTING( 0x06, "1800") PORT_DIPSETTING( 0x07, "2000") PORT_DIPSETTING( 0x08, "2400") PORT_DIPSETTING( 0x09, "3600") PORT_DIPSETTING( 0x0a, "4800") PORT_DIPSETTING( 0x0b, "7200") PORT_DIPSETTING( 0x0c, "9600") PORT_DIPSETTING( 0x0d, "19200") PORT_DIPNAME( 0x30, 0x00, "Parity") PORT_DIPSETTING( 0x00, DEF_STR(None)) PORT_DIPSETTING( 0x10, "Odd") PORT_DIPSETTING( 0x30, "Even") PORT_DIPNAME( 0x40, 0x00, "Parity Type") PORT_DIPSETTING( 0x00, DEF_STR(Normal)) PORT_DIPSETTING( 0x40, "Stick") PORT_DIPNAME( 0x80, 0x80, "Duplex") PORT_DIPSETTING( 0x00, "Half") PORT_DIPSETTING( 0x80, "Full") PORT_START("SW402") // stored at 40C8 PORT_DIPNAME( 0x01, 0x00, "Cursor") PORT_DIPSETTING( 0x00, "Underline") PORT_DIPSETTING( 0x01, "Block") PORT_DIPNAME( 0x02, 0x00, "Keyclick") PORT_DIPSETTING( 0x02, DEF_STR(No)) PORT_DIPSETTING( 0x00, DEF_STR(Yes)) PORT_DIPNAME( 0x04, 0x00, "Wrap at EOL") PORT_DIPSETTING( 0x00, DEF_STR(No)) PORT_DIPSETTING( 0x04, DEF_STR(Yes)) PORT_DIPNAME( 0x08, 0x00, "Auto LF on CR") PORT_DIPSETTING( 0x00, DEF_STR(No)) PORT_DIPSETTING( 0x08, DEF_STR(Yes)) PORT_DIPNAME( 0x10, 0x00, "Auto CR on LF") PORT_DIPSETTING( 0x00, DEF_STR(No)) PORT_DIPSETTING( 0x10, DEF_STR(Yes)) PORT_DIPNAME( 0x20, 0x00, "Mode") PORT_DIPSETTING( 0x00, "VT52") PORT_DIPSETTING( 0x20, "ANSI") PORT_DIPNAME( 0x40, 0x00, "Keypad Shifted") PORT_DIPSETTING( 0x00, DEF_STR(No)) PORT_DIPSETTING( 0x40, DEF_STR(Yes)) PORT_DIPNAME( 0x80, 0x00, "Refresh") PORT_DIPSETTING( 0x00, "50Hz") PORT_DIPSETTING( 0x80, "60Hz") INPUT_PORTS_END // Keyboard encoder masks #define KB_ENCODER_KEY_VALUE_MASK 0x7F #define KB_ENCODER_CONTROL_KEY_MASK 0x80 // Keyboard flag masks #define KB_STATUS_SHIFT_KEYS_MASK 0x01 #define KB_STATUS_CAPS_LOCK_MASK 0x02 #define KB_STATUS_BREAK_KEY_MASK 0x04 #define KB_STATUS_ONLINE_KEY_MASK 0x08 #define KB_STATUS_REPEAT_KEYS_MASK 0x40 #define KB_STATUS_KEYBOARD_STROBE_MASK 0x80 void h19_state::machine_start() { save_item(NAME(m_transchar)); save_item(NAME(m_strobe)); save_item(NAME(m_keyclickactive)); save_item(NAME(m_bellactive)); } void h19_state::h19_keyclick_w(uint8_t data) { /* Keyclick - 6 mSec */ m_beep->set_state(1); m_keyclickactive = true; timer_set(attotime::from_msec(6), TIMER_KEY_CLICK_OFF); } void h19_state::h19_bell_w(uint8_t data) { /* Bell (^G) - 200 mSec */ m_beep->set_state(1); m_bellactive = true; timer_set(attotime::from_msec(200), TIMER_BELL_OFF); } /*************************************************************************** MM5740 B Mapping to the ROM address B1 -> A0 A10 = 0 B2 -> A1 A9 = 0 B3 -> A2 A8 = B8 B4 -> A3 A7 = B7 B5 -> A4 A6 = B9 B6 -> A5 A5 = B6 B7 -> A7 A4 = B5 B8 -> A8 A3 = B4 B9 -> A6 A2 = B3 ground -> A9 A1 = B2 ground -> A10 A0 = B1 ****************************************************************************/ uint16_t h19_state::translate_mm5740_b(uint16_t b) { return ((b & 0x100) >> 2) | ((b & 0x0c0) << 1) | (b & 0x03f); } uint8_t h19_state::kbd_key_r() { m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE); m_strobe = false; // high bit is for control key pressed, this is handled in the ROM, no processing needed. return m_transchar; } uint8_t h19_state::kbd_flags_r() { uint16_t modifiers = m_kbspecial->read(); uint8_t rv = modifiers & 0x7f; // check both shifts if (((modifiers & 0x020) == 0) || ((modifiers & 0x100) == 0)) { rv |= KB_STATUS_SHIFT_KEYS_MASK; } // invert offline switch rv ^= KB_STATUS_ONLINE_KEY_MASK; if (!m_strobe) { rv |= KB_STATUS_KEYBOARD_STROBE_MASK; } return rv; } READ_LINE_MEMBER(h19_state::mm5740_shift_r) { return ((m_kbspecial->read() ^ 0x120) & 0x120) ? ASSERT_LINE : CLEAR_LINE; } READ_LINE_MEMBER(h19_state::mm5740_control_r) { return ((m_kbspecial->read() ^ 0x10) & 0x10) ? ASSERT_LINE: CLEAR_LINE; } WRITE_LINE_MEMBER(h19_state::mm5740_data_ready_w) { if (state == ASSERT_LINE) { uint8_t *decode = m_kbdrom->base(); m_transchar = decode[translate_mm5740_b(m_mm5740->b_r())]; m_strobe = true; m_maincpu->set_input_line(INPUT_LINE_IRQ0, ASSERT_LINE); } } MC6845_UPDATE_ROW( h19_state::crtc_update_row ) { if (!de) return; const rgb_t *palette = m_palette->palette()->entry_list_raw(); uint32_t *p = &bitmap.pix32(y); for (uint16_t x = 0; x < x_count; x++) { uint8_t inv = (x == cursor_x) ? 0xff : 0; uint8_t chr = m_p_videoram[(ma + x) & 0x7ff]; if (chr & 0x80) { inv ^= 0xff; chr &= 0x7f; } /* get pattern of pixels for that character scanline */ uint8_t gfx = m_p_chargen[(chr<<4) | ra] ^ inv; /* Display a scanline of a character (8 pixels) */ *p++ = palette[BIT(gfx, 7)]; *p++ = palette[BIT(gfx, 6)]; *p++ = palette[BIT(gfx, 5)]; *p++ = palette[BIT(gfx, 4)]; *p++ = palette[BIT(gfx, 3)]; *p++ = palette[BIT(gfx, 2)]; *p++ = palette[BIT(gfx, 1)]; *p++ = palette[BIT(gfx, 0)]; } } /* F4 Character Displayer */ static const gfx_layout h19_charlayout = { 8, 10, /* 8 x 10 characters */ 128, /* 128 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, 9*8 }, 8*16 /* every char takes 16 bytes */ }; static GFXDECODE_START( gfx_h19 ) GFXDECODE_ENTRY( "chargen", 0x0000, h19_charlayout, 0, 1 ) GFXDECODE_END void h19_state::h19(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, H19_CLOCK); // From schematics m_maincpu->set_addrmap(AS_PROGRAM, &h19_state::mem_map); m_maincpu->set_addrmap(AS_IO, &h19_state::io_map); /* video hardware */ // TODO: make configurable, Heath offered 3 different CRTs - White, Green, Amber. screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER, rgb_t::green())); screen.set_refresh_hz(60); // TODO- this is adjustable by dipswitch. screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); screen.set_size(640, 250); screen.set_visarea(0, 640 - 1, 0, 250 - 1); GFXDECODE(config, "gfxdecode", m_palette, gfx_h19); PALETTE(config, "palette", palette_device::MONOCHROME); MC6845(config, m_crtc, MC6845_CLOCK); m_crtc->set_screen("screen"); m_crtc->set_show_border_area(true); m_crtc->set_char_width(8); m_crtc->set_update_row_callback(FUNC(h19_state::crtc_update_row)); m_crtc->out_vsync_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); // frame pulse ins8250_device &uart(INS8250(config, "ins8250", INS8250_CLOCK)); uart.out_int_callback().set_inputline("maincpu", INPUT_LINE_IRQ0); MM5740(config, m_mm5740, MM5740_CLOCK); m_mm5740->x_cb<1>().set_ioport("X1"); m_mm5740->x_cb<2>().set_ioport("X2"); m_mm5740->x_cb<3>().set_ioport("X3"); m_mm5740->x_cb<4>().set_ioport("X4"); m_mm5740->x_cb<5>().set_ioport("X5"); m_mm5740->x_cb<6>().set_ioport("X6"); m_mm5740->x_cb<7>().set_ioport("X7"); m_mm5740->x_cb<8>().set_ioport("X8"); m_mm5740->x_cb<9>().set_ioport("X9"); m_mm5740->shift_cb().set(FUNC(h19_state::mm5740_shift_r)); m_mm5740->control_cb().set(FUNC(h19_state::mm5740_control_r)); m_mm5740->data_ready_cb().set(FUNC(h19_state::mm5740_data_ready_w)); /* sound hardware */ SPEAKER(config, "mono").front_center(); BEEP(config, m_beep, H19_BEEP_FRQ).add_route(ALL_OUTPUTS, "mono", 1.00); } /* ROM definition */ ROM_START( h19 ) ROM_REGION( 0x2000, "maincpu", ROMREGION_ERASEFF ) // Original ROM_LOAD( "2732_444-46_h19code.bin", 0x0000, 0x1000, CRC(f4447da0) SHA1(fb4093d5b763be21a9580a0defebed664b1f7a7b)) ROM_REGION( 0x0800, "chargen", 0 ) // Original font dump ROM_LOAD( "2716_444-29_h19font.bin", 0x0000, 0x0800, CRC(d595ac1d) SHA1(130fb4ea8754106340c318592eec2d8a0deaf3d0)) ROM_REGION( 0x1000, "keyboard", 0 ) // Original dump ROM_LOAD( "2716_444-37_h19keyb.bin", 0x0000, 0x0800, CRC(5c3e6972) SHA1(df49ce64ae48652346a91648c58178a34fb37d3c)) ROM_END ROM_START( super19 ) // Super H19 ROM ROM_REGION( 0x2000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "2732_super19_h447.bin", 0x0000, 0x1000, CRC(6c51aaa6) SHA1(5e368b39fe2f1af44a905dc474663198ab630117)) ROM_REGION( 0x0800, "chargen", 0 ) // Original font dump ROM_LOAD( "2716_444-29_h19font.bin", 0x0000, 0x0800, CRC(d595ac1d) SHA1(130fb4ea8754106340c318592eec2d8a0deaf3d0)) ROM_REGION( 0x1000, "keyboard", 0 ) // Original dump ROM_LOAD( "2716_444-37_h19keyb.bin", 0x0000, 0x0800, CRC(5c3e6972) SHA1(df49ce64ae48652346a91648c58178a34fb37d3c)) ROM_END ROM_START( watz19 ) // Watzman ROM ROM_REGION( 0x2000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "watzman.bin", 0x0000, 0x1000, CRC(8168b6dc) SHA1(bfaebb9d766edbe545d24bc2b6630be4f3aa0ce9)) ROM_REGION( 0x0800, "chargen", 0 ) // Original font dump ROM_LOAD( "2716_444-29_h19font.bin", 0x0000, 0x0800, CRC(d595ac1d) SHA1(130fb4ea8754106340c318592eec2d8a0deaf3d0)) // Watzman keyboard ROM_REGION( 0x1000, "keyboard", 0 ) ROM_LOAD( "keybd.bin", 0x0000, 0x0800, CRC(58dc8217) SHA1(1b23705290bdf9fc6342065c6a528c04bff67b13)) ROM_END ROM_START( ultra19 ) // ULTRA ROM ROM_REGION( 0x2000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "2532_h19_ultra_firmware.bin", 0x0000, 0x1000, CRC(8ad4cdb4) SHA1(d6e1fc37a1f52abfce5e9adb1819e0030bed1df3)) ROM_REGION( 0x0800, "chargen", 0 ) // Original font dump ROM_LOAD( "2716_444-29_h19font.bin", 0x0000, 0x0800, CRC(d595ac1d) SHA1(130fb4ea8754106340c318592eec2d8a0deaf3d0)) // Watzman keyboard ROM_REGION( 0x1000, "keyboard", 0 ) ROM_LOAD( "2716_h19_ultra_keyboard.bin", 0x0000, 0x0800, CRC(76130c92) SHA1(ca39c602af48505139d2750a084b5f8f0e662ff7)) ROM_END // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1979, h19, 0, 0, h19, h19, h19_state, empty_init, "Heath Inc", "Heathkit H-19", MACHINE_SUPPORTS_SAVE ) //Super-19 ROM - ATG Systems, Inc - Adv in Sextant Issue 4, Winter 1983. With the magazine lead-time, likely released late 1982. COMP( 1982, super19, h19, 0, h19, h19, h19_state, empty_init, "Heath Inc", "Heathkit H-19 w/ Super-19 ROM", MACHINE_SUPPORTS_SAVE ) // Watzman ROM - HUG p/n 885-1121, announced in REMark Issue 33, Oct. 1982 COMP( 1982, watz19, h19, 0, h19, h19, h19_state, empty_init, "Heath Inc", "Heathkit H-19 w/ Watzman ROM", MACHINE_SUPPORTS_SAVE ) // ULTRA ROM - Software Wizardry, Inc., (c) 1983 William G. Parrott, III COMP( 1983, ultra19, h19, 0, h19, h19, h19_state, empty_init, "Heath Inc", "Heathkit H-19 w/ ULTRA ROM", MACHINE_SUPPORTS_SAVE )