diff options
Diffstat (limited to 'src/mame/drivers/adm31.cpp')
-rw-r--r-- | src/mame/drivers/adm31.cpp | 513 |
1 files changed, 513 insertions, 0 deletions
diff --git a/src/mame/drivers/adm31.cpp b/src/mame/drivers/adm31.cpp new file mode 100644 index 00000000000..483c8e39def --- /dev/null +++ b/src/mame/drivers/adm31.cpp @@ -0,0 +1,513 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/**************************************************************************** + + Skeleton driver for ADM-31 terminal. + + The ADM-31 and ADM-42 Data Display Terminals were Lear Siegler, Inc.'s + first microprocessor-based video terminals, introduced in 1978 as the + respective successors to their earlier ADM-1A and ADM-2 "smart" + terminals. The original ADM-31 model was apparently rebranded in 1980 + as the ADM-31 Intermediate Terminal, and the ADM-32 was released a few + months later. + + While the ADM-31 and ADM-32 only support 2 pages of display memory, the + ADM-42 could be upgraded to 8. Enhancements over the ADM-31 offered by + both the ADM-42 and ADM-32 include a status line, a larger monitor and + a detachable keyboard. Several other expansion options were offered for + the ADM-42, including synchronous serial and parallel printer ports. + +****************************************************************************/ + +#include "emu.h" +//#include "bus/rs232/rs232.h" +#include "cpu/m6800/m6800.h" +#include "machine/com8116.h" +#include "machine/input_merger.h" +#include "machine/6821pia.h" +#include "machine/6850acia.h" +#include "video/tms9927.h" +#include "screen.h" + +class adm31_state : public driver_device +{ +public: + adm31_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_acia(*this, "acia%u", 1U) + , m_brg(*this, "brg") + , m_vtac(*this, "vtac") + , m_chargen(*this, "chargen") + , m_keys(*this, "R%u", 0U) + , m_baud(*this, "BAUD") + , m_caps_lamp(*this, "caps_lamp") + { + } + + void adm31(machine_config &mconfig); + +protected: + virtual void machine_start() override; + virtual void machine_reset() override; + +private: + u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + + void kbd_scan_w(u8 data); + u8 kbd_scan_r(); + void kbd_status_w(u8 data); + + void mem_map(address_map &map); + + required_device<cpu_device> m_maincpu; + required_device_array<acia6850_device, 2> m_acia; + required_device<com8116_device> m_brg; + required_device<crt5027_device> m_vtac; + required_region_ptr<u8> m_chargen; + optional_ioport_array<16> m_keys; + required_ioport m_baud; + output_finder<> m_caps_lamp; + + u8 m_kbd_scan; +}; + + +void adm31_state::machine_start() +{ + m_caps_lamp.resolve(); + + save_item(NAME(m_kbd_scan)); +} + +void adm31_state::machine_reset() +{ + // Baud rate switches read by CPU on ADM-42, but not on ADM-31? + m_brg->stt_str_w(m_baud->read()); +} + + +u32 adm31_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + return 0; +} + + +void adm31_state::kbd_scan_w(u8 data) +{ + m_kbd_scan = data & 0x7f; +} + +u8 adm31_state::kbd_scan_r() +{ + return m_kbd_scan | (BIT(m_keys[(m_kbd_scan & 0x78) >> 3].read_safe(0xff), m_kbd_scan & 0x07) ? 0x00 : 0x80); +} + +void adm31_state::kbd_status_w(u8 data) +{ + m_caps_lamp = BIT(data, 0); +} + +void adm31_state::mem_map(address_map &map) +{ + map(0x0000, 0x03ff).ram(); + map(0x7000, 0x7000).nopw(); + map(0x7800, 0x7803).rw("pia", FUNC(pia6821_device::read), FUNC(pia6821_device::write)); + map(0x7900, 0x7900).portr("S5"); + map(0x7a00, 0x7a01).rw(m_acia[0], FUNC(acia6850_device::read), FUNC(acia6850_device::write)); + map(0x7c00, 0x7c01).rw(m_acia[1], FUNC(acia6850_device::read), FUNC(acia6850_device::write)); + map(0x7d00, 0x7d00).portr("S6"); + map(0x7e00, 0x7e00).portr("S4"); + map(0x7f00, 0x7f0f).rw(m_vtac, FUNC(crt5027_device::read), FUNC(crt5027_device::write)); + map(0x8000, 0x8fff).ram(); + map(0xe000, 0xffff).rom().region("program", 0); +} + + +static INPUT_PORTS_START(adm31) + PORT_START("R0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D1") + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D7") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key C5") + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D2") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D4/F4") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D9/F9") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('"') PORT_CODE(KEYCODE_2) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CHAR(0x1b) PORT_CODE(KEYCODE_F7) + + PORT_START("R1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Rub") PORT_CHAR(0x7f) PORT_CODE(KEYCODE_F8) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key 9E/9F") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key D0/F0") + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key B4/B6") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key 92/93") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('q') PORT_CHAR('Q') PORT_CODE(KEYCODE_Q) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Cap Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) + + PORT_START("R2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('&') PORT_CODE(KEYCODE_6) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('\'') PORT_CODE(KEYCODE_7) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('8') PORT_CHAR('(') PORT_CODE(KEYCODE_8) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR(')') PORT_CODE(KEYCODE_9) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR('_') PORT_CODE(KEYCODE_0) + + PORT_START("R3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('=') PORT_CODE(KEYCODE_MINUS) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('^') PORT_CHAR('~') PORT_CODE(KEYCODE_EQUALS) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\\') PORT_CHAR('|') PORT_CODE(KEYCODE_BACKSLASH) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Tab Back Tab") PORT_CHAR(0x09) PORT_CODE(KEYCODE_BACKSPACE) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD) + + PORT_START("R4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('w') PORT_CHAR('W') PORT_CODE(KEYCODE_W) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('e') PORT_CHAR('E') PORT_CODE(KEYCODE_E) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('r') PORT_CHAR('R') PORT_CODE(KEYCODE_R) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('t') PORT_CHAR('T') PORT_CODE(KEYCODE_T) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('y') PORT_CHAR('Y') PORT_CODE(KEYCODE_Y) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('u') PORT_CHAR('U') PORT_CODE(KEYCODE_U) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('o') PORT_CHAR('O') PORT_CODE(KEYCODE_O) + + PORT_START("R5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('p') PORT_CHAR('P') PORT_CODE(KEYCODE_P) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(']') PORT_CHAR('}') PORT_CODE(KEYCODE_CLOSEBRACE) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(TAB_PAD)) PORT_CODE(KEYCODE_PLUS_PAD) + + PORT_START("R6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('a') PORT_CHAR('A') PORT_CODE(KEYCODE_A) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('s') PORT_CHAR('S') PORT_CODE(KEYCODE_S) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('d') PORT_CHAR('D') PORT_CODE(KEYCODE_D) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('f') PORT_CHAR('F') PORT_CODE(KEYCODE_F) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('g') PORT_CHAR('G') PORT_CODE(KEYCODE_G) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('h') PORT_CHAR('H') PORT_CODE(KEYCODE_H) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('k') PORT_CHAR('K') PORT_CODE(KEYCODE_K) + + PORT_START("R7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('l') PORT_CHAR('L') PORT_CODE(KEYCODE_L) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR('+') PORT_CODE(KEYCODE_COLON) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(':') PORT_CHAR('*') PORT_CODE(KEYCODE_QUOTE) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('@') PORT_CHAR('`') PORT_CODE(KEYCODE_TILDE) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a) PORT_CODE(KEYCODE_RCONTROL) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD) + + PORT_START("R8") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear") PORT_CODE(KEYCODE_LALT) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('z') PORT_CHAR('Z') PORT_CODE(KEYCODE_Z) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('x') PORT_CHAR('X') PORT_CODE(KEYCODE_X) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('c') PORT_CHAR('C') PORT_CODE(KEYCODE_C) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('v') PORT_CHAR('V') PORT_CODE(KEYCODE_V) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('b') PORT_CHAR('B') PORT_CODE(KEYCODE_B) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('n') PORT_CHAR('N') PORT_CODE(KEYCODE_N) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M) + + PORT_START("R9") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("New Line New Page") PORT_CODE(KEYCODE_END) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad Return") PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD) + + PORT_START("R10") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key 9D/94") + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_HOME) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Key E3/40") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_COMMA_PAD) + + PORT_START("SHIFT") + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN) + PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNKNOWN) + PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL) + PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) + PORT_BIT(0x1d, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("S4") + PORT_DIPNAME(0x01, 0x00, "Break Key") PORT_DIPLOCATION("S4:1") + PORT_DIPSETTING(0x01, "Disable") + PORT_DIPSETTING(0x00, "Enable") + PORT_DIPNAME(0x02, 0x02, "Refresh Rate") PORT_DIPLOCATION("S4:2") + PORT_DIPSETTING(0x00, "50 Hz") + PORT_DIPSETTING(0x02, "60 Hz") + PORT_DIPNAME(0x1c, 0x14, "Modem Port") PORT_DIPLOCATION("S4:3,4,5") + PORT_DIPSETTING(0x00, "7 DB, EP, 2 SB") + PORT_DIPSETTING(0x04, "7 DB, OP, 2 SB") + PORT_DIPSETTING(0x08, "7 DB, EP, 1 SB") + PORT_DIPSETTING(0x0c, "7 DB, OP, 1 SB") + PORT_DIPSETTING(0x10, "8 DB, NP, 2 SB") + PORT_DIPSETTING(0x14, "8 DB, NP, 1 SB") + PORT_DIPSETTING(0x18, "8 DB, EP, 1 SB") + PORT_DIPSETTING(0x00, "8 DB, OP, 1 SB") + PORT_DIPNAME(0x20, 0x00, DEF_STR(Unused)) PORT_DIPLOCATION("S4:6") + PORT_DIPSETTING(0x20, DEF_STR(Off)) + PORT_DIPSETTING(0x00, DEF_STR(On)) + PORT_DIPNAME(0x40, 0x00, "Transmission") PORT_DIPLOCATION("S4:7") + PORT_DIPSETTING(0x00, "Block Mode") + PORT_DIPSETTING(0x40, "Conversation Mode") + PORT_DIPNAME(0x80, 0x00, "Duplex") PORT_DIPLOCATION("S4:8") + PORT_DIPSETTING(0x00, "Full Duplex") + PORT_DIPSETTING(0x80, "Half Duplex") + + PORT_START("S5") + PORT_DIPNAME(0x01, 0x00, DEF_STR(Unused)) PORT_DIPLOCATION("S5:1") + PORT_DIPSETTING(0x01, DEF_STR(Off)) + PORT_DIPSETTING(0x00, DEF_STR(On)) + PORT_DIPNAME(0x02, 0x00, DEF_STR(Unused)) PORT_DIPLOCATION("S5:2") + PORT_DIPSETTING(0x02, DEF_STR(Off)) + PORT_DIPSETTING(0x00, DEF_STR(On)) + PORT_DIPNAME(0x1c, 0x14, "Printer Port") PORT_DIPLOCATION("S5:3,4,5") + PORT_DIPSETTING(0x00, "7 DB, EP, 2 SB") + PORT_DIPSETTING(0x04, "7 DB, OP, 2 SB") + PORT_DIPSETTING(0x08, "7 DB, EP, 1 SB") + PORT_DIPSETTING(0x0c, "7 DB, OP, 1 SB") + PORT_DIPSETTING(0x10, "8 DB, NP, 2 SB") + PORT_DIPSETTING(0x14, "8 DB, NP, 1 SB") + PORT_DIPSETTING(0x18, "8 DB, EP, 1 SB") + PORT_DIPSETTING(0x00, "8 DB, OP, 1 SB") + PORT_DIPNAME(0x20, 0x00, DEF_STR(Unused)) PORT_DIPLOCATION("S5:6") + PORT_DIPSETTING(0x20, DEF_STR(Off)) + PORT_DIPSETTING(0x00, DEF_STR(On)) + PORT_DIPNAME(0x40, 0x00, DEF_STR(Unused)) PORT_DIPLOCATION("S5:7") + PORT_DIPSETTING(0x40, DEF_STR(Off)) + PORT_DIPSETTING(0x00, DEF_STR(On)) + PORT_DIPNAME(0x80, 0x00, "Printer Port Buffer") PORT_DIPLOCATION("S5:8") + PORT_DIPSETTING(0x80, "Disable") + PORT_DIPSETTING(0x00, "Enable") + + PORT_START("S6") + PORT_DIPNAME(0x7f, 0x00, "Polling Address") PORT_DIPLOCATION("S6:1,2,3,4,5,6,7") + PORT_DIPSETTING(0x00, "00") + PORT_DIPSETTING(0x01, "01") + PORT_DIPSETTING(0x02, "02") + PORT_DIPSETTING(0x03, "03") + PORT_DIPSETTING(0x04, "04") + PORT_DIPSETTING(0x05, "05") + PORT_DIPSETTING(0x06, "06") + PORT_DIPSETTING(0x07, "07") + PORT_DIPSETTING(0x08, "08") + PORT_DIPSETTING(0x09, "09") + PORT_DIPSETTING(0x0a, "0A") + PORT_DIPSETTING(0x0b, "0B") + PORT_DIPSETTING(0x0c, "0C") + PORT_DIPSETTING(0x0d, "0D") + PORT_DIPSETTING(0x0e, "0E") + PORT_DIPSETTING(0x0f, "0F") + PORT_DIPSETTING(0x10, "10") + PORT_DIPSETTING(0x11, "11") + PORT_DIPSETTING(0x12, "12") + PORT_DIPSETTING(0x13, "13") + PORT_DIPSETTING(0x14, "14") + PORT_DIPSETTING(0x15, "15") + PORT_DIPSETTING(0x16, "16") + PORT_DIPSETTING(0x17, "17") + PORT_DIPSETTING(0x18, "18") + PORT_DIPSETTING(0x19, "19") + PORT_DIPSETTING(0x1a, "1A") + PORT_DIPSETTING(0x1b, "1B") + PORT_DIPSETTING(0x1c, "1C") + PORT_DIPSETTING(0x1d, "1D") + PORT_DIPSETTING(0x1e, "1E") + PORT_DIPSETTING(0x1f, "1F") + PORT_DIPSETTING(0x20, "20") + PORT_DIPSETTING(0x21, "21") + PORT_DIPSETTING(0x22, "22") + PORT_DIPSETTING(0x23, "23") + PORT_DIPSETTING(0x24, "24") + PORT_DIPSETTING(0x25, "25") + PORT_DIPSETTING(0x26, "26") + PORT_DIPSETTING(0x27, "27") + PORT_DIPSETTING(0x28, "28") + PORT_DIPSETTING(0x29, "29") + PORT_DIPSETTING(0x2a, "2A") + PORT_DIPSETTING(0x2b, "2B") + PORT_DIPSETTING(0x2c, "2C") + PORT_DIPSETTING(0x2d, "2D") + PORT_DIPSETTING(0x2e, "2E") + PORT_DIPSETTING(0x2f, "2F") + PORT_DIPSETTING(0x30, "30") + PORT_DIPSETTING(0x31, "31") + PORT_DIPSETTING(0x32, "32") + PORT_DIPSETTING(0x33, "33") + PORT_DIPSETTING(0x34, "34") + PORT_DIPSETTING(0x35, "35") + PORT_DIPSETTING(0x36, "36") + PORT_DIPSETTING(0x37, "37") + PORT_DIPSETTING(0x38, "38") + PORT_DIPSETTING(0x39, "39") + PORT_DIPSETTING(0x3a, "3A") + PORT_DIPSETTING(0x3b, "3B") + PORT_DIPSETTING(0x3c, "3C") + PORT_DIPSETTING(0x3d, "3D") + PORT_DIPSETTING(0x3e, "3E") + PORT_DIPSETTING(0x3f, "3F") + PORT_DIPSETTING(0x40, "40") + PORT_DIPSETTING(0x41, "41") + PORT_DIPSETTING(0x42, "42") + PORT_DIPSETTING(0x43, "43") + PORT_DIPSETTING(0x44, "44") + PORT_DIPSETTING(0x45, "45") + PORT_DIPSETTING(0x46, "46") + PORT_DIPSETTING(0x47, "47") + PORT_DIPSETTING(0x48, "48") + PORT_DIPSETTING(0x49, "49") + PORT_DIPSETTING(0x4a, "4A") + PORT_DIPSETTING(0x4b, "4B") + PORT_DIPSETTING(0x4c, "4C") + PORT_DIPSETTING(0x4d, "4D") + PORT_DIPSETTING(0x4e, "4E") + PORT_DIPSETTING(0x4f, "4F") + PORT_DIPSETTING(0x50, "50") + PORT_DIPSETTING(0x51, "51") + PORT_DIPSETTING(0x52, "52") + PORT_DIPSETTING(0x53, "53") + PORT_DIPSETTING(0x54, "54") + PORT_DIPSETTING(0x55, "55") + PORT_DIPSETTING(0x56, "56") + PORT_DIPSETTING(0x57, "57") + PORT_DIPSETTING(0x58, "58") + PORT_DIPSETTING(0x59, "59") + PORT_DIPSETTING(0x5a, "5A") + PORT_DIPSETTING(0x5b, "5B") + PORT_DIPSETTING(0x5c, "5C") + PORT_DIPSETTING(0x5d, "5D") + PORT_DIPSETTING(0x5e, "5E") + PORT_DIPSETTING(0x5f, "5F") + PORT_DIPSETTING(0x60, "60") + PORT_DIPSETTING(0x61, "61") + PORT_DIPSETTING(0x62, "62") + PORT_DIPSETTING(0x63, "63") + PORT_DIPSETTING(0x64, "64") + PORT_DIPSETTING(0x65, "65") + PORT_DIPSETTING(0x66, "66") + PORT_DIPSETTING(0x67, "67") + PORT_DIPSETTING(0x68, "68") + PORT_DIPSETTING(0x69, "69") + PORT_DIPSETTING(0x6a, "6A") + PORT_DIPSETTING(0x6b, "6B") + PORT_DIPSETTING(0x6c, "6C") + PORT_DIPSETTING(0x6d, "6D") + PORT_DIPSETTING(0x6e, "6E") + PORT_DIPSETTING(0x6f, "6F") + PORT_DIPSETTING(0x70, "70") + PORT_DIPSETTING(0x71, "71") + PORT_DIPSETTING(0x72, "72") + PORT_DIPSETTING(0x73, "73") + PORT_DIPSETTING(0x74, "74") + PORT_DIPSETTING(0x75, "75") + PORT_DIPSETTING(0x76, "76") + PORT_DIPSETTING(0x77, "77") + PORT_DIPSETTING(0x78, "78") + PORT_DIPSETTING(0x79, "79") + PORT_DIPSETTING(0x7a, "7A") + PORT_DIPSETTING(0x7b, "7B") + PORT_DIPSETTING(0x7c, "7C") + PORT_DIPSETTING(0x7d, "7D") + PORT_DIPSETTING(0x7e, "7E") + PORT_DIPSETTING(0x7f, "7F") + PORT_DIPNAME(0x80, 0x80, "Polling Option") PORT_DIPLOCATION("S6:8") + PORT_DIPSETTING(0x80, "Disable") + PORT_DIPSETTING(0x00, "Enable") + + PORT_START("BAUD") + PORT_DIPNAME(0x0f, 0x0e, "Modem Baud Rate") PORT_DIPLOCATION("BS1:1,2,3,4") + PORT_DIPSETTING(0x00, "50") + PORT_DIPSETTING(0x01, "75") + PORT_DIPSETTING(0x02, "110") + PORT_DIPSETTING(0x03, "134.5") + PORT_DIPSETTING(0x04, "150") + PORT_DIPSETTING(0x05, "300") + PORT_DIPSETTING(0x06, "600") + PORT_DIPSETTING(0x07, "1200") + PORT_DIPSETTING(0x08, "1800") + PORT_DIPSETTING(0x09, "2000") + PORT_DIPSETTING(0x0a, "2400") + PORT_DIPSETTING(0x0b, "3600") + PORT_DIPSETTING(0x0c, "4800") + PORT_DIPSETTING(0x0d, "7200") + PORT_DIPSETTING(0x0e, "9600") + PORT_DIPNAME(0xf0, 0x70, "Printer Baud Rate") PORT_DIPLOCATION("BS2:1,2,3,4") + PORT_DIPSETTING(0x00, "50") + PORT_DIPSETTING(0x10, "75") + PORT_DIPSETTING(0x20, "110") + PORT_DIPSETTING(0x30, "134.5") + PORT_DIPSETTING(0x40, "150") + PORT_DIPSETTING(0x50, "300") + PORT_DIPSETTING(0x60, "600") + PORT_DIPSETTING(0x70, "1200") + PORT_DIPSETTING(0x80, "1800") + PORT_DIPSETTING(0x90, "2000") + PORT_DIPSETTING(0xa0, "2400") + PORT_DIPSETTING(0xb0, "3600") + PORT_DIPSETTING(0xc0, "4800") + PORT_DIPSETTING(0xd0, "7200") + PORT_DIPSETTING(0xe0, "9600") +INPUT_PORTS_END + +void adm31_state::adm31(machine_config &config) +{ + M6800(config, m_maincpu, 19.584_MHz_XTAL / 20); + m_maincpu->set_addrmap(AS_PROGRAM, &adm31_state::mem_map); + + INPUT_MERGER_ANY_HIGH(config, "mainirq").output_handler().set_inputline(m_maincpu, M6800_IRQ_LINE); + + pia6821_device &pia(PIA6821(config, "pia")); + pia.writepa_handler().set(FUNC(adm31_state::kbd_scan_w)); + pia.readpa_handler().set(FUNC(adm31_state::kbd_scan_r)); + pia.writepb_handler().set(FUNC(adm31_state::kbd_status_w)); + pia.readpb_handler().set_ioport("SHIFT"); + + ACIA6850(config, m_acia[0]); + m_acia[0]->irq_handler().set("mainirq", FUNC(input_merger_device::in_w<0>)); + + ACIA6850(config, m_acia[1]); + m_acia[0]->irq_handler().set("mainirq", FUNC(input_merger_device::in_w<1>)); + + COM8116(config, m_brg, 5.0688_MHz_XTAL); + m_brg->fr_handler().set(m_acia[0], FUNC(acia6850_device::write_rxc)); + m_brg->fr_handler().append(m_acia[0], FUNC(acia6850_device::write_txc)); + m_brg->ft_handler().set(m_acia[1], FUNC(acia6850_device::write_rxc)); + m_brg->ft_handler().append(m_acia[1], FUNC(acia6850_device::write_txc)); + + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen.set_raw(19.584_MHz_XTAL, 1020, 0, 800, 320, 0, 288); + screen.set_screen_update(FUNC(adm31_state::screen_update)); + + CRT5027(config, m_vtac, 19.584_MHz_XTAL / 10); + m_vtac->set_screen("screen"); + m_vtac->set_char_width(10); +} + + +ROM_START(adm31) + ROM_REGION(0x2000, "program", 0) + ROM_LOAD("adm-31-u62.bin", 0x0000, 0x0800, CRC(57e557a5) SHA1(cb3021ab570c279cbaa673b5de8fa1ca9eb48188)) + ROM_LOAD("adm-31-u63.bin", 0x0800, 0x0800, CRC(1268a59c) SHA1(f0cd8562e0d5faebf84d8decaa848ff28f2ac637)) + ROM_LOAD("adm-31-u64.bin", 0x1000, 0x0800, CRC(8939fa00) SHA1(00f6a8a49e51a9501cd9d1e2aae366fb070a5a1d)) + ROM_LOAD("adm-31-u65.bin", 0x1800, 0x0800, CRC(53e4e2f1) SHA1(bf30241815c790de3354e1acfe84e760c889cbb1)) + + ROM_REGION(0x0800, "chargen", 0) + ROM_LOAD("chargen.bin", 0x0000, 0x0800, NO_DUMP) +ROM_END + + +COMP(1978, adm31, 0, 0, adm31, adm31, adm31_state, empty_init, "Lear Siegler", "ADM-31 Data Display Terminal", MACHINE_IS_SKELETON) |