diff options
Diffstat (limited to 'src/mame/drivers/h19.cpp')
-rw-r--r-- | src/mame/drivers/h19.cpp | 633 |
1 files changed, 0 insertions, 633 deletions
diff --git a/src/mame/drivers/h19.cpp b/src/mame/drivers/h19.cpp deleted file mode 100644 index a4e1ca9ecab..00000000000 --- a/src/mame/drivers/h19.cpp +++ /dev/null @@ -1,633 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Robbbert, 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: - DECLARE_WRITE8_MEMBER(h19_keyclick_w); - DECLARE_WRITE8_MEMBER(h19_bell_w); - DECLARE_READ8_MEMBER(kbd_key_r); - DECLARE_READ8_MEMBER(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_reset() override; - - required_device<palette_device> m_palette; - required_device<cpu_device> m_maincpu; - required_device<mc6845_device> m_crtc; - required_device<ins8250_device> m_ace; - required_device<beep_device> m_beep; - required_shared_ptr<uint8_t> m_p_videoram; - required_region_ptr<u8> m_p_chargen; - required_device<mm5740_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_reset() -{ -} - - -WRITE8_MEMBER( h19_state::h19_keyclick_w ) -{ -/* Keyclick - 6 mSec */ - - m_beep->set_state(1); - m_keyclickactive = true; - timer_set(attotime::from_msec(6), TIMER_KEY_CLICK_OFF); -} - -WRITE8_MEMBER( h19_state::h19_bell_w ) -{ -/* 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); -} - -READ8_MEMBER(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; -} - -READ8_MEMBER(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 ) -{ - 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( 0x10000, "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( 0x10000, "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( 0x10000, "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( 0x10000, "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", 0 ) -//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", 0 ) -// 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", 0 ) -// 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", 0 ) - |