From 20764a5518ea4ad6a5a402f0fecb788dc98f2091 Mon Sep 17 00:00:00 2001 From: Dirk Best Date: Sat, 15 Apr 2023 01:06:58 +0200 Subject: free220: Implement keyboard, improve interrupts --- src/mame/liberty/freedom220.cpp | 39 +++-- src/mame/liberty/freedom220_kbd.cpp | 291 ++++++++++++++++++++++++++++++++++++ src/mame/liberty/freedom220_kbd.h | 63 ++++++++ 3 files changed, 378 insertions(+), 15 deletions(-) create mode 100644 src/mame/liberty/freedom220_kbd.cpp create mode 100644 src/mame/liberty/freedom220_kbd.h diff --git a/src/mame/liberty/freedom220.cpp b/src/mame/liberty/freedom220.cpp index e12467f3e50..77695ec35e5 100644 --- a/src/mame/liberty/freedom220.cpp +++ b/src/mame/liberty/freedom220.cpp @@ -19,12 +19,6 @@ - 3x D8251AC - 18.432 MHz XTAL - Keyboard: - - SCN8050 (8039) - - 2716 labeled "121" - - UA555TC - - Speaker - External: - DB25 connector "Main Port" - DB25 connector "Auxialiary Port" @@ -32,9 +26,8 @@ - Expansion slot TODO: - - Verify CRT controller hookup - - Cursor - - Keyboard + - Fix and improve video emulation + - Aux port ****************************************************************************/ @@ -43,15 +36,19 @@ #include "bus/rs232/rs232.h" #include "cpu/z80/z80.h" #include "machine/i8251.h" +#include "machine/input_merger.h" #include "machine/pit8253.h" #include "video/scn2674.h" +#include "freedom220_kbd.h" + #include "emupal.h" #include "screen.h" namespace { + //************************************************************************** // TYPE DEFINITIONS //************************************************************************** @@ -94,6 +91,9 @@ private: uint8_t m_current_line; bool m_nmi_enabled; + uint8_t m_current_line; + bool m_nmi_enabled; + void mem_map(address_map &map); void io_map(address_map &map); @@ -130,7 +130,6 @@ void freedom220_state::io_map(address_map &map) map(0x40, 0x41).rw(m_usart[0], FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x60, 0x61).rw(m_usart[1], FUNC(i8251_device::read), FUNC(i8251_device::write)); map(0x80, 0x81).rw(m_usart[2], FUNC(i8251_device::read), FUNC(i8251_device::write)); - map(0x81, 0x81).lr8(NAME([] () { return 0x01; })); // hack map(0xa0, 0xa0).w(FUNC(freedom220_state::nmi_control_w)); } @@ -252,6 +251,10 @@ void freedom220_state::machine_start() void freedom220_state::machine_reset() { m_nmi_enabled = false; + + // allow data to be send to keyboard + m_usart[2]->write_dsr(1); + m_usart[2]->write_cts(0); } @@ -265,12 +268,15 @@ void freedom220_state::freedom220(machine_config &config) m_maincpu->set_addrmap(AS_PROGRAM, &freedom220_state::mem_map); m_maincpu->set_addrmap(AS_IO, &freedom220_state::io_map); + input_merger_device &irq(INPUT_MERGER_ANY_HIGH(config, "irq")); + irq.output_handler().set_inputline("maincpu", INPUT_LINE_IRQ0); + SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_color(rgb_t::green()); m_screen->set_raw(16000000, 768, 0, 640, 321, 0, 300); // clock unverified m_screen->set_screen_update(m_avdc, FUNC(scn2674_device::screen_update)); - PALETTE(config, m_palette, palette_device::MONOCHROME); + PALETTE(config, m_palette, palette_device::MONOCHROME_HIGHLIGHT); GFXDECODE(config, "gfxdecode", m_palette, chars); @@ -297,17 +303,23 @@ void freedom220_state::freedom220(machine_config &config) pit.out_handler<2>().append(m_usart[0], FUNC(i8251_device::write_rxc)); I8251(config, m_usart[0], 0); // unknown clock - m_usart[0]->rxrdy_handler().set_inputline("maincpu", INPUT_LINE_IRQ0); // ? + m_usart[0]->rxrdy_handler().set("irq", FUNC(input_merger_device::in_w<0>)); + m_usart[0]->txrdy_handler().set("irq", FUNC(input_merger_device::in_w<1>)); m_usart[0]->txd_handler().set("mainport", FUNC(rs232_port_device::write_txd)); m_usart[0]->rts_handler().set("mainport", FUNC(rs232_port_device::write_rts)); I8251(config, m_usart[1], 0); // unknown clock I8251(config, m_usart[2], 0); // unknown clock + m_usart[2]->rxrdy_handler().set("irq", FUNC(input_merger_device::in_w<2>)); + m_usart[2]->txd_handler().set("kbd", FUNC(freedom220_kbd_device::rx_w)); rs232_port_device &mainport(RS232_PORT(config, "mainport", default_rs232_devices, nullptr)); mainport.rxd_handler().set(m_usart[0], FUNC(i8251_device::write_rxd)); mainport.cts_handler().set(m_usart[0], FUNC(i8251_device::write_cts)); + + freedom220_kbd_device &kbd(FREEDOM220_KBD(config, "kbd")); + kbd.tx_handler().set(m_usart[2], FUNC(i8251_device::write_rxd)); } @@ -326,9 +338,6 @@ ROM_START( free220 ) ROM_REGION(0x1000, "translate", 0) ROM_LOAD("t022010__61f0.bin", 0x0000, 0x1000, CRC(00461116) SHA1(79a53a557ea4386b3e85a312731c6c0763ab46cc)) - - ROM_REGION(0x800, "keyboard", 0) - ROM_LOAD("121.bin", 0x000, 0x800, CRC(ee491f39) SHA1(477eb9f3d3abc89cfc9b5f9a924a794ca48750c4)) ROM_END diff --git a/src/mame/liberty/freedom220_kbd.cpp b/src/mame/liberty/freedom220_kbd.cpp new file mode 100644 index 00000000000..5c7d9bc31ec --- /dev/null +++ b/src/mame/liberty/freedom220_kbd.cpp @@ -0,0 +1,291 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + Liberty Freedom 220 keyboard + + Hardware: + - SCN8050 (8039) + - 2716 labeled "121" + - XTAL labeled "300-107 KSS3M", measured at 4.6 MHz + - UA555TC + - Speaker + + TOOD: + - "Funct" key + - Speaker + + Notes: + - Also used by the Freedom 200? + +***************************************************************************/ + +#include "emu.h" +#include "freedom220_kbd.h" +#include "speaker.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(FREEDOM220_KBD, freedom220_kbd_device, "freedom220_kbd", "Liberty Freedom 220 keyboard") + +//------------------------------------------------- +// address maps +//------------------------------------------------- + +void freedom220_kbd_device::mem_map(address_map &map) +{ + map(0x000, 0x7ff).rom().region("mcu", 0); +} + +void freedom220_kbd_device::io_map(address_map &map) +{ + map(0x00, 0xff).r(FUNC(freedom220_kbd_device::select_r)); +} + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +ROM_START( firmware ) + ROM_REGION(0x800, "mcu", 0) + ROM_LOAD("121.bin", 0x000, 0x800, CRC(ee491f39) SHA1(477eb9f3d3abc89cfc9b5f9a924a794ca48750c4)) +ROM_END + +const tiny_rom_entry *freedom220_kbd_device::device_rom_region() const +{ + return ROM_NAME(firmware); +} + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void freedom220_kbd_device::device_add_mconfig(machine_config &config) +{ + I8039(config, m_mcu, 4600000); + m_mcu->set_addrmap(AS_PROGRAM, &freedom220_kbd_device::mem_map); + m_mcu->set_addrmap(AS_IO, &freedom220_kbd_device::io_map); + m_mcu->p1_in_cb().set(FUNC(freedom220_kbd_device::p1_r)); + m_mcu->p2_out_cb().set(FUNC(freedom220_kbd_device::p2_w)); + + SPEAKER(config, "mono").front_center(); + + SPEAKER_SOUND(config, m_speaker); + m_speaker->add_route(ALL_OUTPUTS, "mono", 1.00); +} + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +static INPUT_PORTS_START( keyboard ) + PORT_START("keys_0") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_NAME("Ins Here") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Prog") + + PORT_START("keys_1") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // "Funct" key? + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Find") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) PORT_NAME("Set Up") + + PORT_START("keys_2") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_NAME(u8"\u2190") + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RALT) PORT_NAME("Comp Char") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_NAME(u8"\u2193") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + + PORT_START("keys_3") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('~') PORT_CHAR('`') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("Left Shift") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + + PORT_START("keys_4") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') + + PORT_START("keys_5") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + + PORT_START("keys_6") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') + + PORT_START("keys_7") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_NAME(". .") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_NAME(", ,") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') + + PORT_START("keys_8") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("Right Shift") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') + + PORT_START("keys_9") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(UCHAR_MAMEKEY(ENTER)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u2190 Pan") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) + + PORT_START("keys_10") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Slct") + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"Scrl \u2193") + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u2191 Scrl") + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(u8"\u2192 Pan") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Remov") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Auto Pan") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') + + PORT_START("keys_11") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED) // 00 code + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Break") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_NAME(u8"\u2192") + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_NAME(u8"\u2191") + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) PORT_NAME("Prev Scrn") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) PORT_NAME("Next Scrn") + + PORT_START("keys_12") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_00_PAD) PORT_CHAR(UCHAR_MAMEKEY(00_PAD)) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) + + PORT_START("keys_13") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA_PAD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Print") + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) + PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad .") + PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) + + PORT_START("keys_14") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) + + PORT_START("keys_15") + PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) +INPUT_PORTS_END + +ioport_constructor freedom220_kbd_device::device_input_ports() const +{ + return INPUT_PORTS_NAME(keyboard); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +freedom220_kbd_device::freedom220_kbd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : + device_t(mconfig, FREEDOM220_KBD, tag, owner, clock), + m_mcu(*this, "mcu"), + m_speaker(*this, "speaker"), + m_keys(*this, "keys_%u", 0U), + m_tx_handler(*this) +{ +} + +void freedom220_kbd_device::device_start() +{ + // resolve callbacks + m_tx_handler.resolve_safe(); + + // register for save states + save_item(NAME(m_select)); +} + +void freedom220_kbd_device::device_reset() +{ +} + + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void freedom220_kbd_device::rx_w(int state) +{ + m_mcu->set_input_line(MCS48_INPUT_IRQ, state ? CLEAR_LINE : ASSERT_LINE); +} + +uint8_t freedom220_kbd_device::select_r(offs_t offset) +{ + m_select = offset & 0x0f; + return 0; +} + +uint8_t freedom220_kbd_device::p1_r() +{ + return m_keys[m_select]->read(); +} + +void freedom220_kbd_device::p2_w(uint8_t data) +{ + if (0) + logerror("p2_w: %d %d %d %d\n", BIT(data, 7), BIT(data, 6), BIT(data, 5), BIT(data, 4)); + + m_tx_handler(BIT(data, 7)); +} diff --git a/src/mame/liberty/freedom220_kbd.h b/src/mame/liberty/freedom220_kbd.h new file mode 100644 index 00000000000..c40113cad68 --- /dev/null +++ b/src/mame/liberty/freedom220_kbd.h @@ -0,0 +1,63 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + Liberty Freedom 220 keyboard + +***************************************************************************/ + +#ifndef MAME_LIBERTY_FREEDOM220_KBD_H +#define MAME_LIBERTY_FREEDOM220_KBD_H + +#pragma once + +#include "cpu/mcs48/mcs48.h" +#include "sound/spkrdev.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> freedom220_kbd_device + +class freedom220_kbd_device : public device_t +{ +public: + // construction/destruction + freedom220_kbd_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); + + // callbacks + auto tx_handler() { return m_tx_handler.bind(); } + + void rx_w(int state); + +protected: + // device_t overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + virtual void device_start() override; + virtual void device_reset() override; + +private: + void mem_map(address_map &map); + void io_map(address_map &map); + + uint8_t select_r(offs_t offset); + uint8_t p1_r(); + void p2_w(uint8_t data); + + required_device m_mcu; + required_device m_speaker; + required_ioport_array<16> m_keys; + + devcb_write_line m_tx_handler; + + uint8_t m_select; +}; + +// device type definition +DECLARE_DEVICE_TYPE(FREEDOM220_KBD, freedom220_kbd_device) + +#endif // MAME_LIBERTY_FREEDOM220_KBD_H -- cgit v1.2.3