diff options
Diffstat (limited to 'src/mame/machine/wangpckb.c')
-rw-r--r-- | src/mame/machine/wangpckb.c | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/src/mame/machine/wangpckb.c b/src/mame/machine/wangpckb.c new file mode 100644 index 00000000000..7e38ec2f153 --- /dev/null +++ b/src/mame/machine/wangpckb.c @@ -0,0 +1,583 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Wang PC keyboard emulation + +*********************************************************************/ + +/* + +PCB Layout +---------- + +Key Tronic A65-02454-002 +PCB 201 + +|-----------------------------------------------------------------------| +| LS273 PSG 555 LS04 4MHz LS132 CN1 LS374 XR | +| CPU | +| LD1 LD2 LD3 LD4 LD5 | +| SW1 LS259 SW2 LS259 | +| | +| | +| | +| | +| | +| | +| | +|-----------------------------------------------------------------------| + +Notes: + Relevant IC's shown. + + CPU - Intel P8051AH "20-8051-225" + PSG - Texas Instruments SN76496N + XR - Exar Semiconductor XR22-908-03B? (hard to read) + CN1 - 1x6 pin PCB header + SW1 - 8-way DIP switch + SW2 - 8-way DIP switch + +*/ + +/* + + TODO: + + - rewrite the mcs51.c serial I/O to replace this horrible, horrible hack + - dip switches + +*/ + +#include "wangpckb.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define LOG 0 + +#define I8051_TAG "z5" +#define SN76496_TAG "z4" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type WANGPC_KEYBOARD = &device_creator<wangpc_keyboard_device>; + + + +//------------------------------------------------- +// ROM( wangpc_keyboard ) +//------------------------------------------------- + +ROM_START( wangpc_keyboard ) + ROM_REGION( 0x1000, I8051_TAG, 0 ) + ROM_LOAD( "20-8051-225.z5", 0x0000, 0x1000, CRC(82d2999f) SHA1(2bb34a1de2d94b2885d9e8fcd4964296f6276c5c) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *wangpc_keyboard_device::device_rom_region() const +{ + return ROM_NAME( wangpc_keyboard ); +} + + +//------------------------------------------------- +// ADDRESS_MAP( wangpc_keyboard_io ) +//------------------------------------------------- + +static ADDRESS_MAP_START( wangpc_keyboard_io, AS_IO, 8, wangpc_keyboard_device ) + //AM_RANGE(0x0000, 0xfeff) AM_READNOP + AM_RANGE(0x47, 0x58) AM_MIRROR(0xff00) AM_READNOP + AM_RANGE(0x00, 0x00) AM_MIRROR(0xff00) AM_DEVWRITE(SN76496_TAG, sn76496_device, write) + AM_RANGE(MCS51_PORT_P1, MCS51_PORT_P1) AM_READWRITE(kb_p1_r, kb_p1_w) + AM_RANGE(MCS51_PORT_P2, MCS51_PORT_P2) AM_WRITE(kb_p2_w) + AM_RANGE(MCS51_PORT_P3, MCS51_PORT_P3) AM_WRITE(kb_p3_w) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( wangpc_keyboard ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( wangpc_keyboard ) + MCFG_CPU_ADD(I8051_TAG, I8051, XTAL_4MHz) + MCFG_CPU_IO_MAP(wangpc_keyboard_io) + + // sound hardware + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD(SN76496_TAG, SN76496, 2000000) // ??? + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor wangpc_keyboard_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( wangpc_keyboard ); +} + + +//------------------------------------------------- +// INPUT_PORTS( wangpc_keyboard ) +//------------------------------------------------- + +INPUT_PORTS_START( wangpc_keyboard ) + PORT_START("Y0") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x90") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) // 2b + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // 63 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("EXEC") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) // 53 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DELETE") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) // 52 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 43 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // 29 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x96") // 26 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // 2e + + PORT_START("Y1") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // 64 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) // 1f + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) // 21 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_NAME("GL") // 54 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')// 45 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') // 44 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RIGHT SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 35 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // 2d + + PORT_START("Y2") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') // 65 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // 2f + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // 56 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(']') // 55 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // 46 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) // 22 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 23 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // 37 + + PORT_START("Y3") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // 67 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') // 66 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // 58 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // 57 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // 48 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // 47 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') // 38 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') // 2a + + PORT_START("Y4") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("6 \xC2\xA3") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR(0xa3) // 69 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // 68 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // 5a + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // 59 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // 4a + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // 49 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // 3a + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // 39 + + PORT_START("Y5") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 6b + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 6a + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // 5c + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // 5b + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // 4c + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // 4b + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // 3c + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // 3b + + PORT_START("Y6") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // 6d + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 6c + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // 5e + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // 5d + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // 4e + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // 4d + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // 3e + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // 3d + + PORT_START("Y7") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x87\xA4") PORT_CODE(KEYCODE_TILDE) // 1f + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 6e + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x87\xA5") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t') // 6f + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // 5f + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) // 1e + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // 4f + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("LEFT SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 1b + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // 3f + + PORT_START("Y8") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("STOP") PORT_CODE(KEYCODE_F8) // 77 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SRCH") PORT_CODE(KEYCODE_F9) // 76 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad ENTER") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) // 1c + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad . ;") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) // 32 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 33 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 0 '") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) // 34 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 35 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // 28 + + PORT_START("Y9") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MERGE") PORT_CODE(KEYCODE_F6) // 79 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NOTE") PORT_CODE(KEYCODE_F7) // 78 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GOTO") // 11 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CANCEL") // 12 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("2ND") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) // 25 + + PORT_START("YA") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("DEC TAB") PORT_CODE(KEYCODE_F4) // 7b + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("FORMAT") PORT_CODE(KEYCODE_F5) // 7a + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("\xE2\x86\x95") // 71 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("(blank)") // 70 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // 2c + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 27 + + PORT_START("YB") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PAGE") PORT_CODE(KEYCODE_F2) // 7d + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CENTER") PORT_CODE(KEYCODE_F3) // 7c + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MOVE") PORT_CODE(KEYCODE_F12) // 73 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COMMAND") // 72 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("YC") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("HELP") PORT_CODE(KEYCODE_ESC) // 36 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INDENT") PORT_CODE(KEYCODE_F1) // 7e + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("REPLC") PORT_CODE(KEYCODE_F10) // 75 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("COPY") PORT_CODE(KEYCODE_F11) // 74 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) // 24 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // 1d + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) + + PORT_START("YD") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad \xC3\x97") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) // 14 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad \xC3\xB7") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) // 18 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PRINT") // 19 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED ) // 20 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("ERASE") // 1a + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 1c + + PORT_START("YE") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad + *") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))// 60 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad - !") PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) // 13 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 8 >") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) // 15 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 9 " UTF8_UP) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) // 16 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 5 ]") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) // 40 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 6 $") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) // 17 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 3 #") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) // 10 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) // 1b + + PORT_START("YF") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("INSERT") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) // 62 + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("PREV") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) // 61 + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NEXT") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) // 51 + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 7 <") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) // 50 + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // 42 + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 4 [") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) // 41 + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 1 &") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) // 31 + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Keypad 2 @") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) // 30 + + PORT_START("SW1") + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:1") + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:2") + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:3") + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:4") + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:5") + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:6") + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:7") + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:8") + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START("SW2") + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:1") + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:2") + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:3") + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:4") + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:5") + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:6") + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:7") + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:8") + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor wangpc_keyboard_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( wangpc_keyboard ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// wangpc_keyboard_device - constructor +//------------------------------------------------- + +wangpc_keyboard_device::wangpc_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, WANGPC_KEYBOARD, "Wang PC Keyboard", tag, owner, clock, "wangpckb", __FILE__), + device_serial_interface(mconfig, *this), + m_maincpu(*this, I8051_TAG), + m_y0(*this, "Y0"), + m_y1(*this, "Y1"), + m_y2(*this, "Y2"), + m_y3(*this, "Y3"), + m_y4(*this, "Y4"), + m_y5(*this, "Y5"), + m_y6(*this, "Y6"), + m_y7(*this, "Y7"), + m_y8(*this, "Y8"), + m_y9(*this, "Y9"), + m_ya(*this, "YA"), + m_yb(*this, "YB"), + m_yc(*this, "YC"), + m_yd(*this, "YD"), + m_ye(*this, "YE"), + m_yf(*this, "YF"), + m_txd_handler(*this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void wangpc_keyboard_device::device_start() +{ + m_txd_handler.resolve_safe(); + + // set serial callbacks + m_maincpu->i8051_set_serial_tx_callback(WRITE8_DELEGATE(wangpc_keyboard_device, mcs51_tx_callback)); + m_maincpu->i8051_set_serial_rx_callback(READ8_DELEGATE(wangpc_keyboard_device, mcs51_rx_callback)); + set_data_frame(1, 8, PARITY_NONE, STOP_BITS_2); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void wangpc_keyboard_device::device_reset() +{ + transmit_register_reset(); + receive_register_reset(); + + m_txd_handler(1); +} + + +//------------------------------------------------- +// write_rxd - +//------------------------------------------------- + +WRITE_LINE_MEMBER(wangpc_keyboard_device::write_rxd) +{ + receive_register_update_bit(state); + + if (is_receive_register_full()) + { + m_maincpu->set_input_line(MCS51_RX_LINE, ASSERT_LINE); + receive_register_extract(); + + if (LOG) logerror("Wang PC keyboard receive data %02x\n", get_received_char()); + } +} + + +//------------------------------------------------- +// mcs51_rx_callback - +//------------------------------------------------- + +READ8_MEMBER(wangpc_keyboard_device::mcs51_rx_callback) +{ + return get_received_char(); +} + + +//------------------------------------------------- +// mcs51_tx_callback - +//------------------------------------------------- + +WRITE8_MEMBER(wangpc_keyboard_device::mcs51_tx_callback) +{ + if (LOG) logerror("Wang PC keyboard transmit data %02x\n", data); + + transmit_register_setup(data); + + // HACK bang the bits out immediately + while (!is_transmit_register_empty()) + { + m_txd_handler(transmit_register_get_data_bit()); + } +} + + +//------------------------------------------------- +// kb_p1_r - +//------------------------------------------------- + +READ8_MEMBER( wangpc_keyboard_device::kb_p1_r ) +{ + UINT8 data = 0xff; + + switch (m_y & 0x0f) + { + case 0: data &= m_y0->read(); break; + case 1: data &= m_y1->read(); break; + case 2: data &= m_y2->read(); break; + case 3: data &= m_y3->read(); break; + case 4: data &= m_y4->read(); break; + case 5: data &= m_y5->read(); break; + case 6: data &= m_y6->read(); break; + case 7: data &= m_y7->read(); break; + case 8: data &= m_y8->read(); break; + case 9: data &= m_y9->read(); break; + case 0xa: data &= m_ya->read(); break; + case 0xb: data &= m_yb->read(); break; + case 0xc: data &= m_yc->read(); break; + case 0xd: data &= m_yd->read(); break; + case 0xe: data &= m_ye->read(); break; + case 0xf: data &= m_yf->read(); break; + } + + return data; +} + + +//------------------------------------------------- +// kb_p1_w - +//------------------------------------------------- + +WRITE8_MEMBER( wangpc_keyboard_device::kb_p1_w ) +{ + /* + + bit description + + P1.0 led 0 + P1.1 led 1 + P1.2 led 2 + P1.3 led 3 + P1.4 led 4 + P1.5 led 5 + P1.6 + P1.7 + + */ + + for (int i = 0; i < 6; i++) + { + output_set_led_value(i, !BIT(data, i)); + } + + if (LOG) logerror("P1 %02x\n", data); +} + + +//------------------------------------------------- +// kb_p2_w - +//------------------------------------------------- + +WRITE8_MEMBER( wangpc_keyboard_device::kb_p2_w ) +{ + /* + + bit description + + P2.0 row 0 + P2.1 row 1 + P2.2 row 2 + P2.3 row 3 + P2.4 + P2.5 + P2.6 chip enable for something + P2.7 + + */ + + m_y = data & 0x0f; + + if (LOG) logerror("P2 %02x\n", data); +} + + +//------------------------------------------------- +// kb_p3_w - +//------------------------------------------------- + +WRITE8_MEMBER( wangpc_keyboard_device::kb_p3_w ) +{ + /* + + bit description + + P3.0 RxD + P3.1 TxD + P3.2 + P3.3 chip enable for something + P3.4 + P3.5 + P3.6 + P3.7 + + */ + + if (LOG) logerror("P3 %02x\n", data); +} |