/*
DEC LK-201 keyboard
Emulation by R. Belmont & M. Burke
This is the later "cost-reduced" 6805 version; there's also an 8048 version.
The LK-201 mechanical elements are described in US Patent 4,467,150
*/
/* LK201-AA keyboard matrix (8048 version with updates)
Source: VCB02 Technical Reference.
KBD controller scan matrix (PORT 1): 8 x BCD IN => 18 DECIMAL OUT
Keyboard itself:
18 x IN (KEYBOARD DRIVE) KBD 17... KBD 0 =>
8 OUT (keyboard data @ D7..D0)
to => PORT 0 @ KBD controller.
________|D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0
..KBD17:|[R] |F19 |[R] |F20|PF4|N--- N,| Enter
........| | | | | | NOTE1)
........| |G22 | |G23|E23|D23|C23| A23
--------|----|----|----|---|---|---|---|---
..KBD16:|F18 |PF3 |[R] |N9 |C:D|N6 |N3 |N.
........|G21 |E22 | |D22|B17|C22|B22|A22
--------|----|----|----|---|---|---|---|---
..KBD15:|F17 |PF2 |[R] |N8 |N5 |C:R| N2|N0
........| | | | | | | |NOTE 2)
........|G20 |E21 | |D21|C21|B18|B21|
--------|----|----|----|---|---|---|---|---
KBD14:|PF1 |Next|Rem-|C:U|N7 |N4 |N1 |N0
........| |Scrn|move|...| | | |
........|E20 |D18 |E18 |C17|D20|C20|B20|A20
--------|----|----|----|---|---|---|---|---
..KBD13:|Ins.|--- |'Do'|Prev { |" |[R]|[R]
........|Here|- | Scrn| [ |' | |
........|E17 |E11 |G16 |D17|D11|C11| |
--------|----|----|----|---|---|---|---|---
..KBD12:|Find|+ |Help|Se-| } |Re-|C:L| |
........| |= | |lect ] |turn...| \
........|E16 |E12 |G15 |D16 D12|C13|B16|C12
--------|----|----|----|---|---|---|---|---
..KBD11:Addtnl <X||[R] |) |P NOTE|: | ?
.......Options Del| |0 | | 3)|; | /
........|G14 | E13|....|E10|D10|...|C10|B10
--------|----|----|----|---|---|---|---|---
..KBD10:|[R] |F12 |[R] |F13| ( |O |L | .
........|....|(BS)| |(LF) 9 | | | .
........|....|G12 |....|G13|E09|D09|C09|B09
--------|----|----|----|---|---|---|---|---
..KBD_9:|[R] |F11 |[R] |[R]|* |I |K | ,
........|....|ESC | | |8 | | | ,
........|....|G11 |....|...|E08|D08|C08|B08
--------|----|----|----|---|---|---|---|---
..KBD_8:|[R] |Main|[R] Exit|& |U |J |M
........| |Scrn| | |7 | | |
........| |G08 | |G09|E07|D07|C07|B07
--------|----|----|----|---|---|---|---|---
..KBD_7:|[R] Cancel[R] Resu ^ |Y |H |N
........|....|....|.....me |6 | | |
........|....|G07 |....|G06|E06|D06|C06|B06
--------|----|----|----|---|---|---|---|---
..KBD_6:|[R] |[R] |[R] Inter % |T |G |B
........|....|....|....rupt| 5 | | |
........|....|....|....|G05|E05|D05|C05|B05
--------|----|----|----|---|---|---|---|---
..KBD_5: F4 |Break [R]|$ |R |F |V |Space
........|....|....|....|4 | | | |
........ G02 |G03 |....|E04 D04 C04 B04 A01-A09
--------|----|----|----|---|---|---|---|---
..KBD_4: [R] |Prt.|[R] |Set|# |E |D |C
........|....|Scrn|....|-Up|3 | | |
........|....|G00 |....|G01 E03 D03 C03 B03
--------|----|----|----|---|---|---|---|---
..KBD_3: Hold| @ |[R] |Tab|W |S |X |>
........|Scrn| 2 |....| | | | |<
........|G99 |E02 |....|D00|D02|C02|B02|B00
--------|----|----|----|---|---|---|---|---
..KBD_2: [R] |[R] |[R] |~ |! |Q |A |Z
........|..............|...|1
........|..............|E00 E01 D01 C01 B01
--------|----|----|----|---|---|---|---|---
..KBD_1: Ctrl|Lock|Comp|[R]
........|C99 |C00 |A99 |
--------|----|----|----|---|---|---|---|---
..KBD_0: Shift
........|B99,B11
---
[R] = Reserved
NOTE 1) N0--N9, N---, N and N. refer to numeric keypad
NOTE 2) N0 can be divided into 2 keys.
Normally only the N0 keyswitch is implemented as a double-sized key.
NOTE 3) Return key occupies 2 positions that are
decoded as the Return (C13) key.
C:D - Cursor down (B17)
C:U - Cursor up (C17)
C:R - Cursor right (B18)
C:L - Cursor left (B16)
*/
#include "emu.h"
#include "dec_lk201.h"
#include "cpu/m6805/m6805.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define LK201_CPU_TAG "lk201_cpu"
#define LK201_SPK_TAG "beeper"
//-------------------------------------------------
// SERIAL COMMUNICATIONS INTERFACE
//-------------------------------------------------
#define SCI_BAUD 0 // Baud rate register
#define BAUD_SCR 0x07 // SCI baud rate select
#define BAUD_SCP 0x30 // SCI prescaler select
#define SCI_SCCR1 1 // Control register 1
#define SCCR1_WAKE 0x08 // Wakeup method
#define SCCR1_M 0x10 // Character length
#define SCCR1_T8 0x40 // Transmit bit 8
#define SCCR1_R8 0x80 // Receive bit 8
#define SCI_SCCR2 2 // Control register 2
#define SCCR2_SBK 0x01 // Send break
#define SCCR2_RWU 0x02 // Receiver wakeup enable
#define SCCR2_RE 0x04 // Receiver enable
#define SCCR2_TE 0x08 // Transmitter enable
#define SCCR2_ILIE 0x10 // Idle line interrupt enable
#define SCCR2_RIE 0x20 // Receiver interrupt enable
#define SCCR2_TCIE 0x40 // Transmit complete interrupt enable
#define SCCR2_TIE 0x80 // Transmit interrupt enable
#define SCI_SCSR 3 // Status register
#define SCSR_FE 0x02 // Receiver framing error
#define SCSR_NF 0x04 // Receiver noise
#define SCSR_OR 0x08 // Receiver overrun
#define SCSR_IDLE 0x10 // Receiver idle
#define SCSR_RDRF 0x20 // Receive data register full
#define SCSR_TC 0x40 // Transmit complete
#define SCSR_TDRE 0x80 // Transmit data register empty
#define SCSR_INT (SCSR_IDLE | SCSR_RDRF| \
SCSR_TC | SCSR_TDRE) // Interrupt sources
#define SCI_SCDR 4 // Data register
//-------------------------------------------------
// SERIAL PERIPHERAL INTERFACE
//-------------------------------------------------
#define SPI_SPCR 0 // Control register
#define SPCR_SPR 0x03 // SPI clock rate select
#define SPCR_CPHA 0x04 // Clock phase
#define SPCR_CPOL 0x08 // Clock polarity
#define SPCR_MSTR 0x10 // Master mode select
#define SPCR_DWOM 0x20 // Port D wire-or mode option
#define SPCR_SPE 0x40 // Serial peripheral system enable
#define SPCR_SPIE 0x80 // Serial peripheral interrupt enable
#define SPI_SPSR 1 // Status register
#define SPSR_MODF 0x10 // Mode fault flag
#define SPSR_WCOL 0x40 // Write collision
#define SPSR_SPIF 0x80 // SPI transfer complete
#define SPI_SPDR 2 // Data I/O Register
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type LK201 = &device_creator<lk201_device>;
ROM_START( lk201 )
ROM_REGION(0x2000, LK201_CPU_TAG, 0)
ROM_LOAD( "23-001s9-00.bin", 0x0000, 0x2000, CRC(be293c51) SHA1(a11ae004d2d6055d7279da3560c3e56610a19fdb) )
ROM_END
//-------------------------------------------------
// ADDRESS_MAP
//-------------------------------------------------
static ADDRESS_MAP_START( lk201_map, AS_PROGRAM, 8, lk201_device )
AM_RANGE(0x0000, 0x0002) AM_READWRITE(ports_r, ports_w)
AM_RANGE(0x0004, 0x0006) AM_READWRITE(ddr_r, ddr_w)
AM_RANGE(0x000a, 0x000c) AM_READWRITE(spi_r, spi_w)
AM_RANGE(0x000d, 0x0011) AM_READWRITE(sci_r, sci_w)
AM_RANGE(0x0050, 0x00ff) AM_RAM
AM_RANGE(0x0100, 0x1fff) AM_ROM AM_REGION(LK201_CPU_TAG, 0x100)
ADDRESS_MAP_END
//-------------------------------------------------
// MACHINE_CONFIG
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( lk201 )
MCFG_CPU_ADD(LK201_CPU_TAG, M68HC05EG, 2000000) // actually 68HC05C4
MCFG_CPU_PROGRAM_MAP(lk201_map)
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(LK201_SPK_TAG, BEEP, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor lk201_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( lk201 );
}
const rom_entry *lk201_device::device_rom_region() const
{
return ROM_NAME( lk201 );
}
//-------------------------------------------------
// INPUT_PORTS( lk201 )
//-------------------------------------------------
/* [Foreign language caps] are referenced in software titles. Please leave them in.
DEC omitted terms like 'Interrupt', 'Break' and 'Data / Talk' on some keyboards,
so Fn numbers are definitely important for end users.
=== CURRENT SPECIAL KEYS ===
[PC-AT] ......=> [DEC]
LEFT CONTROL..=> Control
LEFT ALT .....=> Compose
RIGHT ALT ....=> Help
RIGHT CONTROL => Do
==============================================================================================
=== (PC - AT ) keys above cursor block ===
* KEYCODE_INSERT * KEYCODE_HOME * KEYCODE_PGUP
* KEYCODE_DEL... * KEYCODE_END * KEYCODE_PGDN
=== (DEC LK 201 layout above cursor) ===
* Find ........| Insert Here | Remove
* Select.........| Prev ..... | Next
==============================================================================================
=== CURRENT NUM PAD ASSIGNMENTS ===
[PF1] to [PF4] are mapped to NUM LOCK, SLASH etc. (=> 4 keys on top on num pad).
Num pad '+' gives ',' on the DEC.
',' translates to '.' (=> more or less the layout of model 'LK-201-AG')
Switch between 'full' and 'partial keyboard emulation' with Scroll Lock.
*/
INPUT_PORTS_START( lk201 )
PORT_START("KBD0")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
PORT_START("KBD1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Compose") PORT_CODE(KEYCODE_LALT)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL)
PORT_START("KBD2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE(KEYCODE_Z)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_Q)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tilde") PORT_CODE(KEYCODE_TILDE) // E00
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD3")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("<") PORT_CODE(KEYCODE_BACKSLASH2) // B00
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Hold Screen (F1)") PORT_CODE(KEYCODE_F1)
PORT_START("KBD4")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Setup (F3)") PORT_CODE(KEYCODE_F3)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Print Screen (F2)") PORT_CODE(KEYCODE_F2)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD5")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break (F5)") PORT_CODE(KEYCODE_F5)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Data / Talk (F4)") PORT_CODE(KEYCODE_F4)
PORT_START("KBD6")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Interrupt (F6) [X]") PORT_CODE(KEYCODE_F6)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD7")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Resume (F7) [Fortsetzen]") PORT_CODE(KEYCODE_F7)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Cancel (F8) [Zuruecknehmen]") PORT_CODE(KEYCODE_F8)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD8")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_M)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE(KEYCODE_J)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Exit (F10) [Fertig]") PORT_CODE(KEYCODE_F10)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Main Screen (F9) [Hauptbild]") PORT_CODE(KEYCODE_F9)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD9")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ESC (F11)") PORT_CODE(KEYCODE_F11)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD10")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(".") PORT_CODE(KEYCODE_STOP)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE(KEYCODE_O)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LF (F13)") PORT_CODE(KEYCODE_PRTSCR)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BS (F12)") PORT_CODE(KEYCODE_F12)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("KBD11")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(";") PORT_CODE(KEYCODE_COLON)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) // FIXME - duplicate "Return"
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Delete <X") PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Additional Options (F14) [Zusaetze]") PORT_CODE(KEYCODE_PAUSE)
PORT_START("KBD12")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Select") PORT_CODE(KEYCODE_DEL)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Help (F15)") PORT_CODE(KEYCODE_RALT)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Find") PORT_CODE(KEYCODE_INSERT)
PORT_START("KBD13")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("'") PORT_CODE(KEYCODE_QUOTE)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Previous [^]") PORT_CODE(KEYCODE_END)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Do (F16) [Ausfuehren]") PORT_CODE(KEYCODE_RCONTROL)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Insert Here") PORT_CODE(KEYCODE_HOME)
PORT_START("KBD14")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 0") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 1") PORT_CODE(KEYCODE_1_PAD)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 4") PORT_CODE(KEYCODE_4_PAD)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 7") PORT_CODE(KEYCODE_7_PAD)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Up") PORT_CODE(KEYCODE_UP)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Remove") PORT_CODE(KEYCODE_PGUP)
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Next [v]") PORT_CODE(KEYCODE_PGDN)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_NUMLOCK)
PORT_START("KBD15")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // FIXME - duplicate "Num 0"
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 2") PORT_CODE(KEYCODE_2_PAD)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 5") PORT_CODE(KEYCODE_5_PAD)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 8") PORT_CODE(KEYCODE_8_PAD)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_SLASH_PAD)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F17")
PORT_START("KBD16")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num .") PORT_CODE(KEYCODE_DEL_PAD) // "." on num.pad
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 3") PORT_CODE(KEYCODE_3_PAD)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 6") PORT_CODE(KEYCODE_6_PAD)
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 9") PORT_CODE(KEYCODE_9_PAD)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_ASTERISK)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F18")
PORT_START("KBD17")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER_PAD)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num ,") PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num -") // duplicate...see KBD13
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_MINUS_PAD)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F20")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F19")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor lk201_device::device_input_ports() const
{
return INPUT_PORTS_NAME( lk201 );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// lk201_device - constructor
//-------------------------------------------------
lk201_device::lk201_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, LK201, "DEC LK201 keyboard", tag, owner, clock, "lk201", __FILE__),
device_serial_interface(mconfig, *this),
m_maincpu(*this, LK201_CPU_TAG),
m_speaker(*this, LK201_SPK_TAG),
m_kbd0(*this, "KBD0"),
m_kbd1(*this, "KBD1"),
m_kbd2(*this, "KBD2"),
m_kbd3(*this, "KBD3"),
m_kbd4(*this, "KBD4"),
m_kbd5(*this, "KBD5"),
m_kbd6(*this, "KBD6"),
m_kbd7(*this, "KBD7"),
m_kbd8(*this, "KBD8"),
m_kbd9(*this, "KBD9"),
m_kbd10(*this, "KBD10"),
m_kbd11(*this, "KBD11"),
m_kbd12(*this, "KBD12"),
m_kbd13(*this, "KBD13"),
m_kbd14(*this, "KBD14"),
m_kbd15(*this, "KBD15"),
m_kbd16(*this, "KBD16"),
m_kbd17(*this, "KBD17"),
m_tx_handler(*this)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void lk201_device::device_start()
{
m_tx_handler.resolve_safe();
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void lk201_device::device_reset()
{
set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1);
set_rate(4800);
sci_status = (SCSR_TC | SCSR_TDRE);
spi_status = 0;
spi_data = 0;
kbd_data = 0;
led_data = 0;
transmit_register_reset();
receive_register_reset();
}
void lk201_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
device_serial_interface::device_timer(timer, id, param, ptr);
}
void lk201_device::rcv_complete()
{
sci_status |= SCSR_RDRF;
update_interrupts();
receive_register_extract();
// printf("lk201 got %02x\n", get_received_char());
}
void lk201_device::tra_complete()
{
sci_status |= (SCSR_TC | SCSR_TDRE);
update_interrupts();
}
void lk201_device::tra_callback()
{
m_tx_handler(transmit_register_get_data_bit());
}
void lk201_device::update_interrupts()
{
if (sci_ctl2 & sci_status & SCSR_INT)
{
m_maincpu->set_input_line(M68HC05EG_INT_CPI, 1);
}
else
{
m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0);
}
}
READ8_MEMBER( lk201_device::ddr_r )
{
return ddrs[offset];
}
WRITE8_MEMBER( lk201_device::ddr_w )
{
// printf("%02x to PORT %c DDR (PC=%x)\n", data, 'A' + offset, m_maincpu->pc());
send_port(space, offset, ports[offset] & data);
ddrs[offset] = data;
}
READ8_MEMBER( lk201_device::ports_r )
{
UINT8 incoming = 0;
// apply data direction registers
incoming &= (ddrs[offset] ^ 0xff);
// add in ddr-masked version of port writes
incoming |= (ports[offset] & ddrs[offset]);
// printf("PORT %c read = %02x (DDR = %02x latch = %02x) (PC=%x)\n", 'A' + offset, ports[offset], ddrs[offset], ports[offset], m_maincpu->pc());
return incoming;
}
WRITE8_MEMBER( lk201_device::ports_w )
{
send_port(space, offset, data);
ports[offset] = data;
}
void lk201_device::send_port(address_space &space, UINT8 offset, UINT8 data)
{
// printf("PORT %c write %02x (DDR = %02x) (PC=%x)\n", 'A' + offset, data, ddrs[offset], m_maincpu->pc());
switch (offset)
{
case 0: // port A
break;
case 1: // port B
break;
case 2: // port C
// Check for keyboard read strobe
if (((data & 0x40) == 0) && (ports[offset] & 0x40))
{
if (ports[0] & 0x1) kbd_data = m_kbd0->read();
if (ports[0] & 0x2) kbd_data = m_kbd1->read();
if (ports[0] & 0x4) kbd_data = m_kbd2->read();
if (ports[0] & 0x8) kbd_data = m_kbd3->read();
if (ports[0] & 0x10) kbd_data = m_kbd4->read();
if (ports[0] & 0x20) kbd_data = m_kbd5->read();
if (ports[0] & 0x40) kbd_data = m_kbd6->read();
if (ports[0] & 0x80) kbd_data = m_kbd7->read();
if (ports[1] & 0x1) kbd_data = m_kbd8->read();
if (ports[1] & 0x2) kbd_data = m_kbd9->read();
if (ports[1] & 0x4) kbd_data = m_kbd10->read();
if (ports[1] & 0x8) kbd_data = m_kbd11->read();
if (ports[1] & 0x10) kbd_data = m_kbd12->read();
if (ports[1] & 0x20) kbd_data = m_kbd13->read();
if (ports[1] & 0x40) kbd_data = m_kbd14->read();
if (ports[1] & 0x80) kbd_data = m_kbd15->read();
if (ports[2] & 0x1) kbd_data = m_kbd16->read();
if (ports[2] & 0x2) kbd_data = m_kbd17->read();
}
// Check for LED update strobe
if (((data & 0x80) == 0) && (ports[offset] & 0x80))
{
// Lower nibble contains the LED values (1 = on, 0 = off)
output_set_value("led_wait" , (led_data & 0x1) == 0);
output_set_value("led_compose", (led_data & 0x2) == 0);
output_set_value("led_hold" , (led_data & 0x4) == 0);
output_set_value("led_lock" , (led_data & 0x8) == 0);
}
break;
}
}
READ8_MEMBER( lk201_device::sci_r )
{
UINT8 incoming = 0;
switch (offset)
{
case SCI_BAUD: // Baud rate
break;
case SCI_SCCR1: // Control 1
break;
case SCI_SCCR2: // Control 2
incoming = sci_ctl2;
break;
case SCI_SCSR: // Status
incoming = sci_status;
break;
case SCI_SCDR: // Data
incoming = get_received_char();
sci_status &= ~SCSR_RDRF;
m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0);
update_interrupts();
break;
}
// printf("SCI read @ %x = %02x (PC=%x)\n", offset, incoming, m_maincpu->pc());
return incoming;
}
WRITE8_MEMBER( lk201_device::sci_w )
{
switch (offset)
{
case SCI_BAUD: // Baud rate
break;
case SCI_SCCR1: // Control 1
break;
case SCI_SCCR2: // Control 2
sci_ctl2 = data;
update_interrupts();
break;
case SCI_SCSR: // Status
break;
case SCI_SCDR: // Data
// printf("LK201: sending %02x\n", data);
transmit_register_setup(data);
sci_status &= ~(SCSR_TC | SCSR_TDRE);
m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0);
update_interrupts();
break;
}
// printf("SCI %02x to %x (PC=%x)\n", data, offset, m_maincpu->pc());
}
READ8_MEMBER( lk201_device::spi_r )
{
UINT8 incoming = 0;
switch (offset)
{
case SPI_SPCR: // Control
break;
case SPI_SPSR: // Status
incoming = spi_status;
spi_status &= ~SPSR_SPIF;
break;
case SPI_SPDR: // Data I/O
incoming = spi_data;
break;
}
// printf("SPI read @ %x = %02x (PC=%x)\n", offset, incoming, m_maincpu->pc());
return incoming;
}
WRITE8_MEMBER( lk201_device::spi_w )
{
switch (offset)
{
case SPI_SPCR: // Control
break;
case SPI_SPSR: // Status (read only)
break;
case SPI_SPDR: // Data I/O
spi_data = data;
// Transfer only allowed if transfer complete flag has been acknowleged
if ((spi_status & SPSR_SPIF) == 0)
{
// Data out
led_data = data;
// Data in
spi_data = kbd_data;
// Indicate transfer complete
spi_status |= SPSR_SPIF;
}
break;
}
// printf("SPI %02x to %x (PC=%x)\n", data, offset, m_maincpu->pc());
}